EMI SUPPRESSION FILTERS

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1 This is the PDF file of catalog No.CE. No.CE.pdf.. OnBoard Type (DC) EMI Suppression Filter (EMIFIL ) EMI SUPPESSION FILTES Murata EMC Solutions : Murata Manufacturing Co., Ltd. Cat.No.CE

2 This is the PDF file of catalog No.CE. No.CE.pdf.. MUATA entered the suppression filter field at an early stage in response to serious problems stemming from electromagnetic interference between electronic equipment. These pioneering efforts in the filter field resulted in the development and worldwide marketing of the EMI Suppression Filter (EMIFIL ). In 979, MUATA successfully developed an onboard type EMIFIL, thereby realizing a solution to PC board noise suppression. In 98, the EMIFIL class of onboard filters ware further developed to produce a chipbased EMI suppression filter, thus substantially improving noise suppression in compact electronic equipment. Based on more than thirty years of ceramic dielectric and ferrite technology experience, MUATA's full range of highperformance EMIFIL serve to overcome and control all types of electronicequipment noise problems. Further, MUATA's various noise suppression circuits, designed for the diversified needs of the electronic industry, offer great advantages in the pursuit of noisefree equipment, etc. Currently, MUATA is completing a system for the analysis and solution of noise problems. For the finest in noise suppression components, boards, and related equipment contact the nearest MUATA sales office.!about OPEATING CONDITION Noise suppression levels resulting from MUATA's EMI suppression filters (EMIFIL ) may vary, depending on the circuits and ICs used, type of noise, mounting pattern, lead wire length, mounting location, and other operating conditions. Be sure to check and confirm, in advance, the noise suppression effect of each filter, in actual circuit, etc., before applying the filter in a commercialpurpose equipment design. EMIFIL for both DC and AC power supplies, and thrutype EMI suppression filters for highfrequency equipment (thrutype EMIFIL ) are available. For details, contact the nearest MUATA sales office.

3 This is the PDF file of catalog No.CE. No.CE.pdf.. INDE Introduction of EMI Suppression Filter (EMIFIL ) " Products Guide of EMI Suppression Filter (EMIFIL ) Chip Varistor for DC line " Selection Guide of CHIP EMIFIL " Typical Application of EMI Suppression Filter (EMIFIL ) for DC line 78 "Outlines of EMI Suppression Filter (EMIFIL ) for DC line 9 Chip EMI Suppression Filter (EMIFIL )/Chip Varistor " Chip Ferrite Bead BLM//// Series " Chip Ferrite Beads for GHz ange Noise Suppression BLMH Series " Chip Ferrite Bead Array BLA Series 78 " Chip Solid EMIFIL NFM//// Series " Chip EMIFIL Array NFA8//D Series " Chip EMIFIL Array NFAG Series " Chip EMIFIL NFM89 Series 7 " Chip EMIFIL for Signal line NFM Series " Chip Solid EMIFIL NFMP/P/P/P Series Lead Type EMI Suppression Filter (EMIFIL ) " Ferrite Bead Inductor BL// Series 7879 " Disk Type DS/DS/DSH Series 88 " EMIGUAD VF/DSS7/7 Series 89 " EMIFIL For Automatic Insertion 99 " Ttype Chip EMIFIL NFM//H Series 7 " Chip Solid EMIGUAD VFM Series 89 " Chip Common Mode Choke Coil PLPS Series " Chip Common Mode Choke Coil PLMK " Chip Common Mode Choke Coil PLWS Series " Chip Common Mode Choke Coil PLMH/S Series 7 " Chip Varistor VCM/ Series 89 " Notice of Chip EMIFIL /Chip Varistor 77 " Tape Dimensions of Chip EMIFIL /Chip Varistor 77 " Block Type BNP/BN Series 97 " DC Common Mode Choke Coil PLT/PLT9H Series " Notice of Lead Type EMIFIL EMC Absorber " EA// Series EMI Suppression Filter (EMIFIL ) Design Kit " EMIFIL Design Kits EKE/D 7 " Chip EMIFIL Design Kits EKEMUB/UC/UA/UA 89 Explanation " Outlines of Major Noise egulation Standards " Noise Suppression Principles by DC EMIFIL " Murata EMI Filter Section Simulator 7

4 This is the PDF file of catalog No.CE. No.CE.pdf.. Products Guide of EMI Suppression Filter (EMIFIL )/Chip Varistor for DC line!poducts GUIDE Inductor Type Type For Digital Interface Series BLM Dimensions (mm) EIA Code..8 Effective Frequency ange khz khz MHz MHzMHzGHz GHz Page BLM.. 8 Standard Type BLMA.. BLMA BLMA BLMA.. BLMA.. 8 BLAA ( circuits array).. For High Speed Signal BLMB.. BLMB..8 BLMB BLMB.. BLAB ( circuits array).. For Large Current BLMP..8 BLMP BLMP For GHz ange Noise Suppression BLMP BLMHA BLMHB

5 This is the PDF file of catalog No.CE. No.CE.pdf.. Products Guide of EMI Suppression Filter (EMIFIL )/Chip Varistor for DC line Type Capacitor Type Standard Type Series NFM Dimensions (mm) EIA Code.. 8 Effective Frequency ange khz khz MHz MHzMHzGHz GHz Page NFM/.. NFM/.. 8 NFA8 (8 circuits array).. 8 NFA ( circuits array).. For Signal Line NFAD ( circuits array) NFM NFAG ( circuits array).. NFM.. For Large Current NFMP.. 8 NFMP NFMP NFMP T Filter for Large Current NFM NFM (H) With Varistor Function VFM Common Mode Choke Coil PLPS.. PLMK.. PLWS.. Chip Varistor PLMS (PLMH) VCM VCM.. (.)..8.. ()

6 This is the PDF file of catalog No.CE. No.CE.pdf.. Products Guide of EMI Suppression Filter (EMIFIL )/Chip Varistor for DC line Type Series Dimensions (mm) EIA Code Effective Frequency ange khz khz MHz MHzMHzGHz GHz Page Disc Type EMIFIL BL// DS/ (H) 78 8 EMIGUAD VF DSS7/7 8 9 Block Type EMIFIL BNP/BN 97 Common Mode Choke Coil PLT/PLT9H EMC Absorber EA//

7 This is the PDF file of catalog No.CE. No.CE.pdf.. Selection Guide of CHIP EMIFIL Power Supply Line DC Power Line Application General Start Type of Circuit Good Ground Available Signal Line High Speed Signal Line Chip Varistor for Surge Protection IC's Power Line No Yes No Yes Signal Frequency is mixed with Noise 8 VCM VCM Chip Ferrite Bead Chip Ferrite Bead Chip Ferrite Bead terminal Capacitor EMI Filter for High Speed Signal Line CommonMode ChokeCoil 8 8 BLMP AA terminal Capacitor NFMP A NFM A Ttype EMI Filter CommonMode ChokeCoil / BLMP.AA terminal Capacitor 8 NFMP AA 7 NFM A BLMA//HA 8 BLMA BLMA/ BLMA 8 Arraytype CommonMode ChokeCoil / BLMA BLAA Ω NFM NFM/ pf Arraytype NFA8//D Distributed Constant type 8 NFM89 Ω pf Arraytype NFAG.8 Ω pf NFM MHzMHz Distributed Constant type 8 NFM89 Ω pf Arraytype NFAG.8 Ω pf Chip Ferrite Bead for High Speed Signal Line BLMB MHzMHz PLPS Ω PLMK 8 Ω PLWS 9 Ω / PLM 9 Ω PLM.AA PLM 9 Ω PLMK 8 Ω Ttype EMI Filter NFM pf 7 NFM 7pF BLMHB MHzMHz 8 BLMB MHzMHz Arraytype BLAB MHzMHz Large Current EMI Filter Standard EMI Filter EMI Filter for High speed Signal Line Impedance is typical value at MHz

8 This is the PDF file of catalog No.CE. No.CE.pdf.. Typical Application of EMI Suppression Filter (EMIFIL ) for DC line The main applications of EMIFIL for DC lines are as follows: Descriptions of these applications are based on standard digital PC board. Typical applications of EMIFIL in PC boards can be divided into four types:. Elimination of non desirable harmonics in high speed signal lines High speed clock signals, for example, contain higher level harmonic components, which can cause noise. These higher harmonics are reduced to within acceptable range by EMIFIL. For relatively low noise levels, chip ferrite bead inductors and chip solid EMIFIL (terminal capacitors) are used; for high level noise applications, signal line EMIFIL are used.. Elimination of noise in DC power supplies DC power supplies utilize high frequency current in converting AC power to DC power, etc., and these currents may cause noise. Since DC power supplies are designed to supply only DC current, the current flow is larger than that on the signal lines, which can cause DC resistance. Therefore, in such situations, EMIFIL having a wider noise suppression band and larger current capacity are used. For relatively low noise suppression, chip ferrite bead inductors and chip solid EMIFIL (terminal capacitors) are used; blocktype, DC power supply EMIFIL are used to suppress higher level noise.. Noise suppression in I/O cables Some I/O cables, when connected to PC boards, act as an excellent antenna, which can radiate noise and induce noise through coupling. To prevent this, EMIFIL are used at the connection point between the I/O cable and PC board to prevent noise from being introduced into the board. For relatively low level noise suppression, chip ferrite bead inductors are used; for high noise suppression, chip solid EMIFIL (terminal capacitors) are used. At high speed signal line connection points, signal line EMIFIL are used.. High voltage surge countermeasures EMIGUAD filters, which also have a surge absorbing function (using a varistor), are effective in preventing both higher harmonic noise and high voltage surges (such as electrostatic discharges) from interfering with PC board operation. As a countermeasure against noise radiation stemming from highspeed bus lines. For the prevention of cable noise radiation, including radiation from highspeed I/O lines. For the prevention of noise radiation and coupling from telephone lines. For the prevention of noise radiation and coupling from general I/O cables. For the prevention of noise stemming from IC power lines. For the prevention of noise coupling and radiation from DC power supply cables. 7 For the prevention of noise radiation stemming from highspeed signals on PC boards. 8 For the prevention of noise coupling from IC ground terminals. 9 For the prevention of noise radiation and coupling from highdensity internal wiring. For the prevention of noise radiation and coupling from internal assembly wiring. For the prevention of highvoltage surge coupling from I/O cables, and associated noise radiation. 7

9 This is the PDF file of catalog No.CE. No.CE.pdf.. Typical Application of EMI Suppression Filter (EMIFIL ) for DC line EMI Countermeasure Suitable EMIFIL Page As a countermeasure against noise radiation stemming from highspeed bus lines. Highdensity mounting EMIFIL are used in bus line circuitry designs. Chip Ferrite Bead... Chip Ferrite Bead Array Chip EMIFIL Array... For the prevention of cable noise radiation, including radiation from highspeed I/O lines. Highperformance EMIFIL are also used in signal applications. Chip EMIFIL for Signal Line... Common Mode Choke Coil... 7 For the prevention of noise radiation and coupling from telephone lines. Common Mode Choke Coil used. Common Mode Choke Coil... 7 For the prevention of noise radiation and coupling from general I/O cables. EMIFIL are used in each I/O cable/pc Board connection point. Chip Solid EMIFIL... Disk Type EMIFIL For the prevention of noise stemming from IC power lines. EMIFIL are inserted into the IC power circuitry. Chip EMIFIL for Power Line... Ttype Chip EMIFIL... 7 Ferrite Bead Inductor Disk Type EMIFIL For the prevention of noise coupling and radiation from DC power supply cables. DC power supply wideband EMIFIL are used in the power supply circuitry section. Common Mode Choke Coil... Ttype Chip EMIFIL... 7 Block Type Disk Type EMIFIL For the prevention of noise radiation stemming from highspeed signals on PC boards. Highspeed signal EMIFIL are used in the appropriate circuit. Chip EMIFIL for Signal Line... 8 For the prevention of noise coupling from IC ground terminals. An inductor is inserted into the ground terminal. Chip Ferrite Bead... Ferrite Bead Inductor For the prevention of noise radiation and coupling from highdensity internal wiring. Highdensity EMIFIL are used in the circuits connected to highdensity wiring. Chip EMIFIL Array... For the prevention of noise radiation and coupling from internal assembly wiring. EMIFIL are inserted into circuits connected to the wiring. Chip Solid EMIFIL... Disk Type EMIFIL For the prevention of highvoltage surge coupling from I/O cables, and associated noise radiation. EMIGUAD filters or chip varistor are inserted between the board and the cable connecting point. Chip Varistor Chip Solid EMIGUAD EMIGUAD

10 This is the PDF file of catalog No.CE. No.CE.pdf.. Outlines of EMI Suppression Filter (EMIFIL ) for DC line Chip Ferrite Bead/Ferrite Bead Inductor Chip Solid EMIFIL /TType Chip EMIFIL /Disk Type EMIFIL Chip Ferrite Bead...P.9 Chip Solid EMIFIL...P. BLM BLM BLM NFM NFMP NFA BLA BLM BLM NFM NFM NFA8 NFAD Ferrite Bead Inductor...P.7879 " Inductor type EMI suppression filters are effective for frequencies ranging from a few MHz to a few GHz. Inductor type filters are small,lightweight, and widely used as a low noise countermeasure, as well as a universal noise suppression component. "The inductor type EMIFIL produce a micro inductance in the low frequency range. At high frequencies, however, the resistive component of the inductor produces the primary impedance. When inserted in series in the noise producing circuit, the resistive impedance of the inductor prevents noise propagation.!impedancefequency CHAACTEISTICS (TYPICAL) Equivalent Circuit (f) Ttype Chip EMIFIL...P.7 NFM " This capacitor type EMI suppression filter has a large noise suppression effect at frequencies ranging from a few MHz to hundreds of MHz. This type of filter is used widely as a universal, high performance EMI suppression component. "The chip solid EMIFIL incorporates a builtin threeterminal capacitor, eliminating the lead wire and thereby increasing the highfrequency performance characteristic. "The Ttype chip EMIFIL is a chip EMI suppression filter with a builtin feedthru capacitor. The use of ferrite beads on input and output terminals minimizes resonance with surrounding circuits. " Whatever the situation, terminal construction reduces residual inductance, thereby substantially improving noise suppression at frequencies over MHz.!COMPAISON OF INSETION LOSS CHAACTEISTICS NFM/H Disk Type EMIFIL...P.88 8 Impedance [Ω] Insertion Loss [db] C PF Terminal Capacitor (Builtin Bead) (DSSHBM) Terminal Capacitor Terminal Capacitor (DSHBM) Ideal Characteristrc of Capacitor Frequency [MHz] 8 Frequency [MHz] : eal Part (esistive Portion) : Imaginary Part (Inductive Portion) A terminal capacitor has a high self resonance frequency than general terminal type and exhibits effective noise suppression at high frequency 9

11 This is the PDF file of catalog No.CE. No.CE.pdf.. Outlines of EMI Suppression Filter (EMIFIL ) for DC line EMIFIL for Signal Line Common Mode Choke Coil Chip EMIFIL for Signal Line... P., P. Chip Common Mode Choke Coil...P.7 NFM BLMB/HB BLMB Chip EMIFIL with Waveform Distortion Suppressing Function...P. PLPS PLMK PLWS PLM Common Mode Choke Coil...P. NFM89 NFMG "Highspeed signal application EMIFIL are high performance EMI suppression filters which increase the slope of insertion loss frequency characteristic curves (shape factor), thereby improving noise and signal separation. These are used for high speed signal applications in which noise and signal frequency approach the same value. To avoid the elimination of both the noise and specific signal components, terminal capacitors and other components are applied. An NFM with a builtin capacitor and an inductor type BLMB are available. BLMHB has additional performance for suppressing GHz range noise after cut off frequency. "The EMIFIL with waveform distortion suppressing function suppresses waveform distortion caused by the resonance of digital ICs and surrounding circuits.!compaison OF INSETION LOSS CHAACTEISTICS Insertion Loss [db] Conventional Type 8 Frequency [MHz] NFM " These choke coils reduce common mode noise, which causes problems on balanced transmission lines, and are effective against common mode noise in the several MHz to several MHz frequency range. They are ideally suited for use on DC power supply lines and interface cables. "There are two types of chip common mode choke coils: the highperformance wound wire PLM. They offer particular characteristics to match the specific application. Construction of Common Mode Choke Coil Current of Common Mode (Noise) Current of Differential Mode (Signal) Equivalent Circuit!IMPEDANCEFEQUENCY CHAACTEISTICS (PLWS) PLWSSQ Common mode PLWSSQ PLWSSQ PLWSSQ PLWSSQ PLWS9SQ S S9. S S S S Differential mode "Waveform change when filter is inserted " Conventional Type " EMIFIL for Signal Line NFM series

12 This is the PDF file of catalog No.CE. No.CE.pdf.. Outlines of EMI Suppression Filter (EMIFIL ) for DC line Chip Varistor Chip Varistor...P.89 VCM VCM " Chip varistor is surge absorbing components by inserting surge entrance line and ground line. ESD (Electro Static Discharge) breaks IC inside of equipment. Chip varistor suppress surge voltage and results to protect circuits. " Chip varistor has twice IC protection performance as zener diode or diode.!suge POTECTION PEFOMANCE Electrostatic discharge voltage during breakdown Without a surge absorbing device Under kv Chip Varistor Chip Varistor VCM VCM.mm.mm.8mm.mm kv kv.7 to.mm kv ener diode. to.mm kv 9kV.mm Diode.mm 7kV IEC ESD Simulator Surge Test Circuit pf Ω Surge absorbing device The VCC terminal is opened 7LS

13 This is the PDF file of catalog No.CE. No.CE.pdf.. Outlines of EMI Suppression Filter (EMIFIL ) for DC line EMIGUAD Block Type EMIFIL Chip Solid EMIGUAD...P.89 Block Type EMIFIL...P.97 VFM EMIGUAD...P.89 BNP BN VF DSS7 DSS7 "EMIGUAD eliminates both surge noises and EMI noises due to its dielectric varistor material. " Effective when high frequency noise and high voltage surge suppression are required, and also in situations when surging starts at extremely high speeds. This type of surging cannot be eliminated with general type varistors. "VFM is chip type of EMIGUAD. Construction of EMIGUAD (DSS7) "Block type EMIFIL are resin encased, builtin, high performance EMI suppression filters, which use a feedthru capacitor having excellent high frequency characteristics. "Used when the noise frequency is high, or when extreme countermeasures are required. " The BNP filter series features high performance filters, which are used to suppress noise with frequencies greater than several megahertz in signal circuits. With a current capacity of up to A, however, this filter can also be used in DC power circuits (available with or circuits per block). "The high performance EMIFIL BN series exhibits significant noise suppression effects over a wide frequency band (extending from khz to GHz) in DC power lines. Equivalent Circuit (BNP Series) : Earth Terminal,, Varistor Electrode Ferrite Lead Equivalent Circuit (BN Series) B L L C CB L C PSG CG!SUGE ABSOPTION EFFECT OF EMIGUAD kv V /div (No filter) EMIGUAD is used to suppress the surge. (DSS7) kv V /div PSG: Power Supply Ground CG: Circuit Ground CB: Circuit + B!INSETION LOSS CHAACTEISTICS (BN SEIES) kv ns ns/div ns terminal capacitor is used to suppress the surge. kv ns ns/div ns kv V /div kv ns ns/div ns Insertion Loss [db] 8 BN (BN) BN... Frequency [MHz]

14 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Chip Ferrite Bead BLM Series EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Essential for Noise Suppression in High Speed Signal Lines and DC Power Lines The chip ferrite bead BLM series comprises ferrite bead inductors in the shape of a chip. This inductor generates a high impedance which at high frequencies mainly consists of a resistance element. The BLM series is effective in circuits without stable ground lines because the BLM series does not need a connection to ground. Chip sizes of..,..8,..,.. and..mm are cataloged. (The BLA series of array type chip ferrite bead is also cataloged.) The nickel barrier structure of the external electrodes provides excellent solder heat resistance. Both flow and reflow soldering methods can be employed.!featues The BLM series comprises, the series (for digital interface), the A series (for standard), the B series (for high speed signal), and the P series (for large current).. BLM seriesfor Digital Interface The BLM series can be used in Digital Interface. esistance of BLM series especially grows in the lower frequency range. Therefore BLM series is less effect for digital signal waveform at low frequency range and can suppress the ringing.. BLMA seriesfor Standard The BLMA series generates an impedance from the relatively low frequencies. Therefore the BLMA series is effective in noise suppression in the wide frequency range (MHzSeveral hundred MHz).. BLMB seriesfor High Speed Signal The BLMB series can minimize attenuation of the signal waveform due to its sharp impedance characteristics. Various impedances are available to match signal frequency. BLMP seriesfor Large Current The BLMP series can be used in high current circuits due to its low DC resistance. It can match power lines to a maximum of A DC (BLMP).!PAT NUMBEING (Please specify the part number when ordering.) (Ex.) BLMA S PT qtype wtypical Impedance at MHz : Ω eother Characteristics rpackaging Code PT : Taped (φ8mm reel) PT : Taped (φmm reel) PB : Bulk package!dimensions (esistance element becomes dominant at high frequencies.)

15 This is the PDF file of catalog No.CE. No.CE.pdf..!SELECTION GUIDE "BLMA seriesstandard. BLM seriesfor Digital Interface. BLMP seriesfor Large Current at MHz Ω Ω Ω 7Ω Ω BLM Ω Ω Ω Ω (.A) Ω Ω 7Ω Ω Ω Ω Ω 8 BLM Ω (.A) Ω (A) BLM Ω 7Ω Ω Ω (.A) Ω (A) Ω Ω Ω (A) Ω (A) Ω (A) Size BLM Ω (.A) 9Ω (A) Ω (A) 7Ω Ω (A) Ω (A) Ω BLM 7Ω (A) 8Ω (A) Ω 8Ω (A) 7Ω (A) Ω (A) Ω Ω Ω Ω Ω BLA "BLMB seriesfor High Speed Signal at MHz Ω Ω Ω Ω Ω 7Ω Ω Ω 8Ω Ω Ω Ω 7Ω Ω Ω Ω Ω Ω Ω 7Ω Ω 7Ω 7Ω Ω Ω 8Ω Ω Ω 7Ω Ω 7Ω Ω Ω Ω Ω Ω Ω 7Ω Ω Ω Ω Ω 7Ω Ω Ω Ω BLM Ω Ω 8 BLM Ω BLM BLM BLA Size!DIFFEENCE BETWEEN A SEIES, B SEIES AND SEIES The BLMB series has sharp impedance characteristics and it does not affect the signal frequency. The BLM series has resistance especially growing in the lower frequency range. Therefore it can suppress the ringing effectively.!deating When the BLMP series is for Largecurrent used in operating temperatures exceeding + 8D, derating of current is necessary. Please apply the derating curve shown below according to the operating temperature. BLMPSG BLMPSG BLMPS 8 BLMBS BLMS BLMAS Derated Current (A) BLMPSG/S BLMPSG/S BLMP8SG/7S BLMP9SG, BLMP7SG BLMPSG BLMPSG, BLMPSG, BLMPSG BLMP8S 8 Operating Temperature (D)

16 This is the PDF file of catalog No.CE. No.CE.pdf..!WAVEFOM DISTOTION SUPPESSING PEFOMANCE OF BLM SEIES Initial (no filter) "Signal waveform (nsec/div, V/Div) (nsec/div, V/Div) "Spectrum 8 8 Level [db µv] 7 7 Frequency [MHz] inging is caused on the signal waveform Such ringing contains several hundred MHz harmonic components and generates noise. esister (7Ω) is used "Signal waveform (nsec/div, V/Div) (nsec/div, V/Div) "Spectrum Level [db µv] Frequency [MHz] Comparing initial waveform, ringing is suppresed a little. However there still remains high level waveform distortion. BLMSK (Ω at MHz) is used "Signal waveform (nsec/div, V/Div) (nsec/div, V/Div) "Spectrum 8 8 Level [db µv] 7 7 Frequency [MHz] BLM has excellent performance for noise suppression and waveform distortion suppression. BLM suppresses drastically not only spectrum level in more than MHz range but waveform distortion.!measuing CICUITS MHz AC Filter Patterncm Measuring Point AC

17 This is the PDF file of catalog No.CE. No.CE.pdf..!BLM SEIES Type Size (mm) Part Number Impedance (Ω) at MHz ated Current (ma) BLMSK ±%..8 BLMSK BLM7SK BLMSK ±% 7±% ±% BLM Series BLMSK ±% For Digital Interface BLMSK ±% BLMSK ±%.. BLM7SK 7±% BLMSK ±% BLMSK ±% BLMAS (Typ.).. BLMA7S BLMAS BLMASG BLMASG BLMASG 7 (Typ.) (Typ.) ±% ±% ±% BLMAS ±% BLMASG ±%..8 BLMAS BLMASG ±% ±% BLMA7SG 7±% BLMAS ±% BLMAS ±% BLMA Series For Standard BLMAF BLMASG BLMASG ±% ±% ±% BLMASG ±%.. BLMAS BLMA7SG ±% 7±% BLMAF BLMAS ±%.. BLMAF BLMAS BLMAS BLMA7S BLMAS ±% ±% 7±% ±%.. BLMA8S BLMAS 8±% ±% BLMB7SB 7±% BLMBSB ±%.. BLMBSB BLMBSD BLMBSD BLMBSD ±% ±% ±% ±% BLMBSA BLMBSB ±% 7 BLMB Series For High Speed Signal (Sharp impedance characteristic) BLMBSA BLMBSB BLMBSA BLMBSB ±% ±%..8 BLMB7SA BLMB7SB BLMBSB BLMB7S BLMB7SA 7±% ±% 7±% BLMBSA BLMBSB ±% BLMBSD

18 This is the PDF file of catalog No.CE. No.CE.pdf.. Type Size (mm) Part Number Impedance (Ω) at MHz ated Current (ma) BLMBS ±% BLMBSB BLMBSD BLMBSB BLMBSD ±% ±% BLMB Series BLMBSB BLMBSD ±% For High Speed Signal (Sharp impedance characteristic)..8 BLMBS BLMB7SB BLMB7SD BLMBS ±% 7±% ±% BLMBS ±% BLMBSD ±% BLMB8S BLMBSD BLMBSD 8±% ±% ±% BLMBS ±% BLMBSB ±% BLMB7S 7±% BLMBSB BLMBSD ±% BLMBSB BLMBSD ±% BLMBS ±% BLMB Series For High Frequency (Sharp impedance.. BLMBSB BLMBSD BLMBSB BLMBSD BLMBS ±% ±% ±% characteristic) BLMB7SB BLMB7SD 7±% BLMBS ±% BLMB7SD 7±% BLMBS BLMBSD BLMB8SD ±% ±% 8±% BLMBS (Typ.) * BLMBSD ±% BLMB7S 7±%.. BLMBFI ±%..8 BLMPS BLMPS (Typ.) (Typ.).. BLMPSG BLMPS BLMPSG (Typ.) (Typ.) (Typ.) BLMPSG (Typ.) BLMPSG (Typ.) BLMPSG (Typ.) BLMP Series For Large Current.. BLMPS BLMPSG (Typ.) (Typ.) BLMP9SG 9 (Typ.) BLMPSG BLMPS BLMP7S (Typ.) (Typ.) 7 (Typ.).. BLMP8S BLMP8SG 8 (Typ.) 8 (Typ.) BLMP7SG 7 (Typ.) BLMPSG (Typ.) *ImpedanceT% guarantee type is also arailable. Please contact for further details. 7

19 This is the PDF file of catalog No.CE. No.CE.pdf.. Type Size (mm) Part Number Impedance (Ω) at MHz ated Current (ma) BLMH BLMHA Series Series For Standard For GHz ange Noise BLMHB Series Suppression For High Speed Signal..8 BLMHA7SG BLMHASG BLMHASG BLMHB7SD BLMHBSD BLMHBSD 7±% ±% ±% 7±% ±% ±% 8

20 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Chip Ferrite Bead BLM Series Size EMIFIL is the trademark of Murata Manufacturing Co., Ltd.!SPECIFICATIONS Part Number BLMAS BLMA7S BLMAS BLMASG Maximum SignalFrequency (MHz) Y Impedance (Ω) at MHz (Typ.) 7 (Typ.) (Typ.) ±% ated Current (ma) DC esistance (Ω max.)....7 Operating Temp. ange (D) BLMASG BLMASG BLMB7SB ±% ±% 7±%...8 Y to W BLMBSB 9 ±%. BLMBSB ±%. BLMBSD BLMBSD BLMBSD ±% ±% ±%...!DIMENSIONS.T..T..T..T. EIA Code : (in mm)!impedancefequency CHAACTEISTICS (TYPICAL) 9 BLMA Series ASG ASG ASG AS A7S AS BLMB Series BSD BSD BSD BSB BSB B7SB 9

21 This is the PDF file of catalog No.CE. No.CE.pdf..!IMPEDANCEFEQUENCY CHAACTEISTICS (DETAILS) "BLMA Series BLMAS BLMA7S BLMAS 9 BLMASG BLMASG BLMASG 7 9 "BLMB Series BLMB7SB BLMBSB BLMBSB 8 9 BLMBSD BLMBSD BLMBSD 7 8

22 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Chip Ferrite Bead BLM Series 8 Size EMIFIL is the trademark of Murata Manufacturing Co., Ltd.!SPECIFICATIONS Part Number BLMSK BLMSK BLM7SK BLMSK BLMSK BLMAS BLMASG BLMAS BLMASG BLMA7SG BLMAS BLMAS BLMBSA BLMBSB BLMBSA BLMBSB BLMBSA BLMBSB BLMB7SA BLMB7SB BLMBSB BLMB7S BLMB7SA BLMBSA BLMBSB BLMBSD BLMBS BLMBSB BLMBSD BLMBSB BLMBSD BLMBSB BLMBSD BLMBS BLMB7SB BLMB7SD BLMBS BLMBS BLMBSD BLMB8S BLMBSD BLMBSD BLMPS BLMPS Maximum SignalFrequency (MHz) * * Y Y Y Y Y Y Y Y Impedance (Ω) at MHz ±% ±% 7±% ±% ±% ±% ±% ±% ±% 7±% ±% ±% ±% ±% ±% 7±% ±% 7±% ±% ±% ±% ±% ±% ±% 7±% ±% ±% ±% 8±% ±% ±% (Typ.) (Typ.) ated Current (ma) 7 DC esistance (Ω max.) Operating Temp. ange (D) Y to W * has sharp impedance characteristic suitable for high speed lines. (At Maximum Signal Frequency insertion loss is db in Ω impedance circuit.) * marked items are designed for ultrahigh speed signal lines such as next generation memory interface. Since these impedance curve rise from several hundred MHz, these items can suppressnoise unless the misoperation of circuits. (At Maximum Signal Frequency, impedance is Ω which is used as Dumping.)

23 This is the PDF file of catalog No.CE. No.CE.pdf..!DIMENSIONS.T..T..8T..8T. EIA Code : (in mm)!impedancefequency CHAACTEISTICS (TYPICAL) Impedance (W) Impedance (W) Impedance (W) Impedance (W) BLM Series SK 7SK SK SK BLMB Series BSD BSD B8S BSD BS BS B7SD BS BSD B7SB BSB BSB BSB BSA BSA BSA BLMB Series BLMB Series BSD SK BSD BSD Impedance (W) Impedance (W) Impedance (W) Impedance (W) ASG AS BLMA Series ASG AS AS AS A7SG BLMB Series BLMB Series BS BSB B7S BSB B7SB BSB BSB BSB BLMP Series PS B7SA B7SA PS BSA

24 This is the PDF file of catalog No.CE. No.CE.pdf..!IMPEDANCEFEQUENCY CHAACTEISTICS (DETAILS) "BLM Series 7 BLMSK BLMAS "BLMA Series BLMSK 9 BLMSK BLMASG BLMSK BLM7SK BLMAS BLMASG 8 BLMA7SG 8 BLMAS BLMAS 9 "BLMB Series 7 BLMBSA BLMBSB BLMBSA

25 This is the PDF file of catalog No.CE. No.CE.pdf.. BLMBSB BLMBSA BLMBSB 7 BLMB7SA BLMB7SB BLMBSB 8 BLMB7S BLMB7SA BLMBSA BLMBSB BLMBSD 7 BLMBS BLMBSB BLMBSD 8 BLMBSB 8 BLMBSD 8 BLMBSB 8 BLMBSD BLMBS BLMB7SB BLMB7SD 7 8

26 This is the PDF file of catalog No.CE. No.CE.pdf.. 9 BLMBS BLMBS BLMBSD 8 BLMB8S 8 BLMBSD 8 7 BLMBSD "BLMP Series 8 BLMPS BLMPS 7

27 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Chip Ferrite Bead BLM Series Size!SPECIFICATIONS Part Number BLMSK BLMSK BLM7SK BLMSK BLMSK BLMAF BLMASG BLMASG BLMASG BLMAS BLMA7SG BLMAF BLMAS BLMAF BLMAS BLMBS BLMBSB BLMB7S BLMBSB BLMBSD BLMBSB BLMBSD BLMBS BLMBSB BLMBSD BLMBSB BLMBSD BLMBS BLMB7SB BLMB7SD BLMBS BLMB7SD BLMBS BLMBSD BLMB8SD BLMBS BLMBSD BLMB7S BLMPSG BLMPS BLMPSG BLMPSG BLMPSG Maximum SignalFrequency (MHz) Y Y Impedance (Ω) at MHz ±% * ±% * 7±% * ±% * ±% * ±% * ±% * ±% * ±% * ±% * 7±% * ±% * ±% * ±% * ±% * 7±% * ±% * ±% * ±% * ±% * ±% * ±% * 7±% * ±% * 7±% * ±% * ±% * 8±% * * (Typ.) * ±% * 7±% * (Typ.) * (Typ.) * (Typ.) * (Typ.) * (Typ.) * ated Current (ma) * has sharp impedance characteristic suitable for high speed lines. * BLMP series : Please derate the maximum current, as shown in previous page, for temperatures above +8D. * Impedance ±% guarantee type is also available. Please contact for further details. DC esistance (Ω max.) Operating Temp. ange (D) Y to W * Y to W8 Y to W

28 This is the PDF file of catalog No.CE. No.CE.pdf..!DIMENSIONS.±. *.±..±..8±. * * BLMBS/B7S :.T. * BLMB7S :.T. EIA Code : 8 (in mm)!impedancefequency CHAACTEISTICS (TYPICAL) BLM Series BLMA Series 9 SK 7SK SK SK SK 9 AS AS AS AF AF A7SG ASG ASG ASG AF B7SB BSB BSB BSB BSB BSB BS BS B7S BLMB Series BLMP Series PS PSG PSG PSG PSG 8 BLMB Series BSD BS B7SD BS B7SD BS BSD BSD BSD BSD B7S BS BSD B8SD 7

29 This is the PDF file of catalog No.CE. No.CE.pdf..!IMPEDANCEFEQUENCY CHAACTEISTICS (DETAILS) "BLM Series BLMSK BLMSK BLM7SK 7 BLMSK BLMSK 7 9 "BLMA Series BLMAF BLMASG BLMASG BLMASG BLMAS 8 BLMA7SG 8 BLMAF 8 BLMAS BLMAF 9 BLMAS 9 8

30 This is the PDF file of catalog No.CE. No.CE.pdf.. "BLMB Series BLMBS BLMBSB BLMB7S BLMBSB BLMBSD 8 BLMBSB BLMBSD BLMBSD BLMBS 9 BLMBSB 9 7 BLMBSB BLMBSD 8 BLMBS BLMB7SB BLMB7SD 7 BLMBS BLMB7SD BLMBS 9 BLMBSD 8 8 BLMB8SD BLMBS 9

31 This is the PDF file of catalog No.CE. No.CE.pdf.. 8 BLMBSD 8 BLMB7S "BLMP Series BLMPSG BLMPS BLMPSG 9 BLMPSG BLMPSG

32 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Chip Ferrite Bead BLM Series Size EMIFIL is the trademark of Murata Manufacturing Co., Ltd.!SPECIFICATIONS Part Number BLMAS BLMA7S BLMAS BLMBFI * BLMPSG BLMPS BLMPSG BLMP9SG BLMPSG!DIMENSIONS.7±..±. Impedance (Ω) at MHz ±% * 7±% * ±% * ±% * (Typ.) * (Typ.) * (Typ.) * 9 (Typ.) * (Typ.) * * has sharp impedance characteristic suitable for high speed lines. * BLMP series : Please derate the maximum current, as shown in previous page, for temperatures above +8D. * BLMBFI is improved item from BLMBS..±..±. * *BLMA7S :.±. EIA Code : (in mm) ated Current (ma) * * * * * * *!IMPEDANCEFEQUENCY CHAACTEISTICS (TYPICAL) 8 DC esistance (Ω max.) PSG PSG BLM Series P9SG BFI AS PSG A7S AS PS Operating Temp. ange (D) Y to W *

33 This is the PDF file of catalog No.CE. No.CE.pdf..!IMPEDANCEFEQUENCY CHAACTEISTICS (DETAILS) "BLMA/B Series BLMAS BLMA7S 8 BLMAS 7 BLMBFI 8 "BLMP Series BLMPSG 8 BLMPS BLMPSG BLMPSG 8 BLMPSG

34 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Chip Ferrite Bead BLM Series Size EMIFIL is the trademark of Murata Manufacturing Co., Ltd.!SPECIFICATIONS Part Number BLMA8S BLMAS BLMPS BLMP7S BLMP8S BLMP8SG BLMP7SG BLMPSG Impedance (Ω) at MHz 8±% ±% (Typ.) 7 (Typ.) 8 (Typ.) 8 (Typ.) 7 (Typ.) (Typ.) ated Current (ma) * * * * * * * * *BLMP series : Please derate the maximum current, as shown in previous page, for temperatures above +8D. DC esistance (Ω max.) Operating Temp. ange (D) Y to W *!DIMENSIONS.7±.!IMPEDANCEFEQUENCY CHAACTEISTICS (TYPICAL) BLM Series.±..±..±. EIA Code : 8 (in mm) A8S P8SG AS PS P8S P7S BLM Series 9 P7SG PSG

35 This is the PDF file of catalog No.CE. No.CE.pdf..!IMPEDANCEFEQUENCY CHAACTEISTICS (DETAILS) BLMA8S BLMAS BLMPS 7 7 BLMP7S BLMP8S BLMP8SG 7 7 BLMP7SG BLMPSG 9

36 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Chip Ferrite Beads For GHz ange Noise Suppression BLMH Series High Impedance at GHz Provides Excellent Noise Suppression on Interface of High Speed Application With the rapid growth of highspeed CPUs, highspeed graphics and telecommunication equipment, the demand for high frequency components has greatly increased. Murata recognizes this demand and has provided the BLMHseries as a timely and ideal solution. The BLMH series has a modified internal electrode structure, that minimizes stray capacitance and increases the effective frequency range. Impedance values of Ω can be attained at frequencies of GHz and greater.!dimensions.t..t..8t..8t.!featues. The BLMH is similar to the conventional BLM at frequencies, below MHz, however at GHz the impedance is appox. times larger.. The BLMHA is intended for standard signal lines as this series provides significant impedance across a broad frequency range. The BLMHB provides a sharper rolloff after the cut off frequency, therefore this series is ideal for high speed signal lines.. The magnetic shielded structure minimizes cross talk.!applications Interface line of computer that has highspeed CPU & highspeed bus and other digital equipment Telecommunication equipment and choke for power supply Car navigation Suitable for noise suppression from MHz to GHz range!pat NUMBEING (Please specify the part number when ordering.) (Ex.) BLMHA SG PT q w qtype wtypical Impedance at MHz : Ω eother Characteristics rpackaging Code PT : Taped (φ8mm reel) PT : Taped (φmm reel) PB : Bulk package e r (in mm)!impedancefequency CHAACTEISTICS (TYPICAL) BLMHA series BLMHA7SG BLMHASG BLMHASG BLMHB series BLMHBSD BLMHBSD BLMHB7SD!SPECIFICATIONS Part Number at MHz at GHz ated Current (ma) DC esistance (Ω max.) Operating Temp. ange (D) BLMHA7SG BLMHASG 7±% ±% (Typ.) 7 (Typ.).8. BLMHASG BLMHB7SD ±% 7±% (Typ.).. Y to W BLMHBSD ±% (Typ.). BLMHBSD ±% 7 (Typ.).8

37 This is the PDF file of catalog No.CE. No.CE.pdf..!IMPEDANCEFEQUENCY CHAACTEISTICS (DETAILS) 8 BLMHA7SG BLMHASG BLMHASG 7 BLMHB7SD BLMHBSD BLMHBSD!NOISE SUPPESSION IN UHF ANGE 7 Initial 7 BLMAS (Ω at MHz) 7 BLMHASG (Ω at MHz) Level [dbuv/m] Level [dbuv/m] Initial Level [dbuv/m] Initial BLMAS Frequency [MHz] Frequency [MHz] Frequency [MHz] Current BLM are effective in suppressing noise in the range between MHz and 7MHz. In addition to the effectiveness of current BLM, BLMHA suppresses noise in the range beyond 7MHz. COMPAISON BETWEEN BLMHASG AND BLMAS (CUENT ITEM) Testing Circuit BLMHASG BLMAS 7HCU MHz Measured radiation at m distance 7AC 7HC BLM

38 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Chip Ferrite Bead Array BLA Series EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Components are Included in..mm Chip The miniaturize of electronic equipment requires high performance EMI filters which enables high density mounting. BLA series consists of circuit of ferrite bead inductor. BLA is suitable for EMI suppression in smaller digital equipment.!featues. BLA have circuits in..mm body with.8mm pitch.. Provides attenuation across a broad frequency range. Two types of impedance are available which meets general signal line and high speed signal line.. Original inner electrode structure enables extra low crosstalk.. The nickel barrier structure of the external electrodes provides excellent solder heat resistance. Both flow and reflow soldering methods can be employed.!applications Notebook size PC, PDA and other compact size digital equipment!pat NUMBEING (Please specify the part number when ordering.) (Ex.) BLA A SG T q w e r t y qtype wcharacteristics A : General B : High Speed etypical Impedance at MHz : Ω rmaterial Code tnumber of Line ypackaging Code PT : Taped PB : Bulk package!dimensions.t..8t..t.!equivalent CICUIT DIAGAM.8T..T..T. EIA Code : (in mm) The BLA series has no polarity.!specifications Part Number BLAASG BLAASG Impedance (Ω) at MHz T% T% ated Current (ma) DC esistance (Ω max.).. I Between Element (Vdc) Operating Temp. ange (D) BLAASG BLAASG T% T%.. BLAASG BLAASG BLABSD BLABSD T% T% T% T%.... MΩ min. Y to W BLAB7SD BLABSD 7T% T%.. BLABSD ±%. 7

39 This is the PDF file of catalog No.CE. No.CE.pdf..!IMPEDANCEFEQUENCY CHAACTEISTICS (TYPICAL) BLAA Series ASG ASG BLAB Series 9 ASG ASG ASG ASG BSD BSD B7SD BSD BSD!IMPEDANCEFEQUENCY CHAACTEISTICS (DETAILS) BLAASG 8 BLAASG BLAASG BLAASG 8 BLAASG BLAASG 7 9 BLABSD BLABSD 8 BLAB7SD 7 7 BLABSD BLABSD 7 8

40 This is the PDF file of catalog No.CE. No.CE.pdf..!CHIP INDUCTO FO CHOKE USE There are chip inductors for choke use which are effective to suppress power line noise. Please find most suitable product in wide chip inductor for choke variation. LQHC.... (in mm) Part Number Inductance DC esistance Selfresonant Allowable Current Frequency (µh) (Ω±%) (MHz min.) (ma) LQHC.Y.9Y..Y9 Y8 LQHC.Y.8Y. Y Y " ImpedanceFrequency Characteristics (Typical) µh µh.µh.... LQGF...8/. (in mm) Inductance DC esistance Selfresonant Allowable Current Part Number Frequency (µh) (Ω±%) (MHz min.) (ma) LQGF.Y7.Y. 7.Y 7Y " ImpedanceFrequency Characteristics (Typical) µh µh.µh 7µH.µH.7µH 9

41 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Chip Solid EMIFIL NFM//// Series The chip solid EMIFIL NFM * // * // * series is a chip type terminal EMI suppression filter. It can reduce residual inductance to an extremely low level making it excellent for noise suppression at high frequencies. An electrostatic capacitance range of pf to pf enables suppression of noise at specific frequencies. (The array type NFA series is also available.) NFM NFM NFM *Using base metal to the electrode.!featues. Small and low profile of.mm.mm.mm (NFM) enables high density mounting.. The terminal structure enables high performance in high frequency range.. Use original electrode structure which realize excellent solderability.!applications PCs and peripherals which emit high amount of noise Compact size equipment such as PDA, PC card and mobile telecommunication equipments Severe EMI suppression and high impedance circuits such as digital circuits NFM!EQUIVALENT CICUIT DIAGAM GND () NFM () or () Input Output () or () The NFM//// series has no polarity.!pat NUMBEING (Please specify the part number when ordering.) (Ex.) NFM C q qtype wclass No. ecircuit Composition rcharacteristics tother Characteristics (NFM//) ypackaging Code T : Taped B : Bulk package w e r t T y

42 This is the PDF file of catalog No.CE. No.CE.pdf..!DIMENSIONS.±. NFM NFM NFM.±..±..8±..±..±..±..7±..±..±..±..±..7±..±. () () () () () EIA Code : 8 () () EIA Code : () () EIA Code : W.. Y. () (). min. ().±. NFM.±. NFM.±. ().±..±..±..±..±..±..±. () () EIA Code : 8 EIA Code : 8 () () ()!SPECIFICATIONS NFM Series Part Number NFMC () Capacitance pft% ated Voltage ated Current. min. () Insulation esistance.±. DC esistance (in mm) Operating Temp. ange (D) NFMC7 7pFT% NFMC NFMC NFMC7 pft% pft% 7pFT% Vdc madc MΩ min..ω max. to W NFMC pft% NFMC pft% NFMC pft% Adc.Ω max. NFM Series Part Number NFMC Capacitance pft % ated Voltage ated Current Insulation esistance DC esistance Operating Temp. ange (D) NFMC7 7pFT % Vdc madc MΩ min..ω max. to W NFMC pft % NFM Series Part Number NFMC NFMC7 NFMC Capacitance pft % 7pFT % pft % ated Voltage ated Current Insulation esistance DC esistance Operating Temp. ange (D) Vdc madc MΩ min..ω max. to W NFMC pft % NFMC pft %

43 This is the PDF file of catalog No.CE. No.CE.pdf.. NFM Series Part Number NFMC Capacitance pft % ated Voltage ated Current Insulation esistance DC esistance Operating Temp. ange (D) NFMC7 NFMC 7pFT % pft % Vdc madc MΩ min..ω max. to W NFMC pft % NFM Series Part Number NFMC7 NFMC NFMC NFMC Capacitance 7pFT % pft % pft % pft % ated Voltage!INSETION LOSS CHAACTEISTIC (TYPICAL) ated Current Insulation esistance DC esistance Operating Temp. ange (D) Vdc madc MΩ min..ω max. to W InsertionLoss (db) 8 NFM Series pf 7pF pf pf pf pf 7pF pf InsertionLoss (db) NFM Series 7pF pf pf 8 InsertionLoss (db) 8 NFM Series pf pf pf 7pF pf NFM Series NFM Series 7pFpF InsertionLoss (db) 8 pf pf InsertionLoss (db) 8 pf pf pf 7pF!INSETION LOSS MEASUING CICUIT Ω Ω db Attenuator Sample Ω db Attenuator S.G. Ω E

44 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Chip EMIFIL Array NFA8//NFAD Series Lines Terminal Capacitor are Included in..mm * Chip educing Mounting Space The NFA series of chip EMI suppression filters is designed for surface mount applications.,, or 8 circuits are condensed into one package to enable significant savings in mounting space. The filters feature Murata's original EMI suppression technology as well as an improved design base over the single circuit type NFM series. The series is well suited for EMI suppression in digital I/O lines of varied electronic equipment such as Notebook PCs. NFA8 *NFAD!FEATUES.,, or 8 circuits are available in single packages with either.8mm (NFA/NFAD) or.7mm (NFA8) pitch, making the series excellent for the high density EMI suppression requirement.. The terminal structure realizes excellent EMI suppression at high frequencies. The series has a unique internal structure that minimizes crosstalk.. The filter has two ground terminals to provide perfect ground conditions for all filter circuits. In this way, excellent EMI suppression in a narrow path can be realized using uncomplicated land designs.. The nickel barrier structure of the external electrodes provides excellent solder heat resistance. Both flow and reflow soldering techniques are possible.. The series is available in a wide variety of capacitances to meet many of your noise suppression requirements.!dimensions (Surface) (Surface) NFA NFA. +...±..8±..±..7±..8±. NFA8.±..±. NFAD (Mountedface) EIA Code : 8 NFA (Mountedface).±..8± ±.!APPLICATIONS Computers and peripherals, digital TVs, digital VCs etc.!pat NUMBEING (Please specify the part number when ordering.) (Ex.) NFA q w qtype wnumber of Circuits and Terminal Pitch 8 8 circuit.7mm pitch circuit.8mm pitch circuit.8mm pitch emonolithic type rclass No. tcircuit Composition ycharacteristics upackaging Code e r C t T : Taped B : Bulk package y T u NFA. +...±..8±..±. (Surface) (7) (8) (9) () () () () () () (). min..±..±..±..±.. min. NFAD.±..8±..±..±.!EQUIVALENT CICUIT DIAGAM Input EIA Code :.8±. EIA Code :.±. (in mm) GND GND Output The NFA series has no polarity.

45 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS Part Number Capacitance ated Voltage ated Current Insulation esistance Operating Temp. ange (D) Number of Circuit NFA8C pft % NFA8C7 NFA8C 7pFT % pft % madc NFA8C NFA8C7 pft % 7pFT % Vdc MΩ min. Y to W 8 NFA8C pft % madc NFA8C pft % NFA8C pft % madc NFAC pft % NFAC7 7pFT % NFAC pft % NFAC NFAC7 pft % 7pFT % Vdc madc MΩ min. Y to W NFAC pft % NFAC pft % NFAC pft % NFADC pft% NFADC7 7pFT% NFADC pft% NFADC NFADC7 NFADC NFADC pft% 7pFT% pft% pft% Vdc madc MΩ min. Y to W8 NFADC pft% Vdc!INSETION LOSS CHAACTEISTIC (TYPICAL) NFA8/ Series NFAD Series Insertion Loss (db) 8 pf pf pf pf 7pF pf pf 7pF pf Insertion Loss (db) 8 pf pf pf 7pF 7pF pf pf pf!insetion LOSS MEASUING CICUIT Ω db Attenuator Sample Ω db Attenuator Ω Ω F Voltmeter S.G.

46 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Chip EMIFIL Array NFAG Series EMIFIL is the trademark of Murata Manufacturing Co., Ltd. lines high performance filter with low distortion are included in..mm size The NFAG series is high performance EMI suppression filter array which designed circuits noise filter in.. mm size. NFAG realizes high density mounting.!featues. NFAG has circuits noise filter in.. mm size with.8mm pitch. High density mounting is available.. terminal structure is achived excellent high frequency performance.. Distributed constant circuit realizes smooth change of impedance which prevents reflection of signal and distortion of wave shape.. NFAG series is effective in the line where ground is not stable, because the resistance element in the filter absorb noise and return it to ground line.!applications Suppression of noise in LCD driver or bus line of compact size digital equipment (Such as note book size PC, PDA and other)!pat NUMBEING (Please specify the part number when ordering.) (Ex.) NFAG C q qtype wclass No. ecircuit Composition rcapacitance tcircuit Composition yesistance upackaging Code w e r T : Taped B : Bulk package t y T u!dimensions (Surface) (7) (8) (9) () () () () () () ().±..8±..±..±. (Mountface)!EQUIVALENT CICUIT DIAGAM.8±. Input (7) (8) (9) () GND () () GND.±. EIA Code : (in mm) () () () () Output The NFAG series has no polarity.

47 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS Part Number NFAGC8 Capacitance (pf) esistance (Ω)..8T% ated Current (ma) Signal line ated Voltage (Vdc) Insulation esistance (MΩ) Signal lineground Operating Temp. ange (D) NFAGC7 NFAGC T% 7T% T% NFAGC78..8T% NFAGC77 7T% 7T% min. Y to W8 NFAGC7 T% NFAGC8..8T% NFAGC7 T% 7T% NFAGC T%!INSETION LOSS CHAACTEISTIC (TYPICAL) esistance.8ω line up!insetion LOSS MEASUING CICUIT Insertion Loss (db) NFAGC8 NFAGC78 NFAGC8 Ω S.G. Ω db Attenuator Sample Ω db Attenuator Ω F Voltmeter esistance 7Ω line up NFAGC7 Insertion Loss (db) NFAGC77 NFAGC7 esistance Ω line up Insertion Loss (db) NFAGC NFAGC7 NFAGC

48 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Chip EMIFIL NFM89 Series EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Distributed Constant Circuit Type Chip EMIFIL which Prevent Wave Distortion The NFM89 series comprise high performance EMI suppression filter which can suppress distortion of waveform. The NFM89 series can be used in interface lines and clock lines where signals are tend to be distorted. The NFM89 series has various line up of resistance ( Ω) and capacitance (pf). Various items are to be used, considering circuit impedance and noise condition.!featues. MUATA's original inner design realized small and low profile of.mm.mm.mm.. Distributed constant circuit realizes smooth change of impedance which prevents reflection of signal and distortion of wave shape.. The NFM89 series is effective in the line in which ground is not stable because the resistance element in the filter absorb noise and return it to ground line.. The NFM89 series has no polarity so that it can be used in dual direction transport lines.!dimensions (Surface)!APPLICATIONS Suppression of noise in interface line or clock line of digital equipment (such as personal computers, word processors). max..±..±..9±.!pat NUMBEING (Please specify the part number when ordering.) (Ex.) NFM89 C q qtype wclass No. ecircuit Composition rcapacitance tcircuit Composition yesistance upackaging Code w e r t T : Taped B : Bulk package y T u (). +...±. (Mountface) () () (). +.. () : Input (Output) electrode () : Ground electrode () : Output (Input) electrode #The NFM89 series has no polarity..±. EIA Code : 8 (in mm)!equivalent CICUIT DIAGAM () or () Input Output () or () GND () The NFM89 series has no polarity. 7

49 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS Part Number NFM89C NFM89C7 NFM89C7 NFM89C77 NFM89C78 NFM89C7 NFM89C NFM89C7 NFM89C8 NFM89C Capacitance (pf) T% 7T% T% esistance (Ω) T% 7T% T% 7T% 8T% T% T% 7T% 8T% T%!INSETION LOSS CHAACTEISTICS (TYPICAL) For High Impedance Line (Measured with ΩkΩ lines) ated Current (ma) () () ated Voltage (Vdc) () () () Insulation esistance (MΩ) () () () Operating Temp. ange (D) min. Y to W8 For Low Impedance Line (Measured with ΩΩ lines) NFM89C7 Insertion Loss (db) NFM89C Insertion Loss (db) NFM89C NFM89C7 NFM89C7 NFM89C77 NFM89C78 NFM89C NFM89C7 NFM89C8!INSETION LOSS MEASUING CICUITS Ω db Attenuator Ω Sample Impedance Transducer (kωω) (ΩΩ) Ω db Attenuator S.G. Ω F Voltmeter 8

50 This is the PDF file of catalog No.CE.!EFFECT OF NOISE SUPPESSION BY NFM89 The NFM89 is effective even if ground line is not stable enough due to its distribute constant circuit structure.!testing CICUIT No.CE.pdf.. HCU HC Filter HC MHz cm Signal Pattern With Stable Ground Line Noise Level (dbµv/m) "Noise Level without Filter Frequency(MHz) Standard Type Chip EMIFIL (pf) Noise Level (dbµv/m) The standard type chip EMIFIL is effective on stable ground line "Filter Mounting Condition Filter Signal line Ground Pattern Thruhole (connection ground pattern with ground plane) Whole Surface(Back side) Ground plane With Poor Ground Line Noise Level (dbµv/m) "Noise Level without Filter NFM89C7 The NFM89 has some advantage to standard type EMIFIL on stable ground line. Standard Type ChipEMIFIL (pf) Noise Level (dbµv/m) The standard type EMIFIL lose efficiency on poor ground line. Noise Level (dbµv/m) "Filter Mounting Condition Filter Signal line Ground Pattern NFM89C7 Noise Level (dbµv/m) Without Ground Plane The NFM89 is effective even on poor ground line because of its distribute constant circuit structure and unique system to limit rush current. 9

51 This is the PDF file of catalog No.CE. No.CE.pdf..!WAVEFOM DISTOTION SUPPESSING FUNCTION BY NFM89 "Testing Circuit HCU AC Filter AC Voltage Measuring Point MHz Current Measuring Point Initial Waveform (no filter) "Voltage Waveform "Current Waveform :V/div :ns/div :ma/div :ns/div esonance between the internal capacitance of the IC and the inductance of the print pattern causes waveform overshooting and undershooting. When Ordinary Capacitor Filter is Used "Output Voltage Waveform "Input Current Waveform :V/div :ns/div :ma/div :ns/div Ordinary capacitor filters have no waveform distortion suppressing capability, and they cannot suppress disturbances in the waveforms. The current needed to charge and discharge the capacitor raises the peak level of current that flows out of the driver side IC, increasing the load on the IC. NFM89 "Output Voltage Waveform "Input Current Waveform :V/div :ns/div :ma/div :ns/div The waveform distortion suppressing function of the NFM89 minimizes disturbances of waveforms. The NFM89 also includes a current limiting function, reducing the load on driver ICs.

52 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Chip EMIFIL for Signal Line NFM Series db/dec. (typ.) Damping Characteristics for High Speed Signal Line The signal line chip EMIFL NFM series consist of high performance EMI suppression filters. They are designed for noise suppression in high speed digital circuits in which the signal harmonics are prone to becoming noise sources. These filters achieve a db/dec. (typ.) damping characteristic made possible by Murata's innovative circuit design. This makes these chips effective in applications where the signal and noise frequencies are close to each other.!featues. The filters suppress signal noise with little or no attenuation of the signal itself.. Murata's original internal structure design enables excellent noise suppression up to high frequencies (db at GHz typ.).. The NFM series is available in six different values of cutoff frequency ranging from MHz up to MHz.!DIMENSIONS.±..8±.!APPLICATIONS Suppression of high magnitude radiated noise generated by high speed digital circuits such as clock and GB circuits Suppression of noise in high speed processing circuits such as digital image signal processing circuits!pat NUMBEING (Please specify the part number when ordering.) (Ex.) NFM P q qtype wclass No. ecutoff Frequencies w!specifications Part Number NFMP NFMP NFMP NFMP7 NFMP7 NFMP7 NFMP7 NFMP7 NFMP7 e Cutoff Frequency (MHz) * Attenuation (db min.).±. () () ().7±..±..7±. MHz MHz MHz MHz MHz MHz MHz MHz MHz GHz * * * * * * *.±. () Input(Output) electrode () Ground electrode () Output (Input) electrode EIA Code : The NFM series has no polarity. * ated Voltage (Vdc) ated Current (ma) (in mm) Operating Temp. ange (D) Y to W8 *db max.

53 This is the PDF file of catalog No.CE.!INSETION LOSS CHAACTEISTICS (TYPICAL) No.CE.pdf..!INSETION LOSS MEASUING CICUIT Insertion Loss (db) NFMP7 NFMP7 NFMP7 NFMP7 NFMP7 NFMP NFMP NFMP NFMP7 Ω S.G. Ω db Attenuator Sample Ω db Attenuator Ω F Voltmeter 8 Comparison with Conventional Chip EMIFIL NFM series can realize EMI suppression without reducing effective elements of the signal, because it has steep attenuation characteristics. NFM Series Conventional Type Insertion Loss (db) 8

54 This is the PDF file of catalog No.CE.!EAMPLE OF EMI SUPPESSION IN AN ACTUAL CICUIT "Measuring Circuit "Signal Waveform and Noise Spectrum before Filter Mounting No.CE.pdf.. 7ALS MHz EMI Suppression Filter Measuring Point 7ALS Signal Waveform ( ) ns/div V/div Noise Level (dbµv) 8 Noise Spectrum (: Active Probe) "Waveform Change and Noise Suppression Effect when Filter is Inserted Type of Filter Signal Wave Form (ns. V/div) EMI Suppression Effect Description NFM Series (Cutoff frequency MHz) Noise Level (dbµv) 8 Level before filter mounting The NFM's steep attenuation characteristic means excellent EMI suppression without waveform cornering. Conventional Chip Solid type EMI Filter (NFM 7pF) Noise Level (dbµv) 8 Level before filter mounting terminal capacitors suppress signal frequencies as EMI frequencies so the signal waveform is distorted. Filter Combined with Conventional LCs C L : Chip Inductor C : Chip Capacitor (7pF) L L Noise Level (dbµv) 8 Level before filter mounting Combinations of inductors and capacitors can yield a steep attenuation characteristic, but they require a great deal more mounting space. Moreover, at high frequencies the EMI suppression is less than that obtained by the NFM.

55 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Chip Solid EMIFIL NFMP/P/P/P Large ated Current Terminal Capacitor in DC Power Line Chip solid EMIFIL NFMP * /P/P * /P are terminal structure SMT components. These components are able to be applied to large current DC power lines. NFMP/P/P/P are suitable in noise suppression DC lines where relatively large currents operate. *Using base metal to the electrode. NFMP NFMP!FEATUES NFMP. The rated current of AA is suitable for IC's individual power line.. Small dimension enables higher density packaging. NFMP is much smaller size. (...8mm). Murata's original internal electrode structure design which realizes excellent EMI suppression effect from low frequency to high frequency. NFMP/P/P. Large rated current (NFMP/P : A, NFMP : A) and low voltage drop due to a small DC resistance are suitable for the application in DC power line.. High electrostatic capacitance and remarkable high frequency performance are effective for the immunity against the surge noise and the pulse noise.. Only reflow soldering should be applied.(nfmp)!applications Personal computers, Word processors and Peripherals Telephones, PPCs, Communication equipments, etc. Digital TVs, VCs Telecommunication equipment!pat NUMBEING (Please specify the part number when ordering.) (Ex.) NFM P C q w qtype wlarge Current eclass No. rcircuit Composition tcapacitance yother Characteristics (NFMP/NFMP) upackaging Code T : Taped B : Bulk package e r t y T u!dimensions.t. ().T..T. () () () NFMP NFMP ().8T. W..7Y..7T. ().T. EIA Code : 8.min..±..±. () () () () () () NFMP.±. NFMP.T. NFMP NFMP.±..T..T. () ().±. W.. Y..T. ().7T..T..T. EIA Code : EIA Code : 8 EIA Code : () (in mm)

56 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS Part Number Capacitance ated Voltage (Vdc) ated Current (Adc) Insulation esistance (MΩ min.) DC esistance () () (Ω max.) Operating Temp. ange (D) NFMPCB NFMPCF pft% (µf) 8 pft % (µf). to W8 NFMPC7 NFMPC NFMPC 7pFT% (.7µF) pft% (.µf) pft% (.µf). to W NFMPC pft%. NFMPCF NFMPC 8 pft % (.µf) 8.µF T %.. to W8!INSETION LOSS CHAACTEISTIC (TYPICAL) NFMP NFMP.µF() Insertion Loss (db) 8.7µF(7) µf(f) µf(b).µf() Insertion Loss (db) 8.. NFMP NFMP Insertion Loss (db) Insertion Loss (db) 8 8!EQUIVALENT CICUIT DIAGAM..!INSETION LOSS MEASUING CICUIT () or () Input Output () or () Ω db Attenuator Sample Ω db Attenuator Ω GND () The NFMP series has no polarity. S.G. Ω F Voltmeter

57 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Ttype Chip EMIFIL NFM//H Series Meets High Current of A TType Circuit Chip EMIFIL with Ferrite Beads!FEATUES. Its large rated current and low voltage drop due to small DC resistance are suitable for DC power line use.. The feedthrough capacitor realized excellent highfrequency characteristics.. The structure incorporates builtin ferrite beads which minimize resonance with surrounding circuits.. For rugged operating environments such as automobile circuitry, Murata offers the heavy duty NFMH series. These filters have an extended operating temperature range of D to +D.!APPLICATIONS Office equipment such as personal computers, word processors and facsimiles Audio visual equipment such as TVs and VCs!PAT NUMBEING (Please specify the part number when ordering.) (Ex.) NFM T q qtype wclass No. ecircuit Composition rcharacteristics tpackaging Code w e r T : Taped B : Bulk package T t NFM NFM/H!DIMENSIONS NFM.7±..±. () () () ().±..±. EIA Code : NFM/H.7±..±..7±. () () () ().±..8±. EIA Code : 7 (in mm)!equivalent CICUIT DIAGAM () or () Input Output () or () GND () The NFM/NFM/NFMH series has no polarity.

58 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS NFM Series (Compact Size Type) Part Number NFMT NFMT7 NFMT NFMT NFMT7 NFMT NFMT Capacitance ated Voltage ated Current Insulation esistance Operating Temp. ange pft% 7pFT % pft 8 % pft % 7pFT % pft % pft% Vdc Adc MΩ min. YD to W8D NFM Series Part Number NFMT * NFMT8 * NFMT NFMT8 NFMT NFMT8 * NFMT NFMT7 Capacitance ated Voltage ated Current Insulation esistance Operating Temp. ange pft% 8pFT% pft% 8pFT% pft% 8pFT% pft 8 % 7pFT 8 % Vdc Adc MΩ min. YD to W8D NFMH Series (Heavy Duty Type) Part Number NFMHT * NFMHT8 * NFMHT NFMHT8 NFMHT NFMHT8 * NFMHT NFMHT * * Marked items are not standard. Capacitance ated Voltage ated Current Insulation esistance Operating Temp. ange pft% 8pFT% pft% 8pFT% pft% 8pFT% pft 8 % pft 8 % Vdc Adc MΩ min. YD to WD!INSETION LOSS CHAACTEISTICS (TYPICAL) Insertion Loss (db) pf pf 7pF pf pf NFM pf 7pF Insertion Loss (db) 8pF pf 8pF pf pf 7pF NFM/H pf 8pF pf.!insetion LOSS MEASUING CICUIT Ω Ω db Attenuator Sample Ω db Attenuator S.G. Ω F Voltmeter 7

59 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Chip Solid EMIGUAD VFM Series EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Terminal VaristorCapacitor EMI Filter The VFM series is a chip EMIFIL with varistor function. Its terminal structure provides high performance by suppressing highfrequency noise and absorbing surge noise.!featues. The VFM series protect semiconductor unit from surge noise such as electrostatic discharge.. The VFM series suppress EMI noise in signal lines.. Chip shape enables high density mounting.!applications ESD surge protection and EMI suppression in various electric equipments such as car electronic equipments, portable electronic equipments, telecommunication terminals, office automation equipments, home automation equipments or factory automation equipments!dimensions.t..t..t.!pat NUMBEING (Please specify the part number when ordering.) (Ex.) VFM C N 7 T.T. ().T..T. q qtype wclass No. ecircuit Composition rcapacitance tcapacitance Tolerance yated Voltage uvaristor Voltage ipackaging Code w e r t T : Taped B : Bulk package y u i () () EIA Code : 8 ()!EQUIVALENT CICUIT DIAGAM (in mm) () or () Input Output () or () GND () The VFM series has no polarity.!specifications Part Number ated Voltage (Vdc) Varistor Voltage (V) ated Current (ma) Peak Pulse Current (A) ESD Test (pf, Ω) Capacitance Insulation esistance (MΩ) Operating Temp. ange (D) VFMCN7 7T kv, times pft% min. Y to W 8

60 This is the PDF file of catalog No.CE.!INSETION LOSS CHAACTEISTIC (TYPICAL) No.CE.pdf..!INSETION LOSS MEASUING CICUIT Insertion Loss (db) Ω S.G. Ω db Attenuator Sample Ω db Attenuator Ω F Voltmeter 8!IMPULSE NOISE ABSOPTION (Comparison between VFM and Standard terminal Varistor) Final voltage comes below V because of the affect of signal reflection. Voltage Waveform 7 7 Time (ns) Frequency Spectrum MHz 99MHz Frequency (LINEA) Output Voltage (V) Output Voltage (dbm) Impulse Generator (o=ω) (Pulse Width ns) Sample Ω Attenuator Oscilloscope Original Waveform The Lower chart is a frquency response of the upper chart. Note that the scale of original wave chart and that of the output wave chart is different because of circumstances. Output Waveform Output Waveform Output Voltage (V) Output Voltage (dbm) Output Voltage (V) Output Voltage (dbm) 7V peak Time (ns) MHz Frequency (LINEA) The commonly used terminal varistor The rising part of pulse, which is mostly consists of highfrequency element, remains because inductance in electrodes becomes obstacle. 7V peak Time (ns) MHz Frequency (LINEA) 99MHz 99MHz Chip Solid EMIGUAD VFM The terminal structure minimizes the effect of inductance in electrodes and pulse rising noise is absorbed completely. 9

61 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Thin Film Type Chip Common Mode Choke Coil PLPS Series Thin Film Type Chip Common Mode Chock Coil with High Impedance at High Frequency in Small Size Suitable for USB The PLPS series is chip common mode choke coil that is realized high impedance in small size with ferrite material technoloy and thin film processing. The PLPS has excellent performance at high frequency range. PLPS is suitable for differential signal line application.!featues. PLPS is common mode choke coil that realized small size, low profile, SMD....mm (tolerance:.mm). PLPS has high common mode impedance (Ω typ. at MHz) in small size.. PLPS suppress high frequency noise that was unable to be suppressed with existing common mode choke coils. Suitable for differential signal line as like USB and LVDS, because PLPS does not provide distortion to high speed signal transmission due to its high coupling (Coupling coefficient:.98 min.)!dimensions () ().T..7T.!APPLICATIONS Common mode noise suppression of signal lines in high speed and high density digital equipment such as personal computers and peripherals. () ().T...T..!PAT NUMBEING (Please specify the part number when ordering.).t. EIA Code : (Ex.) PLPS SL q w e r T t (in mm) qtype wtypical Impedance at MHz eother Characteristics rnumber of Line tpackaging Code T : Taped B : Bulk package!equivalent CICUIT DIAGAM () () () ()

62 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS Part Number ated Current (A) Common mode Impedance (Ω) (Typ.) at MHz DC esistance (Ω) max. ated Voltage (Vdc) Withstand Voltage (Vdc) Insulation esistance (Ω) min. Operating Temp. ange (D) PLPSSL PLPSSL PLPSSL... M Y to W8.!IMPEDANCEFEQUENCY CHAACTEISTICS (TYPICAL) (Common mode) PLPS PLPS PLPS (Differential mode)

63 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Multilayer Type Chip Common Mode Choke Coil PLMK For Common Mode Noise Suppression in High Speed Signal Lines SMD, Ultra Small Size Common Mode Choke Coil The PLMK series is effective in high frequency noise suppression and suitable for suppression of radiation noise in signal cables. The common mode choke coil structure enables noise suppression without damaging the signal. Murata's original material technology and monolithic technology enable a compact size of...mm.!featues. The PLMK series is effective for common mode noise suppression in digital equipment which causes radiation from cables.. Low leakage flux due to monolithic structure enables high density mounting.. The nickel barrier structure of the external electrodes provides excellent solder heat resistance.!applications Prevention of common mode noise on signal line in personal computers, computer built in equipments, facsimiles, digital telephones, etc.!pat NUMBEING (Please specify the part number when ordering.) (Ex.) PLMK 8 SJ q qtype wtypical Impedance at MHz 8 : 8Ω eother Characteristics rnumber of Line tpackaging Code w e T : Taped B : Bulk package r T t!dimensions.t. () () () ().T..T.!EQUIVALENT CICUIT DIAGAM () () (.).7T..T. EIA Code : 8 (in mm) () ()

64 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS Part Number ated Current (ma) Common mode Impedance (Ω) (Typ.) at MHz!IMPEDANCEFEQUENCY CHAACTEISTICS (TYPICAL) DC esistance (Ω) max. Withstand Voltage (Vdc) ated Voltage (Vdc) Insulation esistance (Ω) min. Operating Temp. ange (D) PLMK8SJ 8. M Y to W8 (Common Mode) (Differential Mode)

65 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL Wire Wound Type Chip Common Mode Choke Coil PLWS Series Wire Wound Type Chip Common Mode Choke Coil with High Impedance and High Coupling Suitable for IEEE9 and LVDS!FEATUES. PLWS realizes small size and low profile..mm.mm.9mm.. High common mode impedance at high frequency effects excellent noise suppression performance.. Various common mode impedance items of 9 to Ω can be used, considering noise level and signal frequency.. Suitable for differential signal line like IEEE9 and LVDS, because PLWS dose not provide distortion to high speed signal transmission due to its high coupling.. PLWS is lead free design.. Small dimension enables higher density packaging. EMIFIL is the trademark of Murata Manufacturing Co., Ltd.!APPLICATIONS Common mode noise suppression of signal lines in high speed and high density digital equipment such as personal computers and peripherals.!dimensions!pat NUMBEING (Please specify the part number when ordering.).9±. (Ex.) PLWS 9 SQ q w e r T t.±..±. qtype wtypical Impedance at MHz 9 : 9Ω eother Characteristics rnumber of Line tpackaging Code T : Taped B : Bulk package () () () () (.) (.) (.) (.) (in mm)!equivalent CICUIT DIAGAM () () () ()

66 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS Part Number ated Current (ma) Common mode Impedance (Ω) (Typ.) at MHz DC esistance (Ω) max. Withstand Voltage (Vdc) ated Voltage (Vdc) Insulation esistance (Ω) min. Operating Temp. ange (D) PLWS9SQ PLWSSQ PLWSSQ PLWSSQ M Y to W8 PLWSSQ. PLWSSQ.!IMPEDANCEFEQUENCY CHAACTEISTICS (TYPICAL) Common mode PLWSSQ PLWSSQ PLWSSQ PLWSSQ PLWSSQ PLWS9SQ S S9 S S S S Differential mode.

67 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP EMIFIL EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Chip Common Mode Choke Coil PLMH/S Series Wire Wound Chip Type with High Impedance, Large Current, High Coupling Are Condensed into Small Chip!FEATUES. High impedance (maximum of kω at MHz : PLMH) enables great noise suppression.. Large rated current (maximum of A) enables power line use.. The PLM series dose not damage high speed signal due to high coupling common mode choke coil structure.. Automatic mounting can be applied.. The PLM series is specially adapted for reflow soldering.!applications Common mode noise suppression of signal lines in high speed digital equipment such as HDTVs, computers and peripherals Common mode noise suppression of DC power lines in AC adapter of notebook size computers, game machines and digital audio equipments!pat NUMBEING (Please specify the part number when ordering.) (Ex.) PLMS q qtype wclass No. epackaging Code w T T : Taped (φ 8mm reel) T : Taped (φ mm reel) B : Bulk Package!EQUIVALENT CICUIT DIAGAM e PLMH!DIMENSIONS.7 T.. T..7 T..T. () () () ()..9. T. T. T..T. PLMS PLMH PLMS. max. EIA Code : () (). max. () ().T..T. () (). T..7 T..T..7 T. () () EIA Code :..9 T. T.. T. (in mm)

68 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS Part Number PLMH PLMS PLMS PLMS PLMS PLMS ated Current (A) * Impedance (Ω) (Typ.) at MHz 9 DC esistance (Ω) max !impedancefequency CHAACTEISTICS (TYPICAL) Common Mode H S S S S S S S S S S Differential Mode S ated Voltage (Vdc) Withstand Voltage (Vdc) Insulation esistance (MΩ) min. Operating Temp. ange (D) Y to W8 *When the PLMS used in operating temperatures exceeding +7D, derating of current is necessary. Please apply the derating curve shown above according to the operating temperature.!deating (PLMS) Derated Current (ma) C 8 C Operating Temperature ( C) 7

69 This is the PDF file of catalog No.CE. No.CE.pdf.. CHIP VAISTO Chip Varistor VCM/ Series Ultra Small Size Surge Absorb Components The surge test on electronic equipment tends to be popular because of the regulation for immunity. This situation require surge absorb components smaller dimension, lower cost and higher performance. VCM/ are designed as absorbing devices which, with MUATA's advanced technic, has higher performance in spite of its small dimension. VCM/ absorbs surge voltage, results to protect circuit simply by inserting between surge entrance line and ground line.!featues. It is effective in high density packaging, because of smaller dimension than diode which is generally used as surge countermeasure devices.. The small clamping voltage ratio enables effective absorption of surge noise.. VCM can be applied in high speed signal line, because its capacitance is relatively small.. The large peak current of VCM, up to A, enables high reliability against surge.. VCM can be applied to ISO77. Test pulse condition.. The nickel barrier structure of the external electrodes provides excellent solder heat resistance. Both flow and reflow soldering methods can be applied.!applications Surge absorption in communication ports such as S C Motor/relay noise absorption Electro static protection in I/O port of computers!pat NUMBEING (Please specify the part number when ordering.) VCM!DIMENSIONS VCM VCM.T..8T..T..8T. EIA Code : VCM.T..T..T..T. (Ex.) VCM 8 A q w e r qtype wstyle eated Voltage rclass No. tpeak Pulse Current ypackaging Code PT : Taped PB : Bulk package t PT y!equivalent CICUIT DIAGAM EIA Code : 8 (in mm) The VCM series has no polarity 8

70 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS Part Number ated Voltage (Vdc) Varistor Voltage VmA (V) Clamping Voltage (V max.) Peak Pulse Current 8/µs (A) Energy ating (J) ESD Test (pf, Ω) Capacitance MHz (pf) Operating Temp. ange (D) VCMA VCM8A VCM8A. 8 9T 9T T. (VA) (VA) (VA).. 8kV, times kv, times 7T% T% T% Y to W!VOLTAGECUENT CHAACTEISTICS (TYPICAL) VCM VCM VCM8A Voltage (V) VCMA Voltage (V) 7 Current (A) 7 Current (A) 9

