component

BC856ALT1G

Public Made by Adom

by adom

onsemi Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componenttransistors-thyristorsbc856alt1gfactory-2.0.0extractor-text
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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 20d ago
viewers bc856alt1g: viewers · Ray 20d ago
bc856alt1g-etched.glb bc856alt1g: factory component page (tier=mfr) · Ray 20d ago
bc856alt1g-etched.step bc856alt1g: factory component page (tier=mfr) · Ray 20d ago
bc856alt1g-hero.glb bc856alt1g: hero GLB from the etched model (keeps the MPN mark) · Ray 20d ago
bc856alt1g-hero.overlay.json Publish 0.1.0 · Ray 20d ago
bc856alt1g.glb Publish 0.1.0 · Ray 20d ago
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bc856alt1g.kicad_sym Publish 0.1.0 · Ray 20d ago
bc856alt1g.lbr Publish 0.1.0 · Ray 20d ago
bc856alt1g.step Publish 0.1.0 · Ray 20d ago
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README.md Publish 0.1.0 · Ray 20d ago

BC856ALT1G

onsemi · Bipolar (BJT) · SOT-23

BC856ALT1G from onsemi, 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 BASE input Base terminal of the PNP transistor; the emitter-base voltage rating is VEBO = −5.0 V.
2 EMITTER passive Emitter terminal of the PNP transistor; the emitter-base breakdown voltage V(BR)EBO is −5.0 V minimum and the continuous collector current rating is −100 mA.
3 COLLECTOR passive Collector terminal of the PNP transistor; the BC856 series collector-emitter voltage rating is VCEO = −65 V, with continuous collector current of −100 mA and peak of −200 mA.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOT-23
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: BC856ALT1G
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bc856alt1g-etched.step / bc856alt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc856alt1g.step / bc856alt1g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (9 pp, sha256 1f30e89445b1b550, retrieved 2026-10-09, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF