Transient Voltage Suppressors. SMAJ Series. Circuit Protection System ELECTRONICS

Transcription

1 ELECTRONICS Transient Voltage Suppressors SMAJ Series

2 Features UNI Fast response time Low incremental surge resistance Matte tin lead free Plated Halogen ree and RoHS compliant Typical IR less than 1µA above 1V Compatible with industrial standard package DO-214AC For surface mounted applications to optimize board space ESD protection of data lines in accordance with IEC (IEC81-2 EFT protection of data lines in accordance with IEC (IEC81-4 4W peak pulsepower capability at 1/1μs waveform,repetition rate (duty cycle:.1% High temperature soldering : 26 C/ 4 seconds at terminals Cathode BI BI Anode UNI Description The SMAJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Mechanical Characteristics Rating Symbol Value Units Peak Pulse Power Dissipation at TA=25ºC by 1/1µs Waveform (Fig.2(Note 1, (Note 2 P PPM 4 Watts Power Dissipation on Infinite Heat Sink at TA=5 C P D 3.3 Watts Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3 Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only (Note 4 IFSM 4 Amps V F 3.5/6.5 V Operating junction and Storage Temperature Range. T J,T STG -55 C to 15 C C Typical Thermal Resistance Junction to Lead R ujl 3 C/W Typical Thermal Resistance Junction to Ambient R uja 12 C/W Notes: 1. Non-repetitive current pulse, per Fig.4 and derated above TA=25ºC per Fig Mounted on 5.x5.mm copper pad to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only. 4. VF< 3.5V for VBR 2V and VF< 6.5V for VBR 21V Page:1

3 Electriacl Characteristics Type Number Marking Code Reverse Stand-Off Voltage Breakdown T Test Current Maximum Clamping PP Peak Pulse Current Reverse R UNI BI UNI BI V R (V V BR MIN. (V (V I T (ma VC(V I PP (A I R (µa SMAJ5.A SMAJ5.CA HE TE SMAJ6.A SMAJ6.CA HG TG SMAJ6.5A SMAJ6.5CA HK TK SMAJ7.A SMAJ7.CA HM TM SMAJ7.5A SMAJ7.5CA HP TP SMAJ8.A SMAJ8.CA HR TR SMAJ8.5A SMAJ8.5CA HT TT SMAJ9.A SMAJ9.CA HV TV SMAJ1A SMAJ1CA HX TX SMAJ11A SMAJ11CA HZ TZ SMAJ12A SMAJ12CA IE UE SMAJ13A SMAJ13CA IG UG SMAJ14A SMAJ14CA IK UK SMAJ15A SMAJ15CA IM UM SMAJ16A SMAJ16CA IP UP SMAJ17A SMAJ17CA IR UR SMAJ18A SMAJ18CA IT UT SMAJ2A SMAJ2CA IV UV SMAJ22A SMAJ22CA IX UX SMAJ24A SMAJ24CA IZ UZ SMAJ26A SMAJ26CA JE VE SMAJ28A SMAJ28CA JG VG SMAJ3A SMAJ3CA JK VK SMAJ33A SMAJ33CA JM VM SMAJ36A SMAJ36CA JP VP SMAJ4A SMAJ4CA JR VR SMAJ43A SMAJ43CA JT VT SMAJ45A SMAJ45CA JV VV SMAJ48A SMAJ48CA JX VX SMAJ51A SMAJ51CA JZ VZ SMAJ54A SMAJ54CA RE WE SMAJ58A SMAJ58CA RG WG SMAJ6A SMAJ6CA RK WK SMAJ64A SMAJ64CA RM WM SMAJ7A SMAJ7CA RP WP SMAJ75A SMAJ75CA RR WR SMAJ78A SMAJ78CA RT WT SMAJ85A SMAJ85CA RV WV SMAJ9A SMAJ9CA RX WX SMAJ1A SMAJ1CA RZ WZ SMAJ11A SMAJ11CA SE XE SMAJ12A SMAJ12CA SG XG SMAJ13A SMAJ13CA SK XK SMAJ15A SMAJ15CA SM XM SMAJ16A SMAJ16CA SP XP SMAJ17A SMAJ17CA SR XR SMAJ18A SMAJ18CA ST XT SMAJ19A SMAJ19CA SV XV SMAJ2A SMAJ2CA SX XX SMAJ21A SMAJ21CA SZ XZ SMAJ22A SMAJ22CA ZE YE Page:2

4 Electriacl Characteristics Type Number Marking Code Reverse Stand-Off Voltage Breakdown T Test Current Maximum Clamping PP Peak Pulse Current Reverse R UNI BI UNI BI V R (V V BR MIN. (V (V I T (ma VC(V I PP (A I R (µa SMAJ25A SMAJ25CA ZG YG SMAJ3A SMAJ3CA ZK YK SMAJ35A SMAJ35CA ZM YM SMAJ4A SMAJ4CA ZP YP SMAJ44A SMAJ44CA ZR YR Notes: For bidirectional type having VR of 1V and less, the IR limit is double. I-V Curve Characteristics Uni-directional I Bi-directional Ipp Vc VBR VR IR IT VF V Vc VBR VR IT IR IR IT VRVBR Vc V Ipp Ipp P PPM Peak Pulse Power Dissipation -- Max power dissipation V R Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation V BR Breakdown Voltage -- Maximum voltage that flows thoughthe TVS at a specified test current (I T V C Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current I R V F Reverse Leakage Current -- Current measured at V R Forward Voltage Drop for Uni-directional Ratings and Characteristic Curves (T A =25 C unless otherwise noted Figure 1 - TVS Transients Clamping Waveform Figure 2 - Peak Pulse Power Rating Curve Voltage Transients 1 Voltage or Current Voltage Across TVS Current Through TVS P PPM -Peak Pulse Power (kw 1 Time.2x.2" (5.x5.mm Copper Pad Area t d -Pulse Width (sec. Page:3