71 This is the PDF file of catalog No.CE. No.CE.pdf.. Notice of Chip EMIFIL /Chip Varistor! CAUTION. ated Current/ated Voltage/Operating Temperature Don't use products beyond the rated current, the rated voltage and the operating temperature range, or, a fire may result due to the deterioration of the insulation resistance, excessive heat, etc.. Mounting Density Give special attention when mounting products close to other product that radiate heat. The excessive heat by other products may cause deterioration of insulation resistance and excessive heat at this product, resulting in the fire.!notice. Standard Land Pattern Dimensions The capacitor type chip EMI suppression filters (NFM/NFA series) suppress noise by conducting the highfrequency noise element to ground. Therefore,to obtain maximum performance from these filters,the ground pattern should be made as large as possible during the PCB design stage. As shown below,one side of the PCB is used for chip mounting,and the other is used for grounding. Small diameter feedthrough holes are then used to connect the grounds on each side of the PCB. This reduces the highfrequency impedance of the grounding and maximizes the filter's performance. Copper Foil Pattern esist (in mm) BLM//// eflow and Flow for Mounting Alone BLM Series (Except P, P, P) c c BLMP/P/P d (Pattern) a b Type Size(mm) L W a b c *BLM (eflow)....y.. BLM (Flow)..8.7.Y..7 BLM (eflow) y..7 BLM....Y.. BLM....Y.. BLM....Y.. *BLM is specially adapted for reflow soldering Don't apply narrower pattern than listed above to BLMP. Narrow pattern can cause excessive heat or open circuit. Type ated Current (A). BLMPSG. BLMPSG. BLMPS/..Y.. BLMPSG. BLMPSG BLMPSG. BLMPS/ BLMPSG..Y... BLMP9SG BLMPSG. BLMP8S. BLMPSG. BLMP7SG..Y.. BLMP7S/. BLMP8SG BLMPS. #Please contact us if using thinner land pad than 8µm. a b a b Size(mm) Land pad thickness c and Dimension d 8µm µm 7µm.... BLA Flow Mounting in High Density eflow and Flow c BLM/ e a b d. Pitch Type BLM BLM a.. b. to.. to. Type c.. d..8 e...8 pitch The excessive heat by land pads may cause deterioration at joint products with substrate.. 7

72 This is the PDF file of catalog No.CE. No.CE.pdf.. Notice of Chip EMIFIL /Chip Varistor Copper Foil Pattern esist (in mm) NFM// // NFMP/P/ P NFM89 VFM eflow and Soldering Chip Mounting Side Small Diameter Thru Hole φ. φ. d Back Side Ground Pattern Flow and Soldering Chip Mounting Side Back Side a Connect to Ground Pattern of Mounting Side. NFAG NFAD NFA NFA8 eflow Soldering NFAG/NFAD. eflow and Flow NFA. to. is preffered to obtain high voltage withstanding NFMG/NFAD is specially adapted for reflow soldering...8 Pitch.8... NFA8.. (8.89) Pitch Small Diameter. Thru Hole φ.yφ. to be Connected to Ground Pattern of Back Side..7 Pitch NFM NFM eflow and Flow NFM Chip Mounting Side Back Side eflow Soldering NFM Small Diameter Thru Hole (φ.yφ.) Connect to Ground Pattern of Mounting Side..... f Small Diameter Thru Hole φ. φ. Ground Pattern b c. e g g Typ Dimensions (mm) a b c d NFM/89 NFMP NFM/ /P NFM//P VFM NFM/89/P is specially adapted for reflow soldering. Typ a b c d NFM/ /P NFM//P VFM a.. b.. Connect to Ground Pattern of Mounting Side. Dimensions (mm) c d e f.. g.. Ground pattern.... NFM is specially adapted for reflow soldering. 7

73 This is the PDF file of catalog No.CE. No.CE.pdf.. Notice of Chip EMIFIL /Chip Varistor Copper Foil Pattern esist (in mm) NFM NFMH eflow Soldering Chip Mounting Side Back Side Flow Soldering Chip Mounting Side Back Side Small Diameter Thru Hole (φ.yφ.) Connect to Ground Pattern of Mounting Side. Small Diameter Thru Hole (φ.yφ.) Connect to Ground Pattern of Mounting Side Ground Pattern Ground Pattern NFMP eflow Soldering Chip Mounting Side Back Side Small Diameter Thru Hole φ. φ. Ground on back side should be designed to be as large as possible. Connect to Ground Pattern of Mounting Side.. Ground Pattern..7.7 NFMP is specially adapted for reflow soldering. Please contact us if using thinner land pad than 8µm. PLPS PLMK PLWS PLM eflow and Flow PLPS PLMK eflow Soldering PLWS. PLM : If the pattern is made with wider than.mm, it will result to let components turn around, because melting speed is different. In the worst case, short circuit between lines may be occured. : If the pattern is made with wider than.mm, the strength of bending will be reduced. PLWS/PLM is specially adapted for reflow soldering VCM VCM eflow and Flow Chip Mounting Side Ground Pattern Small Diameter Thru Hole φ.yφ. Back Side Ground om back side should be designed to be as large as possible. Connect to Ground Pattern of Mounting Side c a b Type Flow VCM eflow VCM Size (mm) a b c Ground Pattern 7

74 This is the PDF file of catalog No.CE. No.CE.pdf.. Notice of Chip EMIFIL /Chip Varistor. Solder Paste Printing and Adhesive Application When reflow soldering the chip EMI suppression filter,/chip varistor, the printing must be conducted in accordance with the following cream solder printing conditions. If too much solder is applied, the chip will prone to be damaged by mechanical and thermal stress from the PCB and may crack. In contrast, if too little solder is applied, there is the potential that the termination strength will be insufficient, creating the potential for detachment. Standard land dimensions should be used for resist and copper foil patterns. When flow soldering the EMI suppression filter/chip Varistor, apply the adhesive in accordance with the following conditions. If too much adhesive is applied, then it may overflow into the land or termination areas and yield poor solderability. In contrast, if insufficient adhesive is applied, or if the adhesive is not sufficiently hardened, then the chip may become detached during flow soldering. Series BLM//// BLA VCM/ Solder Paste Printing Ensure that solder is applied smoothly to a minimum height of.mm to.mm at the end surface of the part. Coat the solder paste a thickness of µm to µm. (in mm) Adhesive Application Coating amount is illustrated in the following diagram... mm min. PCB Chip Ferrite Bead Bonding Agent Land a: 7µm b: µm c: µm a b c NFM// // NFMP/P/ P NFM89 VFM Coat the solder paste a thickness of µm to µm (NFMP////P/89), and µm to µm (NFM//P, VFM). Use HA solder for pattern printing. NFM/89/ P NFM/ /P Apply.mg for NFM//P, VFM and.mg for NFM//P of bonding agent at each chip... NFM// P/VFM NFA/8 NFAG NFAD Coat the solder paste a thickness of µm (NFAG/ D) and µm (NFA) and µm (NFA8). Use HA solder for pattern printing. Bonding Agent Coating Position of Bonding Agent Apply.mg to.9mg for NFA8 and.mg to.mg for NFA of bonding agent at each chip, and ensure not to cover electrodes. NFAG/D.. NFA... NFA Pitch.8 Pitch Bonding agent..7 Pitch NFMP Coat the solder paste a thickness of µm. Use HA solder for pattern printing

75 This is the PDF file of catalog No.CE. No.CE.pdf.. Notice of Chip EMIFIL /Chip Varistor (in mm) Series Solder Paste Printing Adhesive Application NFM NFM Coat the solder paste a thickness of µm (NFM) and µm (NFM). Use HA solder for pattern printing. Apply.mg of bonding agent at each chip Bonding Agent Coating Positon of Bonding Agent NFM/H Coat the solder paste a thickness of µm. Use HA solder for pattern printing. Apply.mg of bonding agent at each chip PLPS PLMK Coat the solder paste a thickness of µm. Use HA solder for pattern printing. Apply.mg of bonding agent at each chip Bonding Agent Bonding Agent... Bonding Agent Coating Position of Bonding Agent PLWS Coat the solder paste a thickness of µm. Use HA solder for pattern printing... PLM..7 Coat the solder paste a thickness of µm. Use HA solder for pattern printing

76 This is the PDF file of catalog No.CE. No.CE.pdf.. Notice of Chip EMIFIL /Chip Varistor. Standard Soldering Conditions () Soldering Methods Use flow and reflow soldering methods only. Use standard soldering conditions when soldering chip EMI suppression filters, Chip Varistor. In cases where several different parts are soldered, each having different soldering conditions, use those conditions requiring the least heat and minimum time. () Soldering Temperature and Time To prevent external electrode solder leaching and performance deterioration, solder within the temperature and time combinations illustrated by the slanted lines in the following graphs. If soldering is repeated, please note that the allowed time is the accumulated time.,,,,,,,,,,,,, Allowable Flow Soldering Temperature and Time Temperature (D) Temperature (D) BLM/// BLA PLMK PLPS NFM VCM NFMH VCM VFM NFM/ NFM/ NFMP/P NFA/8 NFM Time (sec.), Allowable eflow Soldering Temperature and Time NFM NFM NFMH VCM/ VFM PLMK PLM BLM PLPS NFM/ BLA NFM/ NFMP/P/P/P NFA NFM89 NFM/ PLWS 7 8 9,,Time (sec.) () Solder and Flux Solder : HA HA solder (JIS 8) Flux : Use osinbased flux (when using A type solder, clean products sufficiently to avoid residual flux. : Do not use strong acidic flux (with chlorine content exceeding.wt%). : Do not use watersoluble flux. () eworking with Soldering Iron The following conditions must be strictly followed when using a soldering iron. Preheating : D, minute Soldering iron : W max. Tip Temperature : 8D max. Soldering Time : second max. Do not allow the tip of the soldering iron to contact the chip directly. For additional methods of reworking with soldering iron. Please contact Murata engineering. () Soldering Conditions Flow Solder (Wave Solder) Temperature (D) Series BLM,BLA NFA/8 NFM/ NFM/ NFMP/P NFM NFM(H) VFM VCM/ PLMK PLPS eflow Solder Temperature (D) C 8 C Series NFM(H)/ BLM, BLA NFA NFM// NFM/ NFMP/P/P NFM VFM PLMK/ PLPS PLWS NFM89 VCM/ Flow Solder (Wave) Profile Gradual Cooling Preheating Soldering (in air) max. Temp. C sec. min. T Preheating (D) sec. min. Soldering Tim (T) sec. max. sec. max. eflow Solder Profile Gradual Cooling Preheating Soldering (in air) T sec. min. T Preheating (D) sec. min. sec. max. max. Temp. C Soldering Temp. (D) Soldering Time (T)(8D) (T)(D) D, sec. max. sec. max. sec. max. 7

77 This is the PDF file of catalog No.CE. No.CE.pdf.. Notice of Chip EMIFIL /Chip Varistor. Cleaning Following conditions should be observed when cleaning chip EMIFIL. () Cleaning temperature : D max. (D max. for CFC alternatives and alcohol cleaning agents) () Ultrasonic Output : W/l max. Duration : minutes max. Frequency : 8 to khz () Cleaning agent The following list of cleaning agents have been tasted on the individual components. Evaluation of final assembly should be completed prior to production. Do not clean PLM, PLWS series. As for details of cleaning, please contact us.. CFC alternatives and alcohol cleaning agents Isopropyl alcohol (IPA) HCFC. Aqueous cleaning agent Surface active agent (Clean Thru 7H) Hydrocarbon (Techno Cleaner ) High grade alcohol (Pine Alpha STS)* * VFM/VCM/ series cannot be cleaned with high grade alcohol type aqueous cleaning agent. Alkaline saponifier (Aqua Cleaner cleaner should be diluted within % using deionized water.) () Ensure that flux residue is completely removed. Component should be thoroughly dried after aqueous agent has been removed with deionized water. () Some products may become slightly whitened. However, product performance or usage is not affected. For additional cleaning methods, please contact Murata engineering.. Operating Environment Do not use products in corrosive gas such as chlorine gas, acid or sulfide gas.. Storage and Handling equirements Storage Period Produces should be used with in months. Since after our inspection, which can be confirmed with inspection No. marked on the container. Solderability should be checked if its period is over. (NFMP/P, VCM series should be used within months) Storage conditions a) Storage temperature : Y to WD elative humidity : to 7% Avoid sudden changes in temperature and humidity. b) Do not store products in corrosive gas such as chlorine gas, acid or sulfide gas. 7

78 This is the PDF file of catalog No.CE. No.CE.pdf.. Tape Dimensions of Chip EMIFIL /Chip Varistor (EIAJC9B) Missing components number The number of missing components are within piece or.% of specified quantity per reel. BLM, NFM//P, NFM/H, VFM (mm width plastic tape) The missing components are not continued. The specified quantity per reef are kept. BLM///, BLA, NFM/89///P//, VCM/, PLPS, PLWS PLMK (8mm width paper/plastic tape) *BLM :.±..±. c *.±..±. φ. +. d Paper Tape ( ) There are holes in the cavities of the BLMBS/7S/BLM only. φ. +. b a Please contact us for BLM/ in bulk case..7±..±. 8.±. Direction of Feed.±..±..±. φ. +.. a.7±..±..±. c c (in mm) Part Number BLM BLM BLM (Except BS/B7S) BLA NFAG/D NFMP BLM BS/B7S BLM (A7S) NFM/89 NFM//P NFM/ VCM VCM PLMK PLPS PLWS Part Number BLM NFM// P NFM/H VFM a Cavity Size b Cavity Size Minimum Quantity (pcs/reel) a.8 b.9 c.7 φ8mm, φmm 8, c.8.. (.7) d Minimum Quantity (pcs/reel) Type φ8mm,,,,,,,,) (,),,,,,,,,,, φmm,,,,,,) (8,) Paper Plastic 8, ( ) There are holes in the cavities of the BLM only. φ. +. b Direction of Feed (in mm) NFA, NFMP, PLM (mm width plastic tape) 8.±..±..±. b φ. +. (NFMP : φ.7±.) a φ. +..7±..±. Direction of Feed PLM is arranged in this direction of circuit in the tape..±.. c (in mm) Part Number NFA NFMP PLMS (PLMH) a... (.) Cavity Size b... (.) c...7 (.) Minimum Quantity (pcs/reel) φ8mm,,, φmm, NFA8 (mm width plastic tape) 8.±..±..8 φ. +..7±..±..±.. Minimum Quantity (order in sets only) :,pcs./reel (φ8mm),pcs./reel (φmm) φ Direction of Feed. (in mm) 77

79 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES Ferrite Bead Inductor BL// Series EMIFIL is the trademark of Murata Manufacturing Co., Ltd. BL// series have put their lead through ferrite beads to produce a high frequence loss for suppression of noise. Simple construction and easytouse. Effective for low impedance circuits such as of power supply and ground. Effective also for overshoot of digital signal in clock or the like, preventing undershoot and suppressing of higher harmonic wave. Suitable for prevention of abnormal oscillation at high frequency amplifying circuit.!pat NUMBEING (Please specify the part number when ordering.) (Ex.) BL N q w e qbead Inductor wseries Name ( : Axial type, : adial type, : adial compact type) ebead Characteristics, Quantity rlead Configuration r BL BLN BLN BLN BLN BLN " Operating Temp. ang to 8D!DIMENSIONS (Please refer to pages 9 to 9 for taping specs.) BLN 9max..T. BLNA φ.t. min.. φ. min. min. Fig. 7.max..T.8 BLN 7.max. min..t. φ. 7.max..T.8 Fig. min. φ. Fig. BLN 9max..T. BLNAB BLN 8max..T. max. min. φ. φ. T.. Fig. φ.t..7t. max..t.8 Fig. min. φ..t.8.max. Fig. BLN 8.max..max. min. φ..t.8 Custom size of lead length is available. Please contact us. Fig. 7 (in mm) 78

80 This is the PDF file of catalog No.CE. No.CE.pdf.. Axial Type BL adial Type BLN!FEATUES. educes onboard height because of axial lead.. PCB pattern can be designed underneath since the specific resistance of the material is great enough.!atings (Please refer to pages 9 and 9 for taping specs.) Part Number Type ated Current Dimensions BLNA Straight 7A Fig. BLNAB Bent 7A Fig.!FEATUES " educes mounting area because of radial lead.!atings (Please refer to pages 9 and 9 for taping specs.) Part Number BLN BLN Type SingleCrimp DoubleCrimp ated Current 7A 7A Dimensions Fig. Fig.!FEQUENCY CHAACTEISTICS "BLN Impedance [Ω] 8. Frequency [MHz]!FEQUENCY CHAACTEISTICS "BLN Impedance [Ω] 8. Frequency [MHz] adial Type BLN!FEATUES. educes mounting area because of radial lead.. More effective noise suppression by using two beads.!atings (Please refer to pages 9 and 9 for taping specs.) Part Number Type ated Current Dimensions BLN Straight 7A Fig. BLN InCrimp 7A Fig.!FEQUENCY CHAACTEISTICS "BLN Impedance [Ω] 8. Frequency [MHz] Compact adial Type BL!FEATUES. Can be mounted at. mm pitch.. educes mounting area because of radial lead.!atings (Please refer to pages 9 and 9 for taping specs.) Part Number ated Current Dimensions BLN A Fig.7!FEQUENCY CHAACTEISTICS "BLN Impedance [Ω] 8. Frequency [MHz] 79

81 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES DiscType EMIFIL DS Series EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Compact, high performance EMI suppression filters, DS series can be mounted at.mm pitch. Excellent costperformance and compact enough to be applied to any type of equipment. DS DSS (Straight) DSS (Incrimp)!FEATUES. Because of its high noise suppression effect, it can be safely used even where adverse electromagnetic fields exist.. Plate type dielectric plus terminal construction produces excellent highfrequency characteristics.!applications. Helps office equipment (such as facsimiles, PPCs, electronic typewriters) meet FCC, VCCI and VDE regulations.. Helps peripheral equipment (such as computers and displays, FDDs, printers) meet the FCC, VCCI and VDE regulations.. Digital TVs, VCs.. Improves noise resistance of automotive electronics.!equivalent CICUIT () or () () or () Input Output () Ground (Center Terminal) The DS series has no polarity.!pat NUMBEING (Please specify the part number when ordering.)!atings Item ated Values (Ex.) DS YS q w e r t qdisc Type EMIFIL wferrite Bead Mounting Condition : Blank : Without beads S : Inside etype rlead Configuration : Straight : Incrimp y M u i ttemperature Characteristics ycapacitance ucapacitance Tolerance iated Voltage ated Voltage ated Current Withstand Voltage Operating Temperature ange Storage Temperature ange Y Vdc A Y Vdc Y to W8D Y to W8D!DIMENSIONS.±..±. DS Series 7.max. () () ().min. Fig.8 (Please refer to pages 9 to 9 for taping specs.).max. 8.max. φ. φ.8.t. Proper Mounting Hole Layout.±..±. DSS Series (Straight) 8.max. () () ().min. Fig.9.max. 7.max. φ..±..±. DSS Series (Incrimp) 8.max. () () () " Pitch spaces between lead wires are determined at the roots of filters as it is difficult to determine the spaces at the tips of wires. " The lower face of dielectrics may sometimes be exposed. " Leads shorter than standard length are also available. Please contact for further details. φ.8.t. Proper Mounting Hole Layout.max..min. Fig..max. φ. φ.8.t. Proper Mounting Hole Layout (in mm) 8

82 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS (Please refer to pages 9 to 9 for taping specs.) Part Number Insertion Loss Graph Capacitance Capacitor ated Volt. Temp. Char. Ferrite Beads Dimension DSYSM Fig. pft% DSYSM DSYS7M Fig. Fig. pft% 7pFT% DSYSM DSYS7M Fig. Fig. pft% 7pFT% Vdc T% None Fig. 8 DSYSM Fig. pft% DSYSM Fig.7 pft% DSF Fig.8 pft 8 % T 8% DSSYSM Fig., pft% DSSYSM Fig., pft% DSSYS7M DSSYSM DSSYSM Fig., Fig., Fig., 7pFT% pft% pft% T% DSSYSM DSSYS7M Fig., Fig., 7 pft% 7pFT% Vdc Incorporated Fig. 9, Fig. DSSYS7M Fig., 8 7pFT% DSSYSM Fig., 9 pft% DSSYU Fig., pft 8 % T % DSSFN Fig., pft% T 8% DSSF Fig., pft 8 % Vdc T 8% part shows lead form. ( : Straight Type, : Incrimp Type)!INSETION LOSS CHAACTEISTICS DSS Series Insertion Loss Measuring Circuit 9 8 Ω S.G. Ω db Attenuator Sample Ω db Attenuator Ω F Voltmeter Insertion Loss [db] 8 7. Frequency [MHz] Fig. DS Series DSS Series Insertion Loss [db] Insertion Loss [db] Frequency [MHz] Fig.. Frequency [MHz] Fig. 8

83 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Wide Band DiscType EMIFIL DS Series High Performance EMI Filter. Large Suppression Effect for Meeting Various Noise egulations. DS series is a high performance EMI filter made of large, high performance ferrite bead cores and ceramic capacitors all produced by Murata's unique technology. DS series offers excellent noise suppression and meets various safety standards, such as FCC and CISP.!FEATUES. By using large ferrite beads, higher attenuation can be obtained in a wide band.. Safe to use even under high rated voltage and in electromagnetic environment.. Due to the use of plate type dielectrics, residual inductance is small and high frequency characteristics are excellent.. High speed mounting can be made by auto insertion machine.. Mountable on PCBs. General cost performance is excellent.!applications Suppression of unwanted radiation from computers, peripherals, printers, FDD, wordprocessors, etc. Improvement of noise resistance of car electronic devices such as engine controllers, radios, etc. Facsimiles, PPCs, electronic typewriters, other office equipment. Noise suppression of other general digital equipment. Meet VCCI, FCC, CISP, and other regulations. DS DST DSS!PAT NUMBEING (Please specify the part number when ordering.) (Ex.) DS YS q w!equivalent CICUIT () or () Input e r t qdisc Type EMIFIL wferrite Bead Mounting Condition : Blank : Without beads T : Outside S : Inside etype y () Ground (Center Terminal) The DS series has no polarity. M u i rlead Configuration ttemperature Characteristics ycapacitance ucapacitance Tolerance iated Voltage () or () Output!DIMENSIONS (Please refer to pages 9 to 9 for taping specs.).max. 9.max. DS Series.max..min..max..T..T..T..max. 9.max. DST Series.max.!ATINGS Item ated Voltage ated Current Withstand Voltage Operating Temperature ange ated Values Y Vdc 7A Y Vdc Y to W8D.T. φ.8y φ.8y.t. Proper.T..T. φ.8y Mounting Hole Proper.T. Layout Mounting Hole Proper.T..T. φ..t. Layout Mounting Hole.T. φ. φ. Layout () () () () () () () () () Fig. Fig. Fig. " Pitch spaces between lead wires are determined at the roots of filters as it is difficult to determine the spaces at the tips of wires. " For lead types, the product with terminals arranged inline and the taping products other than above mentioned ones are available. " Coating extending on leads does not exceed the tangent line. Exposed electrode, if any, covered by solder,etc. " Leads shorter than standard length are also available. Please contact for further details. (in mm).min. Ferrite bead.max..t..t..t..max..max. DSS Series.max..min. Ferrite bead 7.max..T..T..T. 8

84 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS (Please refer to pages 9 to 9 for taping specs.) Part Number Insertion Loss Graph Capacitance Capacitor ated Volt. Temp. Char. Ferrite Beads Dimension DSYS7M Fig.7 7pFT% V DSYSM DSYSS Fig.8 Fig.9 pft% pft % V V None Fig. DSTYS7M Fig.7 7pFT% V DSTYSM Fig.8 pft% V Outside Fig. DSTYSS Fig.9 pft % V DSSYSM Fig. pft% V T% DSSYS7M Fig. 7pFT% V DSSYSM DSSYS7M Fig. Fig.7 pft% 7pFT% V V Inside Fig. DSSYSM DSSYSS DSYSM * Fig.8 Fig.9 Fig. pft% pft % pft% V V V None Fig. DSSBLM * DSSDLS * Fig. Fig. pft% pft % * With larger capacitance, ideal for decoupling. * Designed exclusively for audio IF circuits V V T% T % Inside Fig.!INSETION LOSS CHAACTEISTICS YS7M Series YSM Series YSS Series Insertion Loss [db] 8 DSYS7M DSTYS7M DSSYS7M (Singleside P.C.B) DSSYS7M (Throughhole P.C.B).... Insertion Loss [db] DSYSM DSTYSM DSSYSM (Singleside P.C.B) 8 DSSYSM (Throughhole P.C.B).... Insertion Loss [db] DSYSS DSTYSS DSSYSS (Singleside P.C.B) 8 DSSYSS (Throughhole P.C.B).... Frequency [MHz] Frequency [MHz] Frequency [MHz] Fig.7 Fig.8 Fig.9 BLM/DLS YSM/YS7M/YSM YSM Insertion Loss [db] 8 DSSBLM DSSDLS Insertion Loss [db] 8 DSSYSM DSSYS7M DSSYSM Insertion Loss [db] Frequency [MHz] Fig. Frequency [MHz] Fig. Frequency [MHz] Fig. 8

85 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Heavy Duty DiscType EMIFIL DSH Series High Performance EMI Suppression Filter with Vdc ated Voltage DSH series is a high performance EMI suppression filter made of large, high performance ferrite bead cores. This series for the circuits where the DS series and the BL series are less effective and where the high rated voltage is required.!featues. By using large ferrite beads, higher noise suppression effect can be obtained in a wide band.. Safe to use even under high rated voltage and in electromagnetic environment.. Due to the use of plate type dielectric and of terminal construction, high frequency characteristics are excellent.!applications Improved noise resistance for automotive electronics. Helps office equipment (such as facsimiles, PPCs, electronic typewriters) meet FCC, VCCI and VDE regulations. Digital noise suppression for microcomputer controlled home appliance products, and improvement of noise resistance of microcomputer. Digital TVs, VCs.!PAT NUMBEING (Please specify the part number when ordering.) (Ex.) DS H B q w e r t y qdisc Type EMIFIL wferrite Bead Mounting Condition : Blank : Without beads T : Outside S : Inside etype u M i o rseries Classification tlead Configuration ytemperature Characteristics ucapacitance icapacitance Tolerance oated Voltage!EQUIVALENT CICUIT!ATINGS DSH DSTH DSSH () or () () or () Input Output () Ground (Center Terminal) The DSH series has no polarity. Item ated Values ated Voltage Vdc ated Current A Withstand Voltage Vdc Operating Temperature ange Y to WD Storage Temperature ange Y to WD!DIMENSIONS DSH Series (Please refer to pages 9 to 9 for taping specs.) DSTH Series DSSH Series.max..T..T. 9.max. () () ().max..min..t. Fig..max..T..T..T. φ.8y Proper Mounting Hole Layout φ..max..t..t. 9.max. () () ().min..max. Ferrite bead.t. Fig..max..T..T..T. φ.8y Proper Mounting Hole Layout φ..max..t..t..max. () () ().max..min. Ferrite bead.t. Fig. 7.max..T..T..T. φ.8y Proper Mounting Hole Layout φ. " Pitch spaces between lead wires are determined at the roots of filters as it is difficult to determine the spaces at the tips of wires. " For lead types, the product with terminals arranged inline and the taping products other than above mentioned ones are available. " Coating extending on leads does not exceed the tangent line. Exposed electrode, if any, covered by solder,etc. " Leads shorter than standard length are also available. Please contact for further details. (in mm) 8

86 This is the PDF file of catalog No.CE. No.CE.pdf..!SPECIFICATIONS (Please refer to pages 9 to 9 for taping specs.) Part Number Insertion Loss Graph Capacitance Tolerance Capacitance Temperature Characteristic Y to W8D Y to WD Ferrite Beads Dimension DSHBM Fig. None Fig. DSTHBM DSSHBM DSHBM DSTHBM DSSHBM DSHB7M DSTHB7M DSSHB7M DSHBM DSTHBM DSSHBM Fig.7 Fig.8 Fig. Fig.7 Fig.8 Fig. Fig.7 Fig.8 Fig. Fig.7 Fig.8 pft% pft% 7pFT% pft% T% T% T% Outside Inside None Outside Inside None Outside Inside None Outside Inside Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig. Fig.!INSETION LOSS CHAACTEISTICS (Central Value : Ω system) Insertion Loss [db] DSH Series 8 7. Frequency [MHz] Fig. DSSH Series Insertion Loss [db] 8 DSTH Series. Frequency [MHz] Fig.7 7 Insertion Loss [db] 8 7. Frequency [MHz] Fig.8 8

87 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMIFIL is the trademark of Murata Manufacturing Co., Ltd. EMIGUAD VF/DSS7/DSS7 Series Terminal varistorcapacitor EMI filter. Enables simultaneous EMI suppression and surge protection The EMIGUAD VF, DSS7, and DSS7 series EMI suppression filters incorporate capacitors that have a varistor function to enable simultaneous EMI noise suppression and surge protection functions. These varistorenabled capacitors act not only as bypass capacitors against noise but also as surge protectors that route most of the surge current from high voltage power surges to ground to protect the circuits. Furthermore, the threeterminal structure provides excellent performance characteristics in the highfrequency range, making these filters effective against highfrequency noise and short risetime surges which are difficult to combat with ordinary capacitors and varistors. The VF series is for protecting semiconductor devices, the DSS7 series is for use on signal lines, and the DSS7 series is for use on power supply lines.!pat NUMBEING (Please specify the part number when ordering.) " VF Series (Ex.) VF AY q " DSS7 Series " DSS7 Series w qtype wlead Configuration ( : Bulk, : Taped) echaracteristics rated Voltage e (Ex.) DSS7 D q w qtype wlead Configuration etemperature Caracteristics rcapacitance Tolerance tated Voltage yvaristor Voltage e r M r (Ex.) DSS7 D S q w e qtype wtemperature Caracteristics ecapacitance Value rcapacitance Tolerance tated Voltage yvaristor Voltage r t t y y VF For Semiconductor Protection DSS7 For Signal Lines DSS7 For Power Lines!DIMENSIONS (Please refer to pages 9 and 9 taping specs.) VF Series No. Pin Indicator (Surge entrance side) DSS7 Series.±..T. DSS7 Series.±..T..max..T..T. 8.max. () () () 8.max. () () ().max. () () ().max..min..max..min..max..min. Ferrite bead.t..max. φ.±..max. 7.max..max. φ.8y.t. Proper Mounting Hole Layout.max. φ. φ.8y.t. Proper Mounting Hole Layout.T. φ.8y Proper Mounting Hole Layout φ..t. (in mm) 8

88 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMIFIL is the trademark of Murata Manufacturing Co., Ltd. EMIGUAD for Semiconductor Protection VF Series!FEATUES. Absorb ESD surge rushed into IC's I/O terminal efficiently, protect IC from destruction.. Thin and low height shape enables high density mounting. [The volume ratio 7% in comparison with conventional EMIFIL (DSS)]!APPLICATIONS Elimination of noise and protection of semiconductors in office equipments, including computers and peripheral equipments, copy machines, and communication terminals.!applications (VF AY ) Item ated Voltage (Between Terminals ()()) Varistor Voltage (Between Terminals ()()) ated Current (Between Terminals ()()) Peak Pulse Current (Between Terminals ()()) ESD Test (pf, Ω) (Between Terminals ()()) Specification Vdc VdcT% madc A kv times Item Capacitance (Between Terminals ()()) Capacitance Temp. Char. Insulation esistance (Between Terminals ()()) DC esistance (Between Terminals ()()) Operating Temp. ange Specification pft% T % MΩ min. ΩT% Y to W8D!INSETION LOSS CHAACTEISTICS (TYPICAL)!APPLICATION Incoming surge of static electricity Insertion Loss [db] For input terminal ESD surge incoming terminal 7 Frequency [MHz] " INSETION LOSS MEASUING CICUIT Measurement is performed by using ΩkΩ measuring circuits in order to match operating conditions of the digital signal circuit. For output terminal Please connect st terminal (marked terminal) to ESD surge incoming line. (Please pay attention for direction.) Ω Sample Impedance Transducer (kωω) S.G. Ω F Voltmeter 87

89 This is the PDF file of catalog No.CE. No.CE.pdf..!EAMPLE OF IC POTECTION " Testing Method. Put ESD surge to IC (7 family) input terminal with ESD simulator based on IEC 8.. Check IC's operation.. If IC's operation is normal, increase ESD voltage in kv step.. Continue above steps to till IC's operation become abnormal.!eample OF EMI SUPPESSION EFFECT Test Circuit Signal MHz ACO Shield F Noise adiation Cable (cm) ANT Test Circuit Ω VF Before Countermeasures: No Filters 7 pf Test IC Noise Level [dbµv/m] ESD Simulator 9 7 esult (esult) Break down level [kv] min. LS Without VF,,,,,, ALS AS C IC s Family With use VF HC AC Frequency [MHz] Use VF AY 7 Noise Level [dbµv/m] 9 7 Frequency [MHz] 88

90 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMIGUAD is the trademark of Murata Manufacturing Co., Ltd. EMIGUAD for Signal Lines DSS7 Series!FEATUES. Protects electric circuit from surges such as static electricity, acts as a filter for signal line immunity.. Small size enables it to be mounted at.mm pitch. terminal structure leads to superior high frequency characteristics.. Builtin ferrite bead gives excellent EMI suppression.!applications Elimination of noise and protection of semiconductors in office automation equipment, including computers and their peripheral equipment, copy machines, and communication terminals.!specifications (DSS7DM) Item ated Voltage Varistor Voltage ated Current Peak Pulse Current Specification Vdc VdcT% Adc A Item Capacitance Capacitance Temp. Char. Insulation esistance Operating Temp. ange Specification pft% T % MΩ min. Y to WD!INSETION LOSS CHAACTEISTICS (Ω system)!eample OF HIGHVOLTAGE PULSE ESPONSE Insertion Loss [db]... Frequency [MHz]!VOLTAGECUENT CUVE Voltage [V] Time [ns] Before mounting DSS7 (no filter) V/div ns/div Current [ma] Voltage [V] After mounting DSS7 Peak Voltage: V V/div ns/div (Brings a pulse of kv down to V) 8 8 Voltage [V] Time [ns] Oscilloscope!EQUIVALENT CICUIT DIAGAM Sample Ω Attenuator ()or () Input Output ()or () Inpulse Generator (o=ω) (Pulse Width ns) GND () The DSS7 series has no polarity 89

91 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMIGUAD is the trademark of Murata Manufacturing Co., Ltd. EMIGUAD for Power Lines DSS7 Series!FEATUES Large capacitance values make this series ideal for EMI noise suppression and surge protection both on power supply lines and on lowspeed signal lines.!applications For circuit protection and noise suppression in electronics equipment such as computers and Dc motors and in electronics systems installed in cars such as car audio equipment and engine controllers.!insetion LOSS CHAACTEISTICS (Ω system) Insertion Loss [db] 8.. Frequency [MHz]!SPECIFICATIONS (DSS7DS) Item Specification ated Voltage Vdc Varistor Voltage VdcT% ated Current 7Adc Voltage atio. max.(vma/vma) * ESD Test (pf, Ω) kv, times Capacitance pft % Capacitance Temp. Char.!VOLTAGECUENT CUVE T % (Y to W8D) Insulation esistance MΩ min.(applied DC V) Operating Temp. ange *V : Voltage when ma is applied *V : Voltage when ma is applied Y to WD!EQUIVALENT CICUIT DIAGAM ()or () Input Output ()or () GND () The DSS7 series has no polarity Current [ma] Voltage [V]!APPLICATION Systems Lines to be connected Effects Engine Controllers Power lines, I/O lines for lowfrequency current Protection of systems from excessive voltage. Prevents ignition noise, thunder surges, etc. From causing malfunctions. Automobile Audio Power lines, audio output Protection of systems from excessive voltage. Equipment lines Prevents ignition noise from influeciing audio current. Computers DC Motors Power lines, I/O lines for lowfrequency current Power lines Protection of systems from excessive voltage. Prevents radiation and conduction noise. Prevention of brush noise. 9

92 This is the PDF file of catalog No.CE. No.CE.pdf..!FEATUES Items Overload Surge Test () Surge Test () High Temperature Load *V : Voltage when ma is applied ated values ated Capacitance Change : WithinT% Insulation esistance : kω min. ated of Change in Varistor Voltage V * : WithinT% Voltage ate :. max.!pulsevoltage BEAKDOWN CHAACTEISTIC The DSS7 EMIGUAD use a self healing varistor capacitor, so that it can be used under a to V surge which would break conventional disk type EMI filters. As shown in figure below the EMIGUAD withstands V impulses applied times. Test methods. times the varistor voltage (V) is applied for minutes at room temperature. At room temperature. Surge are applied are times every seconds. Then after or hours, the.7µf V sample is measured. At room temperature. Capacitor.8Ω "C" is changed with 7V, then dischanged to apply the voltage to the C 7V W sample. Tested once (resuming JASO A). C=mF At a temperature of 8±D. The varistor voltage V is continuously applied to the sample for to hours. Then it is left at room temperature, for to hours before measuring.!noise ABSOPTION EFFECT OF EMIGUAD 9 8 : V/div : ns/div Ω Ω % DSS7 Capacitance:.µF with varistor function Waveform when EMIGUAD is not used. (Surge from a noise simulator) esidual ate [%] terminal capacitor Capacitance:.µF with no varistor function Pulse Voltage Applied [V] 8nS V esidual ratio when pulses are applied D S EMIGUAD is used to suppress the surge shown at left. EMIGUAD capable of removing even V surge!tempeatue CHAACTEISTICS OF VAISTO VOLTAGEINSULATION ESISTANCE 9 8 : V/div : ns/div Insulation esistance [MΩ] Insulation resistance Change rate of varistor voltage 9 Temperature [D] + Change ate of Varistor Voltage [%] % Waveform after the noise passed through EMIGUAD. Little noise is recorded. 9

93 This is the PDF file of catalog No.CE. No.CE.pdf..!COMPAATIVE DATA () Absorption of quickrising, highfrequency noise (ns/div, V/div) 9 8 % The terminal structure eliminates most of the lead line inductance. This allows the DSS7 to completely absorb the rising and falling edges of the applied pulses. ns DSS7 V 9 8 % The terminal capacitor is influenced by lead line inductance, leaving behind some of the rising and falling edges. The residual noise can cause system to malfunction. Noise wave applied terminal capacitor (with varistor function) 9 8 As with the terminal capacitor. % Conventional varistor () Absorption of widepulse noise (ns/div, V/div) DSS7 9 8 % Bypassing highvoltage, the varistorcapacitor utilizes its varistor function to suppress surge. Thus, circuits are protected from breakdown. ns Noise wave applied V terminal capacitor (with ferrite bead) 9 8 % Conventional EMI filters do not work for widepulse noise because capacitors are saturated. In this example, the residual V surge can cause system to breakdown. 9 8 terminal capacitor % In case of capacitors, the voltage of the residual surge, V is higher than that of the above example. The wave height is almost the same as the original. 9

94 This is the PDF file of catalog No.CE. No.CE.pdf.. DS9 EMI SUPPESSION FILTES EMIFIL is the trademark of Murata Manufacturing Co., Ltd. EMIFIL for Automatic Insertion DS//H, DSS7/7, VF Series DSS9 (Straight) DSS7 DSS (Incrimp) VF (Incrimp) DS9 DSH9 DST9 DSTH9 DSS79 DSS9 DSSH9 Any Type of bulk DS, DS/H, DSS7/7, VF, series can be taped for automatic insertion.!pat NUMBEING (Please specify the part number when ordering.) (Ex.) DSS DSS 9 YS7M YS7M "Same as the bulk type except the number changed in box. Code Lead length Straight Incrimp (H) 9.mm 9.mm 9 8.mm Part Number Part Number " DS #DSH " DSS " DS #DSS7 " DSS7 ( only) " VF ( only)!atings. Allowable current is A.. All other ratings are the same as those of bulk types. (efer to pages 8 to 9)!MOUNTING HOLE.T..T. φ.!ackaging TYPE AND QUANTITY Part Number VF Series DS/DSS7 Series DS/H Series DST/H Series DSS/H/7 Series (in mm) Minimum Order Quantity (order in sets only) (Pcs.) Flat Pack eel 8 9

