SMF4L Series. TVS Diodes Surface Mount 400W > SMF4L Series. Description. Uni-directional

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SMF4L Series RoHS Pb e3 Uni-directional Description The SMF4L series of SOD-123FL small and flat lead lowprofile plastic package is designed specifically to protect sensitive electronic equipment

1 SMF4L Series RoHS Pb e3 Uni-directional Description The SMF4L series of SOD-123FL small and flat lead lowprofile plastic package is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features Agency Approvals AGENCY Maximum Ratings and Thermal Characteristics (T A =25 O C unless otherwise noted Parameter Symbol Value Unit Peak Pulse Power Dissipation at T A =25ºC (Note 1 Thermal Resistance Junction to Ambient 8/2µs (Note 2 2 W P PPM 1/1µs (Note 3 4 W R θja 22 C/W Thermal Resistance Junction to Lead R θjl 1 C/W Operating and Storage Temperature Range T J, T STG -55 to 15 Notes: 1. Non-repetitive current pulse, per Fig. 4 and derated above T J (initial =25ºC per Fig SMF4L5.A~SMF4L9.A Peak Pulse Power Dissipation is 185W min, 2W 3. SMF4L5.A~SMF4L9.A Peak Pulse Power Dissipation is 37W min, 4W 1/1µs Functional Diagram AGENCY FILE NUMBER E23531 Bi-directional C 4W peak pulsepower capability at 1/1µs waveform, repetition rate (duty cycle:.1% Compatible with industrial standard package SOD- 123FL Low inductance, excellent clamping capability For surface mounted applications to optimize board space Typical failure mode is short from over-specified voltage or current Whisker test is conducted based on JEDEC JESD21A per its table 4a and 4c IEC ESD 3kV(Air, 3kV (Contact ESD protection of data lines in accordance with IEC EFT protection of data lines in accordance with Applications IEC Fast response time: typically less than 1.ns from Volts to V BR min High temperature soldering: 26 C/4 seconds at terminals Glass passivated junction Built-in strain relief Plastic package is flammability rated V- per Underwriters Laboratories Meet MSL level1, per J-STD-2, LF maximun peak of 26 C Matte tin lead free plated Halogen-free and RoHS compliant Pb-free E3 means 2 nd level interconnect is Pb-free and the terminal finish material is tin(sn (IPC/ JEDEC J-STD-69A.1 SMF4L devices are ideal for the protection of portable devices/hard drives, notebooks, V CC busses, POS terminal, SSDs, power supplies, monitors, and vulnerable circuit used in other consumer applications. Cathode Anode Uni-directional

2 Electrical Characteristics (T A =25 C unless otherwise noted Part Number Marking Code Breakdown Voltage V BR I T MIN MAX Test Current I T (ma Reverse Stand off Voltage V R (V Maximum Reverse V R I R (µa Maximum Peak Pulse Current I pp (A Maximum Clamping pp V C (V Agency Approval SMF4L5.A KE X SMF4L6.A KG X SMF4L6.5A KK X SMF4L7.A KM X SMF4L7.5A KP X SMF4L8.A KR X SMF4L8.5A KT X SMF4L9.A KV X SMF4L1A KX X SMF4L11A KZ X SMF4L12A LE X SMF4L13A LG X SMF4L14A LK X SMF4L15A LM X SMF4L16A LP X SMF4L17A LR X SMF4L18A LT X SMF4L2A LV X SMF4L22A LX X SMF4L24A LZ X SMF4L26A ME X SMF4L28A MG X SMF4L3A MK X SMF4L33A MM X SMF4L36A MP X SMF4L4A MR X SMF4L43A MT X SMF4L45A MV X SMF4L48A MX X SMF4L51A MZ X SMF4L54A NE X SMF4L58A NG X SMF4L6A NK X SMF4L64A NM X SMF4L7A NP X SMF4L75A NR X SMF4L78A NT X SMF4L85A NV X Notes: 1. V BR measured after I T applied for 3µs, I T = square wave pulse or equivalent. 2. Surge current waveform per 1/1µs exponential wave and derated per Fig All terms and symbols are consistent with ANSI/IEEE C62.35.

3 I-V Curve Characteristics Uni-directional Vc VBR VR IR IT VF V 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 though the TVS at a specified test current (I T V C Clamping Voltage -- Peak voltage measured across the TVS 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. continues on next page.

4 Ratings and Characteristic Curves (T A =25 C unless otherwise noted (Continued Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Pulse Waveform - 1/1µS Peak Pulse Power (P PP or Current (I PP Derating in Percentage % T J - Initial Junction Temperature (ºC I PPM - Peak Pulse Current, % I RSM td tr=1µsec Peak Value IPPM Half Value IPPM 2 IPPM ( TJ=25 C Pulse Width(td is defined 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 - Forward Voltage Figure 6 - Typical Junction Capacitance 1 V f - Typical forward dropped voltage@1ma Temperature (ºC Cj (pf Uni-directional V=v Uni-directional V=V R VBR -Reverse Breakdown Voltage (V Figure 7 - Peak Forward Voltage Drop vs. Peak Forward Current Figure 8 - Maximum Non-Repetitive Forward Surge Current Uni-Directional Only 35 I F -Peak Forward Current(A V F -Peak Forward Voltage(V IFSM - Peak Forward Surve Current(A Number of Cycles at 6 Hz

5 Temperature (T TVS Diodes Soldering Parameters Reflow Condition Lead free assembly 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 A to peak 3 C/second max T P T L T s(max T s(min Ramp-up t p t L Critical Zone T L to T P Ramp-down T S(max to T A - Ramp-up Rate 3 C/second max t s Preheat Reflow - Temperature (T A (Liquidus 217 C - Time (min to max (t s 6 15 seconds Peak Temperature (T P 26 +/-5 C 25 C t 25 C to Peak Time (t Time within 5 C of actual peak Temperature (t p 2 4 seconds Ramp-down Rate 6 C/second max Time 25 C to peak Temperature (T P 8 minutes Max. Do not exceed 26 C Environmental Specifications High Temp. Storage JESD22-A13 Physical Specifications HTRB JESD22-A18 Case SOD-123FL plastic over glass passivated junction Temperature Cycling JESD22-A14 Polarity Color band denotes cathode except bipolar MSL JEDEC-J-STD-2, Level 1 Terminal Matte tin-plated leads, solderable per JESD22-B12 H3TRB RSH JESD22-A11 JESD22-A111 Dimensions - SOD-123FL Package E Dimensions Millimeters Inches Min Max Min Max A A B B C E D C D F E F G G H H Mounting Pad Layout 1.6 (.62

6 Part Numbering System Part Marking System SMF4L xx A SERIES 5% V BR VOLTAGE TOLERANCE V R VOLTAGE LF XX YM Cathode Band Marking Code Trace Code Marking Y:Year Code M: Month Code Packaging Options Part number Component Package Quantity Packaging Option Packaging Specification SMF4LXXX SOD-123FL 3 Tape & Reel 8mm tape/7 reel EIA RS-481 Tape and Reel Specification.31 ( (4. Cathode.8 (2.2 Arbor Hole Dia..157 (4. Optional 7 7. ( (33.59 DIA (1.5 Cover tape Dimensions are in inches (and millimeters..33 (8.5 Direction of Feed

SMF Series. Transient Voltage Suppression Diodes. Surface Mount 200W > SMF Series. Description. Uni-directional

SMF Series. Transient Voltage Suppression Diodes. Surface Mount 200W > SMF Series. Description. Uni-directional SMF Series RoHS Pb e3 Uni-directional Description The SMF series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage