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WPE12VD3ULA
Public Made by Adomby adom
WPMtek(Wei Pan Microelectronics) ESD Protection Devices, SOD-323. Pinout cross-checked by two models against the datasheet, 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
markdownWPE12VD3ULA
WPMtek(Wei Pan Microelectronics) · ESD Protection Devices · SOD-323
WPE12VD3ULA from WPMtek(Wei Pan Microelectronics), 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 | 1 | passive | One terminal of the 1-line bi-directional TVS diode, which protects one data or power line with a 12V reverse working voltage (VRWM) and 1pF typical junction capacitance. |
| 2 | 2 | passive | Other terminal of the 1-line bi-directional TVS diode, which protects one data or power line with a 12V reverse working voltage (VRWM) and 1pF typical junction capacitance. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | WPMtek(Wei Pan Microelectronics) |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power (8/20µs) | Ppk | 350 | W | 8/20µs | 2 | ||
| Peak Pulse Current (8/20µs) | IPP | 12 | A | 8/20µs | 2 | ||
| ESD per IEC 61000−4−2 (Air) | VESD | -30 | 30 | kV | 2 | ||
| ESD per IEC 61000−4−2 (Contact) | VESD | -30 | 30 | kV | 2 | ||
| Operating Temperature Range | TJ | -55 | 125 | °C | 2 | ||
| Storage Temperature Range | Tstg | -55 | 150 | °C | 2 | ||
| Reverse Working Voltage | VRWM | 12 | V | 2 | |||
| Breakdown Voltage | VBR | 13.3 | V | IT = 1mA | 2 | ||
| Reverse Leakage Current | IR | 0.2 | μA | VRWM = 12V | 2 | ||
| Clamping Voltage | VC | 18 | V | IPP = 1A (8 x 20µs pulse) | 2 | ||
| Clamping Voltage | VC | 29 | V | IPP = 12A (8 x 20µs pulse) | 2 | ||
| Junction Capacitance | CJ | 1 | pF | VR = 0V, f = 1MHz | 2 |
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: Matte Tin • Case Material: “Green” Molding Compound. | 1 |
CAD (KiCad official)
- Symbol:
WPE12VD3ULA - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
wpe12vd3ula-etched.step/wpe12vd3ula-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);wpe12vd3ula.step/wpe12vd3ula.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WPMtek(Wei Pan Microelectronics) datasheet (4 pp, sha256
891f52b4c6c3980e, retrieved 2026-10-27, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(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).