95 This is the PDF file of catalog No.CE. No.CE.pdf..!TAPING DIMENSIONS DS9 Type DS/H9 Type W W L P DST/H9 Type W W L DSS/H9 Type DSS79 Type W W P L DSS9 Type W W L P P P P D S F F P φd P P D S F F P φd P P D S P F F φd P P D S F F P φd F F F F W t W W W H t t H t 8. max. (. max.) W H H. max. W. max. W 7. max. W. max. (. max.) h h φd t. max. h h φd 7. max. t t h h φd. max. h h t φd Item Code Dimensions (mm) emarks Pitch of Component P.7 Product inclination S determines tolerance Pitch of Sprocket Hole Length from Hole Center to Component Center Width of Body Deviation along Tape, Left or ight Carrier Tape Width Position of Sprocket Hole Protrusion Length Diameter of Sprocket Hole Lead diameter Total Tape Thickness Total Thickness, Tape and Lead Wire Deviation across Tape Portion to Cut in Case of Defect Hold Down Tape Width Hold Down Tape Position Lead Distance between eference and Bottom Planes Lead Spacing P P P D S W W r D d t t h h L W W H F F.7T..8T.7.T. 7. max. 8. max. 9. max.. max. T. 8.T. 9.T.. W. to Y. φ.t. φ..7t.. max.. max.. max...t...t..t. 8.T..8.T.8..T.. Tape deviation in feeding direction DS DST (S)/DSS7/VF DS (H)/DST (H) DSS (H) DSS7 Tape width deviation φ.±. (VF) Including bonding tape thickness. mm and. mm lengths are also available (Except of DSS7/VF series) DSS Type DSS7 Type W W L P P P D S F F F P φd W. max. (. max.). max. h h φd t H W t VF Type W t W L P P P D S AY P AY AY F F F W φd H. max. W t. max. h h φd φ..t..t. (in mm) 9

96 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMIFIL is the trademark of Murata Manufacturing Co., Ltd. EMIFIL for Automatic Insertion BL// Series BLNT BLNT BLNAT BLNT BLNT BLNT BLNAT Any Type of bulk BL// series can be taped for automatic insertion. (Except for BLNAB)!PAT NUMBEING (Please specify the part number when ordering.) (Ex.) BLN T BLN T BLNA T BLNA T Code T T T T Description adial Type H=.mm adial Type H=8.mm Axial Type Tape Width mm Axial Type Tape Width mm "Same as the bulk type with the only exception of taping specs stated in the box. (NOTE : A applies only when designed as T.)!ATINGS. Allowable current is A.. All other ratings are the same as those of bulk types. (efer to pages 78 to 79)!PACKAGING TYPE AND QUANTITY Minimum Order Quantity (order in sets only) (Pcs.) Part Number Flat Pack eel BLNAT BLNAT BLNT BLNT BLNT BLNT BLNT 9

97 This is the PDF file of catalog No.CE. No.CE.pdf..!TAPING DIMENSIONS BLNAT.±..±. φ. BLNAT.±..±. φ. ±. ±..8max. L + l LL l V. L.±..max..min..8max. L L +. l LL l V..±..max..min. BLNT.7 7.max..±. BLNT.7 8.max..±. 8.±... + BLNT 8.± max max ±..7 9.max. 8.±. 8.±. φ..±. φ. 8.± BLNT 8.± ±..7 9.max...max...max. φ..±. φ..7±..7±. BLNT 8.±. +...max max. 8.±..max. φ..7±. (in mm) 9

98 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMIFIL is the trademark of Murata Manufacturing Co., Ltd. Block Type EMIFIL BNP/BN Series Completely Eliminates Noise in a Wide ange of Complex Circuits from.mhz to GHz Mountable on Any Type of P.C. Board Murata's new block type EMIFIL BNP/BN series completely eliminate noise from extremely wide frequency bands. The BN is perfect for use in DC power circuits, while the BNP is ideal for eliminating noise in logic signal circuits. Both are designed to perform superbly the result of Murata's wide expertise in the fields of throughtype barrier layer capacitors, monolithic chip capacitors and bead inductors. Each block contains a number of compact EMI suppression filters. In addition, the input/output terminals and the grounding terminal are aligned in the same direction, thus permitting fast and easy assembly on any type of P.C. board. BNP [for signal circuit] BN [for DC power supply] BNP BNP BNP BN BN BN!FEATUES. The EMIFIL BNP incorporates throughtype barrier layer capacitors and π circuits, allowing it to obtain significantly large insertion losses throughout an extremely wide frequency range from MHz up to GHz.. The cutoff frequency is designed to be at several MHz, which is ideal for eliminating noise from any circuit in which the signal frequency and the noise frequency are relatively close together.. Since all noise in plural signal lines can be eliminated by one filter block, the filter is extremely compact.. There are no connection routes in the current circuits, thus ensuring highly reliable performance.. Both the input/output terminals and the grounding terminal are aligned in the same direction, permitting fast and easy installation on any type of P.C. board.!applications Noise elimination from signal lines and DC power sources in engine control units, digital equipment and computer terminals.!featues. The EMIFIL BN incorporates a throughtype barrier layer capacitor and a fourterminal capacitor which are interconnected. This combination enables the BN to achieve a significantly large insertion loss throughout the extremely wide frequency range of.mhz to GHz which covers the AM and UHFTV broadcast frequency bands.. The filter is extremely compact since only one filter block is needed to completely eliminate noise from both the positive and negative lines.. There are no connection routes in the current circuits, thus ensuring highly reliable performance.. Both the input/output terminals and the grounding terminal are aligned in the same direction, permitting fast and easy installation on any type of P.C. board.. BN features high dielectric constant, that is the rated voltage V.!APPLICATIONS Noise elimination from DC power sources in a variety of switching power sources, engine control units, digital equipment and computer terminals.!effective FEQUENCY ANGE OF BNP/BN SEIES (IN CASE OF LINE IMPEDANCE Ω) Series BNP BNP ated voltage V V DC.. Signal Pass Band BN BN BN V V V Noise Suppression Band 97

99 This is the PDF file of catalog No.CE. No.CE.pdf.. πtype EMI Suppression Filter BNP Series!SPECIFICATIONS Part Number Number of Circuits Circuit Construction Operating Temp. ange ated Voltage Withstand Voltage ated Current Insulation esistance DC esistance Insertion Loss BNP BNP π Y to WD Vdc BNP Vdc Vdc Adc MΩ min..ω max. ( to D) MHz to MHz : db min. ( to D) MHz to MHz : db min. ( to D)!INSETION LOSS CHAACTEISTICS!INSETION LOSS MEASUING CICUIT Insertion Loss [db] 8 BNP BNP BNP Ω S.G. Ω db Attenuator Sample Ω db Attenuator Ω F Voltmeter. Frequency [MHz] * Method of measurement based on MILSTD.!EQUIVALENT CICUIT BNP BNP BNP!ETENAL DIMENSIONS BNP BNP ±. ±.!DIMENSIONS OF MOUNTING HOLES BNP BNP φ.7.±..±. BNP : Earth Terminal φ..±..±..8±..±..= BNP 7±..± ±. max. 7 φ.8.±..±..±. ±..±. ±..±. ±. (in mm).8±..±..± ±. max. 7.±. φ.8.=.±..±. (in mm) 98

100 This is the PDF file of catalog No.CE. No.CE.pdf.. Wide Band Noise Suppression Filters for DC Power Line BN Series!SPECIFICATIONS Part Number BN BN BN Operating Temp. ange ated Volt. Withstand Volt. ated Current Insulation esistance Vdc Vdc Y to W8D Vdc 7Vdc Adc MΩ min. Vdc Vdc Adc MHz to GHz : db min. MHz to GHz : db min. MHz to GHz : db min. Insertion Loss to D (line impedance=ω)!insetion LOSS CHAACTEISTICS Insertion Loss [db] 8 BN (BN)...!EQUIVALENT CICUIT BN Frequency [MHz]!ETENAL DIMENSIONS.T. φ.8 (φ.)!insetion LOSS MEASUING CICUIT Ω db Attenuator Ω S.G..T..T. 7.T. Balun.8 T. max. (.max.) 8max. (8.max.)!TEMINAL LAYOUT (BOTTOM FIGUE).T. ( )=BN Sample φ.8 (φ.) Ω db Attenuator Ω *Method of measurement based on MILSTD..T.. T..T..T. φ.8 (φ.) (in mm) F Voltmeter () B L L C L C CB () muata B N () PSG CG () CG () CB (),,,,,,,,,!P. C. BOAD PATTENS PSG CG PSG B B PSG CG B CB CG CG B CB ()Y():Terminal Number Use a bilateral P. C. board. Insert the BN into the P. C. board until the root of the terminal is secured, then solder. () FONT VIEW () BOTTOM VIEW CG PSG CG Shield Plate PSG ()!DIMENSIONS OF INSTALLATION HOLES (Marking Side) (PSG) (CG) (CG).±. (B) (CB).±. 7.±. (CG) CG B () () () Terminal Number φ..±..±. (in mm) PSG : Power supply ground CG : Load circuit ground CB : Load circuit + Bias!APPLICATION CICUIT OF BN SEIES B + PSG BN + CB CG This inductor suppresses the noise which enters through the ground. 99

101 This is the PDF file of catalog No.CE. No.CE.pdf.. Method of using the BNP and BN filter blocks, and applications.!using EMIFIL EFFECTIVELY The block type EMIFIL effectively prevents unwanted reflections and external noise from entering the equipment circuitry and power lines by grounding all the high frequency components which make up the noise. Therefore, if grouding is improperly done, the filters may be unable to achieve the performance they are capable of. To prevent this, be sure to observe the following instructions.!application "Suppression of DC side ripple of the switching power supply Switching Power Supply BN +V CG. When designing the P.C. board, use all the available grounding terminals, and arrange the grounding circuit so that the area of the foil for the grounding circuit is maximized.. Minimize the distance between the P.C. board ground and the filter's grounding plate. Use of throughhole P.C. boards.. Whichever P.C. board is used, push the filter into the P.C. board up to the terminal roots.. Do not connect PSG to CG by any other means except through the filter. "When BN is not used ( High frequency noise, max..v, can be seen. ) +.Vaa µs/div.v/div "When BN is used Noise can be almost ( suppressed by BN. ) +.Vaa µs/div.v/div!pat NUMBEING (Please specify the part number when ordering.) (Ex.) BNP Type : BNPYBNP Series Type : BNYBN Series Construction : The series number shows the circuit construction or the filter characteristics. Number of Circuits : Shows the number of circuits, which are constructed one product.

102 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMIFIL is the trademark of Murata Manufacturing Co., Ltd. DC Common Mode Choke Coil PLT/PLT9H Series Compact, Light Weight, Common Mode Choke Coil for DC Power Supplies for Common Mode Noise Suppression for Several MHz to Several Hundred MHz The PLT/PLT9H series DC common mode choke coils are EMI suppression filters that are effective against the common mode noise that can cause radiative noise in power supply lines and interface lines. PLT Unlike capacitorbased filters, these choke coils do not require a grounding terminal, making them applicable in situations where a stable ground cannot be obtained. PLT9H!FEATUES. The high degree of coupling enables effective suppression of common mode noise without appreciably altering the normal mode signal waveforms even when the signal and noise frequencies are close to each other.. Small footprint type.!applications For suppressing noise radiation from interface cables of digital equipment such as computers and computer peripherals. For suppressing noise radiation from the power supply cords of digital equipment that uses AC adapters.!featues. This is a wide frequency range type, applicable in applications ranging from a few MHz to several MHz.. It features a lowprofile design.!dimensions!dimensions M Type Symbol φ.7 Solderd T max. () () () () max. max..max. T. () () () () 7.T. max. (in mm) T 8max. () () φ.max. () () T. Soldered T. (in mm)

103 This is the PDF file of catalog No.CE. No.CE.pdf..!ATINGS Item ating!cicuit DIAGAM ated Voltage Vdc () N () Withstand Voltage (between coils) Insulation esistance (between coils) Vdc MΩ min. () N N : N = : () Operating Temp. ange!specifications Part Number PLTC PLTC PLTC PLT9H Inductance (µh min.)..!pat NUMBEING (Please specify the part number when ordering.) (Ex.) PLT C (Ex.) PLT9H qtype winductance eated Current rstyle PLT D to +D PLT9H D to +8D ated Current (A)!INSETION LOSS CHAACTEISTICS Attenuation [db] PLTC... Frequency [MHz] PLT Series PLTC PLT C Code B A C!EAMPLES OF APPLICATION. Suppression of noise radiating from cables between AC adaptor and main set. Digital Equipment + PLT9H AC Adaptor. Suppression of noise radiating from DC power lines and interface cables. Power Supply Source Digital Equipment Incorporating Micro Compuer power+ PLT9H+V signal GND PLT9H +V signal GND PLT9H Interface Cables!USING EMIFIL EFFECTIVELY To prevent degradation of the noisesuppression effect caused by an imbalance in current, be sure that the reciprocating current is equivalent on each side. IA IA = IB Insertion Loss [db] IB PLT9H. Frequency [MHz] PLT9H Series

104 This is the PDF file of catalog No.CE. No.CE.pdf.. Notice of Lead Type EMIFIL! CAUTION. ated current/ated voltage "Don't use products beyond the rated current and the rated voltage, or, a fire may result due to the deterioration of the insulation resistance, excessive heat, etc.. Mounting holes should be designed as specified in this specifications. Or different design from this specifications may cause cracks in ceramics which may lead to smoking/firing.!notice. Soldering () osinbased flux is to be used. Do not use strong acidic flux with halide content exceeding.wt% (chlorine conversion value). () When soldering, do not exceed seconds and keep to D () When soldering, avoid mechanical stress to main body or lead wire terminal product.. Cleaning.. Do not clean VF, PLT9H, and DSS7 series... Clean other parts on following condition. () Cleaning Temperature: D max.(d max. for CFC alternatives and alcohol cleaning agents). () Ultrasonic Output : W/ max. Duration : minutes max. Frequency : 8kHz to khz () Cleaning agent The following list of cleaning agents have been tested on the individual components. Evaluation of final assembly should be completed prior to production.. CFC alternatives and alcohol cleaning agents. # Isopropyl alcohol (IPA) # HCFC. Aqueous cleaning agent (PLT series cannot be cleaned) # Surface active agent (Clean Thru 7H) # Hydrocarbon (Techno Cleaner ) # High grade alcohol (Pine Alpha STS) # Alkaline saponifier (Aqua Cleaner cleaner should be diluted within % using deionized water). () Ensure that flux residue is completely removed. Component should be thoroughly dried after aqueous agent has been removed with deionized water. () Some products may become slightly whitened. However, product performance or usage is not affected. For additional cleaning methods, please contact Murata engineering.. Operating Environment () Do not use products in corrosive gas such as chlorine gas, acid or sulfide gas. () Do not use products near water, oil or organic solvents, Avoid environments where dust or dirt may adhere to product.. EMIGUAD () VF series is designed only to absorb electrostatic surges. Do not use this product to absorb large energy surges such as lighting or switching related surges. () In ESD test with VF, do not use in the conditions exceeding next conditions. C Y n. { V } <8. n : Number of ESD injection C : Charge/Discharge Capacitance (pf) : Discharge esister (Ω) V : Test Voltage (kv). Storage and Handling equirements () Storage conditions Storage temperature : to +D elative humidity : to 7% Avoid sudden changes in temperature and humidity. () Do not store products in corrosive gas such as chlorine gas, acid or sulfide gas.

105 This is the PDF file of catalog No.CE. No.CE.pdf.. EMC ABSOBE EMC absorber EA// Series Suitable for Micro Wave Absorbing Wide ange from MHz to GHz Thin and Flexible Type EMC Absorber!FEATUES EAxx Series. Excellent elasticity and durability with silicon rubber.. Suitable for prevention abnormal oscillation in high frequency module, suppression suprious spectra and interference between circuits.. Holding easily in equipments with adhesive tape.. EAxx series : UL9V comformity. EAxx/xx Series. Highµ and Highloss characteristics with magnetically shielded can suppress noise in wide frequency band for digital equipments.. Thin (.mm.mm) and flexible sheet makes easy handling in assembly process.. Holding easily in equipments with adhesive tape.. EAxx series : Non Halogen type. EAxx series : UL9V comformity. EA EA/!ATING Part Number Application Frequency (GHz) Thickness (mm) Part Number Application Frequency (GHz) Thickness (mm) EAA.. EA7B. EAA.. EA7A. to.. EAA8 EAA EA7A EAB.. EA7A7..7 EAA. to.. EAA.!EFLECTION LOSS (Typ.) EA Series!MAGNETIC PEMEABILITYELUCTANCE (Typ.) EA/ Series Insertion Loss (db) EA7A7 EAA8 EAA8 EAA EAA µ" Frequency(GHz).. Frequency (GHz)

106 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES EMI Suppression Filter Design Kits EKE/ EKD EKE!EMIFIL Design Kit EKE/D The EMI suppression filter design kit EKE/D has each of the filters in a plastic case to facilitate selection when testing the noise suppression capabilities of the EMIFIL range. The kit can be used equally well either onside or in the laboratory. (When ordering, please use the part number EKE or EKD.) EKE No. Part Number BLMPS BLMPS BLMAS QTY.(pcs.) emark Small Size Large Current BLMAS BLMAS High Impedance BLMAS BLMB7S BLMBS BLMBS BLMBS BLMBS Sharp Impedance Characteristics Suit for HighSpeed Signal Line BLMB8S BLMPS BLMAF BLMAS BLMAF BLMAF BLMBS BLMB7S Chip Ferrite Bead Inductor For Power Line Wide Impedance Variation Suit for HighSpeed Signal Line BLMBS BLMBS BLMBS BLMB7SD BLMBS Sharp Impedance Characteristics Suit for High Speed Signal Line BLMBS BLMB7S 7 BLMPS 8 9 BLMPS BLMP7S For Power Line BLMP8S " Continue to next page.

107 This is the PDF file of catalog No.CE. No.CE.pdf.. No. Part Number NFM9C NFM9C7 NFM9C NFM9C QTY.(pcs.) emark Wide Band Noise Suppression Effect NFM9C7 Small Size Chip Solid EMIFIL NFM9C For Signal Line 7 8 NFM9C NFM9C 9 NFMPC NFMPC For Power Line NFM89C Distributed Constant NFM89C7 Waveform Distortion NFM89C7 Prevention NFM89C NFMP NFMP NFMP NFMP7 NFMP7 NFMP7 Chip EMIFIL for Signal Lines Steep Attenuation Characteristics Suit for HighSpeed Signal Line NFMT Small Size TType NFMT Chip EMIFIL NFMT NFMT NFMT8 Large ated Current For Power Line 7 8 NFMT NFMT NFMT7 TTypeChip EMIFIL " Please use the products in this Design Kit for experiment or test production, but do not use for mass production. When using for mass production, please order them after confirming detailed specifications by approving the appropriate individual specification sheet.

