component

BCM857BS

Public Made by Adom

by adom

FUXINSEMI Bipolar (BJT), SOT-363. 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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bcm857bs-hero.glb bcm857bs: hero GLB from the etched model (keeps the MPN mark) · Ray 27d ago
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BCM857BS

FUXINSEMI · Bipolar (BJT) · SOT-363

BCM857BS from FUXINSEMI, in a SOT-363. 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 E1 passive Emitter of PNP transistor 1; Vebo -5 V max rating, IC -0.2 A continuous per the datasheet.
2 B1 passive Base of PNP transistor 1; VBE -0.6 to -0.75 V at VCE=-5V, IC=-2mA.
3 C2 passive Collector of PNP transistor 2; VCEO -45 V and VCBO -50 V max ratings, IC -0.2 A continuous.
4 E2 passive Emitter of PNP transistor 2; Vebo -5 V max rating.
5 B2 passive Base of PNP transistor 2; VBE -0.6 to -0.75 V at VCE=-5V, IC=-2mA.
6 C1 passive Collector of PNP transistor 1; VCEO -45 V and VCBO -50 V max ratings, IC -0.2 A continuous.

Key specifications

Parameter Value
Manufacturer FUXINSEMI
Package SOT-363
Category Transistors/Thyristors
Pins 6

CAD (KiCad official)

  • Symbol: BCM857BS
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: bcm857bs-etched.step / bcm857bs-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bcm857bs.step / bcm857bs.glb are the bare package body.

Provenance

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

  • Datasheet: FUXINSEMI datasheet (3 pp, sha256 4a94b2b8b1fcee8d, 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