component
PESDHC3D12VU
Public Made by Adomby adom
UMW Electrostatic And Surge Protection (TVS/ESD), SOD-323. 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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Contents
README
markdownPESDHC3D12VU
UMW · Electrostatic And Surge Protection (TVS/ESD) · SOD-323
PESDHC3D12VU from UMW, in a SOD-323. 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 | UMW |
| Package | SOD-323 |
| Category | TVS/Fuse/Board Level 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 |
|---|---|---|---|---|---|---|---|
| Unidirectional Peak Pulse Power | PPP | 500 | W | tp=8/20μs | 2 | ||
| Maximum Peak Pulse Current | IPP | 20 | A | tp=8/20μs | 2 | ||
| Lead Soldering Temperature | TL | 260 | °C | 10 sec | 2 | ||
| Operating Temperature | TJ | -55 | 125 | °C | 2 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 2 | ||
| Working Voltage | VRWM | 12 | V | 3 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | Lead finish:100% matte Sn(Tin) Mounting position: Any | 1 |
CAD (KiCad official)
- Symbol:
PESDHC3D12VU - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
pesdhc3d12vu-etched.step/pesdhc3d12vu-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pesdhc3d12vu.step/pesdhc3d12vu.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UMW datasheet (8 pp, sha256
c45f5b0ec7a30825, retrieved 2026-10-28, 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).