component
P4SOD43AX
Public Made by Adomby adom
WeEn Semiconductors ESD And Surge Protection (TVS/ESD), SOD-123F. 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
markdownP4SOD43AX
WeEn Semiconductors · ESD And Surge Protection (TVS/ESD) · SOD-123F
P4SOD43AX from WeEn Semiconductors, in a SOD-123F. 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 | WeEn Semiconductors |
| Package | SOD-123F |
| 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 | 47.8 | 52.8 | V | @ IT = 1 mA, Tj = 25 °C | 2 | |
| Maximum clamping voltage | VC | 69.4 | V | @ Ipp = 5.8 A | 2 | ||
| Maximum peak pulse current | Ipp | 5.8 | A | 2 | |||
| Maximum reverse leakage | IR | 1 | μA | @ VR = 43 V | 2 | ||
| Reverse stand-off voltage | VR | 43 | V | 2 | |||
| Test current | IT | 1 | mA | 2 | |||
| Peak pulse power | PPPM | 400 | W | 10/1000 μs current waveform (IEC 61643-321) | 1 | ||
| Steady state power dissipation | PM(AV) | 1 | W | on infinite heatsink at Ta = 50 °C | 1 | ||
| Storage temperature range | Tstg | -65 | 150 | °C | 1 | ||
| Operating temperature range | Tj | -65 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
P4SOD43AX - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123F (KiCad packages3D, STEP)
- 3D model files:
p4sod43ax-etched.step/p4sod43ax-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p4sod43ax.step/p4sod43ax.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WeEn Semiconductors datasheet (7 pp, sha256
46654489b3f90ac2, retrieved 2026-10-23, 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).