component

BC556BTF

Public Made by Adom

by adom

onsemi Bipolar (BJT), TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componenttransistors-thyristorsbc556btffactory-2.0.0extractor-text
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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 3h ago
viewers bc556btf: viewers · Ray 3h ago
bc556btf-etched.glb bc556btf: factory component page (tier=lcsc) · Ray 3h ago
bc556btf-etched.step bc556btf: factory component page (tier=lcsc) · Ray 3h ago
bc556btf-hero.glb bc556btf: hero GLB from the etched model (keeps the MPN mark) · Ray 3h ago
bc556btf-hero.overlay.json Publish 0.1.0 · Ray 3h ago
bc556btf.glb Publish 0.1.0 · Ray 3h ago
bc556btf.kicad_mod Publish 0.1.0 · Ray 3h ago
bc556btf.kicad_sym Publish 0.1.0 · Ray 3h ago
bc556btf.lbr Publish 0.1.0 · Ray 3h ago
bc556btf.step Publish 0.1.0 · Ray 3h ago
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README.md Publish 0.1.0 · Ray 3h ago

BC556BTF

onsemi · Bipolar (BJT) · TO-92-3

BC556BTF from onsemi, in a TO-92-3. 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 C passive Collector of the PNP transistor; rated VCBO -80 V and VCEO -65 V for the BC556 family, with DC collector current IC of -100 mA.
2 B input Base of the PNP transistor; peak base current IBP is rated at -200 mA (pulse).
3 E passive Emitter of the PNP transistor; emitter-base voltage VEBO is rated at -5 V.

Key specifications

Parameter Value
Manufacturer onsemi
Package TO-92-3
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: BC556BTF
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92-3 (KiCad packages3D, STEP)
  • 3D model files: bc556btf-etched.step / bc556btf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc556btf.step / bc556btf.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (10 pp, sha256 0f1da75b5e839bc9, retrieved 2026-10-09, tier: lcsc)
  • 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