component
SPD91011W-2
Public Made by Adomby adom
WILLSEMI Will Semicon ESD And Surge Protection (TVS/ESD), 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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README
markdownSPD91011W-2
WILLSEMI Will Semicon · ESD And Surge Protection (TVS/ESD) · SOD-323
SPD91011W-2 from WILLSEMI Will Semicon, 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 | Pin1 | passive | Bi-directional TVS line terminal (stand-off voltage ±3.3V max, 1.5pF typ. capacitance); connects to the protected line, interchangeable with pin 2. |
| 2 | Pin2 | passive | Bi-directional TVS line terminal (stand-off voltage ±3.3V max, 1.5pF typ. capacitance); connects to the protected line or ground, interchangeable with pin 1. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | WILLSEMI Will Semicon |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse maximum working voltage | VRWM | -3.3 | 3.3 | V | 2 | ||
| Reverse leakage current | IR | 100 | nA | VRWM = 3.3V | 2 | ||
| Reverse breakdown voltage | VBR | 3.5 | V | IT = 1mA | 2 | ||
| Clamping voltage (TLP) | VCL | 9.5 | V | IPP = 16A, tp = 100ns | 2 | ||
| Dynamic resistance | RDYN | 0.35 | Ω | 2 | |||
| Clamping voltage (ESD contact) | VCL | 10 | V | VESD = 8kV | 2 | ||
| Clamping voltage (surge) | VCL | 6 | V | IPP = 1A, tp = 8/20μs | 2 | ||
| Clamping voltage (surge) | VCL | 10 | V | IPP = 10A, tp = 8/20μs | 2 | ||
| Clamping voltage (surge) | VCL | 16 | V | IPP = 25A, tp = 8/20μs | 2 | ||
| Junction capacitance | CJ | 1.5 | 2 | pF | VR = 0V, f = 1MHz | 2 | |
| Peak pulse power | Ppk | 350 | W | tp = 8/20μs | 2 | ||
| Peak pulse current | IPP | 25 | A | tp = 8/20μs | 2 | ||
| ESD air discharge | VESD | -30 | 30 | kV | IEC61000-4-2 air discharge | 2 | |
| ESD contact discharge | VESD | -30 | 30 | kV | IEC61000-4-2 contact discharge | 2 | |
| Junction temperature | TJ | 125 | °C | 2 | |||
| Operating temperature | TOP | -40 | 85 | °C | 2 | ||
| Lead temperature | TL | 260 | °C | 2 | |||
| Storage temperature | TSTG | -55 | 150 | °C | 2 |
CAD (KiCad official)
- Symbol:
SPD91011W-2 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
spd91011w-2-etched.step/spd91011w-2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);spd91011w-2.step/spd91011w-2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: WILLSEMI Will Semicon datasheet (6 pp, sha256
aa0e03882f08b577, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).