component
SMF13A
Public Made by Adomby adom
DOWO ESD And Surge Protection (TVS/ESD), SOD-123. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSMF13A
DOWO · ESD And Surge Protection (TVS/ESD) · SOD-123
SMF13A from DOWO, in a SOD-123. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DOWO |
| Package | SOD-123 |
| Category | Circuit Protection |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Breakdown Voltage | VBR | 14.4 | 15.9 | V | @IT 1 mA | 3 | |
| Maximum Reverse Leakage | IR | 1 | uA | @VRWM 13.0 V | 3 | ||
| Working Peak Reverse Voltage | VRWM | 13 | V | 3 | |||
| Maximum Reverse Surge Current | IPP | 9.3 | A | 3 | |||
| Maximum Clamping Voltage | VC | 21.5 | V | @IPP | 3 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 | ||
| Peak forward surge current | IFSM | 20 | A | 8.3 ms single half sine-wave, unidirectional only | 1 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | at 25 A, unidirectional only | 1 | ||
| Power dissipation on infinite heatsink | PD | 0.4 | W | at TL = 75 °C | 1 | ||
| Peak power dissipation with a 10/1000us waveform | PPP | 200 | W | 10/1000 µs waveform | 1 | ||
| Peak power dissipation with a 8/20us waveform | PPP | 1000 | W | 8/20 µs waveform | 1 |
CAD (KiCad official)
- Symbol:
SMF13A - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
smf13a-etched.step/smf13a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smf13a.step/smf13a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DOWO datasheet (3 pp, sha256
3d19e2580d9b46f9, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).