5 Ratings and Characteristic Curves (TA=25 C unless otherwise noted Figure 3 - Pulse Derating Curve Figure 4 - Pulse Waveform Peak Pulse Power (P PP or Current (I PP Derating in Percentage % T A -Ambient temperature (ºC I PPM - Peak Pulse Cur rent, % I RSM td tr=1µsec Peak Value IPPM Half Value IPPM 2 IPPM ( TJ =25 C Pulse Width(td is de ned as the point where the peak current decays to 5% of IPPM 1/1µsec. Waveform as defined by R.E.A t-time (ms Figure 5 - Typical Junction Capacitance Figure 6 - Steady State Power Dissipation Derating Curve Cj (pf R R Bi-directional V=V Uni-directional V=V Tj=25ºC f=1.mhz Vsig=5mVp-p V BR - Reverse Breakdown Voltage (V P M(AV, Steady State Power Dissipation (W T A - Ambient Temperature (ºC Figure 7 - Maximum Non-Repetitive Forward Surge Current Uni-Directional Only 45 I FSM - Peak Forward Surve Current (A Number of Cycles at 6 Hz Page:4

6 T e mperature (T Transient Voltage Suppressors - SMAJ Series Soldering Parameters Reflow Condition Lead freeassembly t p Pre Heat - Temperature Min (T s(min 15 C - Temperature Max (T s(max 2 C - Time (min to max (t s 6 18 secs Average ramp up rate (Liquidus Temp (T L to peak T S(max to T L - Ramp-up Rate - Temperature (T L (Liquidus 217 C Physical Specifications 3 C/second max 3 C/second max - Time (min to max (t s 6 15 seconds Peak Temperature (T P 26+/-5 C Time within 5 C of actual peak Temperature (t p Ramp-down Rate Time 25 C to peak Temperature (T P Do not exceed 28 C Weight Case.2 ounce,.61 gram 2 4 seconds 6 C/second max 8 minutes Max. JEDEC DO-214AC Molded Plastic over glass passivated junction T P T L T s(max T s(min 25 C Environmental Specifications High Temp. Storage HTRB Temperature Cycling t s Preheat t 25 C to Peak Ramp-up Time (t JESD22-A13 JESD22-A18 JESD22-A14 MSL JEDEC-J-STD-2, Level 1 H3TRB JESD22-A11 t L Critical Zone T L to T P Ramp-down Polarity Color band denotes cathode except Bipolar RSH JESD22-B16 Terminal Matte Tin-plated leads, Solderable per JESD22-B12 Dimensions DO-214AC/SMA DIM Inches Millimeters Min Max Min Max A B C D E F G H I J K L Page:5

7 Part Numbering SMAJ xxx C A Series code 5% Voltage Tolerance Blank:Uni-Directional C:Bi-Directional Voltage code Packaging Part Number Component Package Quantity Packaging Option Packaging Specification SMAJxxxXX DO-214AC 2 Tape&Reel EIA RS-481 Symbol Dimension (mm G G1 G2 D B A 12.±.2 G 4.±.1 G1 4.±.1 G2 2.±.1 A J D Φ1.5±.1 B B D B I D Φ1.5±.1 E 1.75±.1 F 5.5±.5 B 2.79±.1 J 5.33±.1 I 2.55±.15 T.25±.5 H2 Φ178.±2. H3 Φ5.Min. H3 H2 H4 Φ13.±.5 H1 W1 W1 16.±2. Quantity: 2PCS Page:6

8 RuiLongYuan Electronics Co., Ltd. Reproducing and modifying information of the document is prohibited without permission from Ruilongyuan International Inc. Ruilongyuan International Inc. reserves the rights to make changes of the content herein the document anytime without notification. Please refer to our website for the latest document. Ruilongyuan International Inc. disclaims any and all liability arising out of the application or use of any product including damages incidentally and consequentially occurred. Ruilongyuan International Inc. does not assume any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Applications shown on the herein document are examples of standard use and operation. Customers are responsible in comprehending the suitable use in particular applications.ruilongyuan International Inc. makes no representation or warranty that such applications will be suitable for the specifed use without further testing or modifcation. The products shown herein are not designed and authorized for equipments requiring high level of reliability or relating to human life and for any applications concerning life-saving or life-sustaining, such as medical instruments, transportation equipment,aerospace machinery et cetera. Customers using or selling these products for use in such applications do so at their own risk and agree to fullyindemnify Ruilongyuan International Inc. for any damages resulting from such improper use or sale. Tel: Fax: Page:7