108 This is the PDF file of catalog No.CE. No.CE.pdf.. EKD EKD No. Part Number QTY.(pcs.) emark BN for use in DC BN Power Line BN Block type EMIFIL BNP BNP πtype EMIFIL for Signal Circuit BLNA Axialtype Ferrite Beads 7 BLN Inductor adialtype 8 BLN DSYS7M DSYSM DSYS7M DSYSM DSYSM DSF DSSYSM DSSYS7M DSSYSM DSSYSM DSSYS7M.mm Pitch for Automatic Insertion Miniature Disk Type EMIFIL DSSYSM Terminal DSSYU Capacitor DSSFN DSSF DSYSS DSYSM DSSYSS DSSHBM DDSHBM DSSHB7M DSSHBM DSS7DM DSS7DS VFAY Wide Band Disktype EMIFIL for Noise Suppression Heavy Duty Disktype EMIFIL Varistorcapacitor PLTC DC Common Mode for use in DC PLTC Choke Coil Power Line PLT9H " Please use the products in this Design Kit for experiment or test production, but do not use for mass production. when using for mass production, please order them after confirming detailed specifications by approving the appropriate individual specification sheet. 7

109 This is the PDF file of catalog No.CE. No.CE.pdf.. EMI SUPPESSION FILTES Chip EMI Suppression Filter Design Kits <Design Kit for individual series> Part Number EKEMUB (BLM Standard type) EKEMUC (NFM Standard type) EKEMUA EKEMUA Contents BLMA/B/P/HA/HB/P/P/P, BLAA/B Series NFM/89/9/P/// NFAG Series BLMA/B Series BLMA/B/A/A Series EKEMUB No Part Number BLMAS BLMAS BLMA7SG BLMAS BLMAS BLMBSA BLMBSA BLMBSA BLMB7SA BLMB7SA BLMBSA BLMBSB BLMBSB BLMB7SB BLMBSB BLMBSB BLMBSB BLMB7SB BLMBSD BLMBSD BLMB7SD BLMBS BLMBS BLMB8S BLMBSD BLMHA7SG BLMHASG BLMHASG BLMHB7SD BLMHBSD Qty. No Part Number BLMHBSD BLAASG BLAASG BLAASG BLAASG BLABSD BLAB7SD BLABSD BLMPS BLMPS BLMPS BLMPSG BLMPSG BLMPSG BLMPSG BLMP9SG BLMPSG BLMPS BLMP7S BLMP8SG BLMP7SG BLMPSG Qty. " Please use the products in this Design Kit for experiment or test production, but do not use for mass production. When using for mass production, please order them after confirming detailed specifications by approving the appropriate individual specification sheet. 8

110 9 No.CE.pdf.. This is the PDF file of catalog No.CE. No Part Number NFMP NFMP NFMP NFMP7 NFMP7 NFMP7 NFM89C NFM89C7 NFM89C7 NFM89C77 NFM89C78 NFM89C7 NFM89C NFM89C7 NFM89C8 NFM89C NFM9C NFM9C7 NFM9C NFM9C NFM9C7 NFM9C NFM9C NFM9C NFMPC NFMPC7F NFMT NFMT7 NFMT NFMT NFMT7 NFMT NFMT NFMT8 NFMT NFMT7 NFAGC8 NFAGC7 NFAGC NFAGC78 NFAGC77 NFAGC7 NFAGC8 NFAGC7 NFAGC Qty. EKEMUC No Part Number BLMAS BLMA7S BLMAS BLMASG BLMASG BLMASG BLMB7SB BLMBSB BLMBSB BLMBSD BLMBSD BLMBSD Qty. EKEMUA No Part Number BLMAF BLMASG BLMA7SG BLMAS BLMAS BLMBSB BLMB7S BLMBSB BLMBSB BLMB7SB BLMBSD BLMBSD BLMB7SD BLMBS BLMBS BLMB8SD BLMBS BLMB7S BLMA7S BLMAS BLMA8S BLMAS Qty. EKEMUA

111 This is the PDF file of catalog No.CE. No.CE.pdf.. Outlines of Major Noise egulation Standards. EMI egulations Equipment Countries Information egulation Japan USA Europe Generic Standard IEC IEC EN8 EN8 ITE : Information Technology ITE : Information Equipment Printer, Personal computer Word processor, Display CISP Pub. VCCI Electrical Appliance Electrical egulation FCC Part Subpart B EN Immunity Emission ISM equipment Microwave Igniter (Automobile, Motorboat) TV, adio, Audio, VT Household electrical equipment Portable tool Fluorescent Lamp Luminary Transceiver Power Supply Higher Harmonte Basic Standard Generic Standard Industrial Process Measurement and Control Equipment adio, TV ITE : Information Technology ITE : Information Equipment CISP Pub. CISP Pub. CISP Pub. CISP Pub. CISP Pub. CCI IEC IEC IEC IEC IEC IEC8 Series CISP Pub. CISP Pub. Electrical Appliance Electrical egulation JASO Electrical Appliance Electrical egulation Electrical Appliance Electrical egulation Electrical Appliance Electrical egulation adio Act Industrial Voluntary egulation In the process of egulating at JIS In the process of egulating at JIS Industrial Voluntary Action ECC Part 8 FCC Part Subpart B Fcc Part Subpart B FCC Part Subpart C FCC Part EN Automotive Directive EN EN EN ETS Series EN EN EN Series EN8 EN8 EN EN There are EMI regulation in each country to meet EMI noise level emitted from digital equipment. In the countries which regulates EMI, equipments which do not satisfy with regulations are not allowed to be sold.

112 This is the PDF file of catalog No.CE. No.CE.pdf.. Outlines of Major Noise egulation Standards. Measurement Point and Noise Detection egulation CISP Pub. Measuring Item adiated Interference Polarization and Measuring Point Horizontal Pol. Vertical Pol. Frequency (Hz) M to GHz Detection QuasiPeak Detection Measuring Devices Antenna EN Mains Interference Voltage AC Mains Ports k to MHz QuasiPeak Detection Mean Detection Artificial Mains Network adiated Interference Horizontal Pol. Vertical Pol. M to GHz QuasiPeak Detection Dipole Antenna VCCI Mains Interference Voltage AC Mains Ports k to MHz QuasiPeak Detection Mean Detection Artificial Mains Network FCC Part adiated Interference Mains Interference Voltage Horizontal Pol. Vertical Pol. AC Mains Ports M to GHz k to MHz QuasiPeak Detection Mean Detection QuasiPeak Detection Antenna Artificial Mains Network PeakUQuasiPeakUAverage (Qp) V Peak Detection QuasiPeak Detection V Peak Detection Average Detection QuasiPeak Detection Average Detection t t Short epetition Period Long epetition Period. Limits of CISP Pub. /EN Mains Terminal Interference Voltage (Power Supply) Field Strength [dbµv] 9 79 class A Quasipeak value 7 7 class A Mean value class B Quasipeak value class B Mean value k kkkm M M M Frequency [Hz] Class A Equipment : The equipment which is used in light industries area or commercial area. Class B Equipment : The equipment which is used in residential area. CISP Pub. recommends measurement at m distance. However, other distance is acceptable if the limitation is converted according to following calculation. Limitation show left is converted to limitation for m distance. Field Strength [dbµv/m] adiated Interference 9 7 class A class B M M M M G Frequency [Hz] On the border frequency, lower limit shall be applied. Conversion Limitation for Limitation for / m Distance m Distance (db µ V/m) (db µ V/m) r (µ V/m) r (µ V/m) = log r = log r =+ (log) r = r r =

113 This is the PDF file of catalog No.CE. No.CE.pdf.. Outlines of Major Noise egulation Standards Scope of CISP Pub. egulation This regulation applies to information technology equipment (ITE) which are defined as : (a) Equipment that receive data from external signal sources ; (b) Equipment that processes received data ; (c) Equipment that output data (d) Equipment that has less than V rated voltage in power supply CISP egulations Pub. Organization, egulations and Procedures of CISP Pub. Industrial, Scientific and Medical (ISM) adiofrequency Equipment Pub. Vehicles, Motor Boats and SparkIgnited Enginedriven. Limits of VCCI Voluntary egulation Mains Terminal Interference Voltage (Power Supply) Field Strength [dbµv] Field Strength [dbµv/m] class A Quasipeak value 7 class A Mean value class B Quasipeak value k kkkm M M M M 9 7 class B Mean value Frequency [Hz] adiated Interference class A Quasipeak value class B Quasipeak value M M M M G Frequency [Hz] Scope of VCCI Voluntary egulation This regulation applies to information technology equipment (same as CISP Pub.), but the application is excluded on the following equipments : # Equipment for which other regulations already exist (e.g., household electrical appliances, radio and TV receivers) # In station equipment principal purpose of which is electrical communication # Industrial plant control system for which information processing is a secondary system function # Industrial, commercial and medical testing and measuring systems for which data processing is a secondary system function 7 7. On the border frequency, lower limit shall be applied. Pub. Sound and Television eceivers Pub. Household Electrical Appliances, Portable Tools and Similar Electrical Apparatus Pub. Fluorescent Lamps and Iuminaries Pub. adio Interference Measuring Apparatus and Measurement Methods Pub.7 Passive adio Interference Filters and Suppression Components Pub.8 Power Transmission Cables and High Voltage Equipments Pub.9 Microwave Ovens for Frequencies above GHz Pub. Immunity of Sound and TV Broadcast eceivers Veceivers and Associated Equipment Pub. Interference to Mobile adiocommunications in the Presence of Impulsive Noise Pub. Information Technology Equipment Pub. Industrial Scientific and Medical (ISM) Equipment Pub. Immunity egulation of Information Technology Equipment Class B ITE : Equipment that designed to be used at home. Class A ITE : Equipment that does not meet interference limit of class B equipment. However satisfying interference limit of class A equipment. VCCI recommend measurement at m distance. m or m distance measurement are also allowed. Main Terminal Interference Voltage of khz to.khz. From 999 April, New products shall be applied with easing db. From April, New products shall be applied with easing db. # Information equipment for which CISP is conducting further deliberation VCCI is the acronym of Voluntary Control Council for Interference by Data Processing Equipment and Electronic Office Machines. VCCI is organized by the following organizations : # Japan Electronic Industry Development Association (JEIDA) # Japan Business Machine Makers Association (JBMA) # Electronic Industries Association of Japan (EIAJ) # Communication Industries Association of Japan (CIAJ)

114 This is the PDF file of catalog No.CE. No.CE.pdf.. Outlines of Major Noise egulation Standards. Limits of FCC Part Subpart B Mains Terminal Interference Voltage (Power Supply) Field Strength [dbµv] Field Strength [dbµv/m] class A class B 9. k k k M.7M M M M Frequency [Hz] adiated Interference..9 M M 88M M M 9MG Frequency [Hz] 8 Noise level is regulated up to lower frequency of the th harmonics of maximum signal frequency and GHz. class A class B On the border frequency, lower limit shall be applied. # The FCC Part regulation controls radiated interference by establishing quasipeak and mean value limits for frequencies ranging from MHz to GHz (or maximum frequency's fifth harmonic, whichever is lower). # For AC main ports, the FCC Part regulation controls mains terminal interference voltage by establishing quasipeak value limits for frequencies ranging from khz to MHz. # There is no regulation on interference power. Measurement Frequency ange for adiated Interference Maximum Frequency the Equipment Internally Generates, Uses or Operates or Synchronizes (MHz) Less than.7.7 to 8 8 to to Over Upper End of Measurement Frequency ange Maximum Frequency's Fifth Harmonic or GHz, Whichever is Lower Class A Equipment : The digital equipment that is sold to in the commercial, industrial and office use. Class B Equipment : The digital equipment that is sold to be used in residential area. Class A recommend to be measured with m distance. Class A recommend to be measured with m distance. FCC egulations Part Procedures Part Frequency Division and adio Wave Treaty Issues and General ules Part adio Wave Equipment # Intentionally electromagnetic radiation equipment # Nonintentionally electromagnetic radiation equipment # Incidentally electromagnetic radiation equipment Part 8 Industrial, Scientific and Medical Equipment Part Public Mobile Wireless Operations Part 8 Connecting Terminal Equipment to Telephone Circuit Network Part 7 Cable Television

115 This is the PDF file of catalog No.CE. No.CE.pdf.. Outlines of Major Noise egulation Standards. Immunity egulations in Europe Union All products which are sold in EU must satisfy EC directive which contains immunity regulation. Principal EC Directive EMC Directive 89//EEC 9//EEC LowVoltage Electrical 7//EEC Products Directive Machines Directive 89/9/EEC Noise regulations in EU is prepared by CENELEC. Their contents are almost same as IEC or CISP regulations. All electric/electronic equipment cannot be sold in Europe without CE marking. To use CE marking, they must satisfy related EC directive such as EMC directive. In EMC directive, EMI regulations are integrated, and immunity regulations are applied. Although these immunity regulations are prepared by CENELEC, almost all contents are same as standards issued by IEC or CISP. Standard Basic Standard Application IEC IEC CISP CENELEC EN esidential, Commercial and Light Industry esidential, Commercial and Light Industry In the process of IEC EN8 Generic Standard (IEC) (EN8) Industrial In the process of IEC Industrial EN8 (IEC) (EN8) Product Family Standard adio, TV CISP Pub. (CISP Pub. ) EN (EN) Information Technology Equipment CISP Pub. (CISP Pub. ) EN (EN) Product Standard Standards in bracket are Emission Standards.

116 This is the PDF file of catalog No.CE. No.CE.pdf.. Noise Suppression Principles by DC EMIFIL " Function of DC EMI Suppression Filters DC EMI suppression filters absorb and eliminate high frequency noise which may produce electromagnetic interference in PC board circuits. These filters are used in secondary circuits, and are small in size and light in weight, which further enhances their excellent noise suppression functions. Chip and adhesive type filters can be mounted on PC boards automatically. These filters are effective in the suppression of radiation noise in computers, peripheral equipment, and digital circuit application equipment (including various types of microcomputer application equipment), and function to suppress noise in audio/visual equipment, which uses digital memory chips and DSP. These filters are also effective for improving the noise immunity of equipment used in noisy environments (such as electronic equipment for automobiles). " Noise Filter Suppression Principles Generally, noise problems occur when the noise source and electronic equipment sensitive to the influence of noise are located in close proximity to one another. In such situations, as shown in Fig.A below, noise is conducted through a conductor, which produces an inductive field around the noise source. To overcome such noise problems, it is preferable to reduce the amount of noise generated by the noise source or improve the noise resistance of adjacent equipment. In order to satisfy equipment performance specifications and eliminate noise effectively at the same time, however, it is customary to reduce the amount of noise generated by the noise source, if it can't be eliminated altogether. " Capacitive Noise Suppression When a capacitor is connected (bypass capacitor) to ground from a noisy signal line or power line, the circuit impedance decreases as the frequency increases. Since noise is a high frequency phenomenon, it flows to ground if a capacitor has been connected to ground, thereby making it possible to eliminate noise. (See Fig. B below.) EMI suppression filters employing a capacitor in this way are used to eliminate this type of noise. Noise+Signal/DC Power Noise = Fig.B Capacitive Noise Suppression " High frequency Capacitor Characteristics Used for EMI Suppression Filters Even generalpurpose capacitors can be used for noise suppression. However, since noise has an extremely high frequency range, generalpurpose capacitors may not function as effective bypass capacitors, due to the large residual inductance built into the capacitor. All the capacitors used in MUATA's EMI suppression filters employ a terminal structure or thrutype structure, which functions effectively even at high frequencies, thereby minimizing the influence of residual inductance. Consequently, an effective filter circuit can be formed even at frequencies exceeding GHz. (efer to Fig. C below.) (a) Construction of capacitor πfc Signal/DC Power f :Frequency c : Capacitance Value r terminal capacitor terminal capacitor EMI Source e q Equipment or Device Affected by EMI Dielectric Electrode Dielectric Electrode w Lead Lead qconduction mode econduction mode adiation mode wadiation mode radiation mode Conduction mode (b) Equivalent circuit of capacitors which is concerning ESL effect. EMI Source Shield EMI Filter EMI Filter r q e w EMI Filter EMI Filter Equipment or Device Affected by EMI Shield Fig.A EMI Propagation Mode and Model of Noise Filter Suppression " Configuration of EMI Suppression Filters (DC) DC EMI suppression filters are used to suppress noise produced by conductors. Noise radiation can be suppressed, if it is eliminated with a filter in advance. Generally, such noise suppression is achieved with DC EMI suppression filters, according to the capacitive and inductive frequency characteristics of the respective conductors in the circuit. Filters of this kind can be roughly divided into those : () employing a capacitor, () employing an inductor, () employing a capacitor and inductor combination. (c) Improvement of Insertion Loss Characteristics Insertion Loss (db) 8 C=pf terminal capacitor (Builtin Bead) (DSSHBM) terminal capacitor terminal capacitor (DSHBM) Ideal Characteristic of capacitor Fig.C Equivalent circuit of generalpurpose capacitor and terminal capacitor in the high frequency area and comparison of insertion loss

117 This is the PDF file of catalog No.CE. No.CE.pdf.. Noise Suppression Principles by DC EMIFIL " Inductive Noise Suppression When an inductor is inserted in series in a noise producing circuit (See Fig.D), its impedance increases with frequency. In this configuration it is possible to attenuate and eliminate noise components (high frequency components). The MUATA EMI suppression filter functions in this way. Noise+Signal/DC Power Fig.D Inductive Noise Suppression Noise = πfl Signal/DC Power f :Frequency L : Capacitance Value " Characteristics of Inductors Used in EMI Suppression Filters Generalpurpose inductors also function to suppress noise when configured in series with a noise producing circuit. However, when generalpurpose inductors are used, resonance may result in peripheral circuits, signal wave forms may become distorted, and satisfactory impedance may not be obtained at noise frequencies (due to insufficient high frequency impedance characteristics). The inductors used for MUATA's EMI suppression filters are designed to function nearly as a resistor at noise frequencies, which greatly reduces the possibility of resonance and leaves signal wave forms undistorted. And since sufficient impedance is obtained for frequencies ranging to hundreds of MHz, these specifically designed inductors operate effectively to suppress highfrequency noise. (See Fig.E) This type of filter is also effective in the suppression of highspeed signal circuit noise. When used in DC power circuits, capacitiveinductive filters prevent resonance from occurring in peripheral circuits, thus making it possible to achieve significant noise suppression under normal service conditions. " Other EMI Suppression Filters In addition to the capacitiveinductive filter, MUATA also has an EMI suppression filter (EMIGUAD ) combining a capacitor with a varistor, useful for surge absorption; and a common mode choke coil effective, for common mode noise suppression. MUATA also has a range of builtin filter connectors which greatly reduce filter mounting space requirements. " Expressing EMI Suppression Filter Effects EMI Suppression Filter effects are expressed in terms of the insertion loss measured in the circuit, normally specified in MILSTD A. As shown in the Ω impedance circuit in Fig. below, insertion loss is represented by the logarithmic ratio of the circuit output voltage with and without a filter in the circuit, which is multiplied by and expressed in db. Therefore, an insertion loss of db indicates an out put voltage ratio (B/C) of /, and an insertion loss of db indicates an output voltage ratio (B/C) of /. Measuring Circuit of Insertion Loss (a) A(V) Ω B(V) Ω Equivalent Circuit (f) (b) Ω (esistance element becomes dominant at high frequency.) A(V) EMI Suppression Filter C(V) Ω #BLN Impedance [Ω] 8 Insertion Loss B = log (db) C Fig.F Measuring Circuit of Insertion Loss. Frequency [MHz] Fig.E Example of impedance frequency characteristics of inductor type EMIFIL " CapacitiveInductive EMI Suppression Filters If a capacitive and inductive suppression characteristics are combined, it is possible to configure a much higher performance filter. In signal circuit applications where this combination is applied, noise suppression effects which have little influence on the signal wave form become possible.

118 This is the PDF file of catalog No.CE. No.CE.pdf.. Murata EMI Filter Selection Simulator The Murata EMI Filter Selection Simulator simulates effects of Murata EMI Filters. Simulation results are displayed with a VoltageWaveform chart and a SpectrumFrequency chart. The filters can be simulated under various circuit conditions.!opeation. Enter "Input Signal" in the Simulation window.. Enter LC values or select Driver IC from the pulldown list.. Enter the part number or select EMI Filter from the pulldown list.. Set Transmission Line. (Three ways can be selected.). Enter LC values or select eceiver IC from the pulldown list.. Click on the "Start Simulation" button. 7. Simulation results are displayed on the new window. Two ways of setting the driver/receiver IC parameter. The logic IC of TTL and CMOS can be selected from pulldown list. LC values can also be entered. Impedance automatically calculated. Impedance characteristics under actual pattern are automatically calculated. (When the "Configuration" is selected.) Voltage waveform and voltagespectrum charts are displayed in the same window. They can also be printed and copied to clipboard. 7 EMI filters can be selected from the "Select EMI Filter" window. This application can be downloaded from Murata web site. 7

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