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BAS21C

Public Made by Adom

by adom

XZT Switching Diodes, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 15d ago
viewers bas21c: viewers · Ray 15d ago
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bas21c-etched.step bas21c: factory component page (tier=lcsc) · Ray 15d ago
bas21c-hero.glb bas21c: hero GLB from the etched model (keeps the MPN mark) · Ray 15d ago
bas21c-hero.overlay.json Publish 0.1.0 · Ray 15d ago
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README.md Publish 0.1.0 · Ray 15d ago

BAS21C

XZT · Switching Diodes · SOT-23

BAS21C from XZT, in a SOT-23. 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 in the BAS21C dual common-cathode switching diode (VRRM 250 V, IFM 400 mA).
2 A2 passive Anode of diode 2 in the BAS21C dual common-cathode switching diode (VRRM 250 V, IFM 400 mA).
3 K passive Common cathode of both diodes in the BAS21C (marking JS3), with reverse breakdown voltage min 250 V at IR=100µA.

Key specifications

Parameter Value
Manufacturer XZT
Package SOT-23
Category Diodes
Pins 3

CAD (KiCad official)

  • Symbol: BAS21C
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bas21c-etched.step / bas21c-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bas21c.step / bas21c.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: XZT datasheet (3 pp, sha256 7f9529620e473acf, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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).

Datasheet PDF