component
BAS40-04W
Public Made by Adomby adom
Nexperia Schottky Diodes, SOT-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
markdownBAS40-04W
Nexperia · Schottky Diodes · SOT-323
BAS40-04W from Nexperia, in a SOT-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 | A1 | passive | Anode of diode 1; the device reverse voltage limit is 40 V and the forward current limit is 120 mA. |
| 2 | K2 | passive | Cathode of diode 2; the device reverse voltage limit is 40 V and the forward current limit is 120 mA. |
| 3 | K1, A2 | passive | Cathode of diode 1 and anode of diode 2 are common on this pin, so the two diodes are joined here; the device reverse voltage limit is 40 V and the forward current limit is 120 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOT-323 |
| Category | Diodes |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
BAS40-04W - Footprint:
Package_TO_SOT_SMD:SOT-323_SC-70 - 3D model: SOT-323 (KiCad packages3D, STEP)
- 3D model files:
bas40-04w-etched.step/bas40-04w-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bas40-04w.step/bas40-04w.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (8 pp, sha256
3920cedf83e79905, retrieved 2026-10-09, tier: manufacturer) - 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).