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BC857BS-TP

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MCC Micro Commercial Components Bipolar (BJT), SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BC857BS-TP

MCC Micro Commercial Components · Bipolar (BJT) · SOT-363

BC857BS-TP from MCC Micro Commercial Components, 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 transistor 1 (dual PNP, multi-chip device); maximum emitter-base voltage VEBO is -5 V and maximum collector current IC is -200 mA.
2 B1 passive Base of transistor 1; the base-emitter voltage is specified at VBE -0.65 V to -0.82 V under test conditions IC=-2 mA, VCE=-5 V.
3 C2 passive Collector of transistor 2; maximum collector-base voltage VCBO is -50 V and maximum collector-emitter voltage VCEO is -45 V.
4 E2 passive Emitter of transistor 2 (dual PNP, multi-chip device); maximum emitter-base voltage VEBO is -5 V and maximum collector current IC is -200 mA.
5 B2 passive Base of transistor 2; the base-emitter voltage is specified at VBE -0.65 V to -0.82 V under test conditions IC=-2 mA, VCE=-5 V.
6 C1 passive Collector of transistor 1; maximum collector-base voltage VCBO is -50 V and maximum collector-emitter voltage VCEO is -45 V.

Key specifications

Parameter Value
Manufacturer MCC Micro Commercial Components
Package SOT-363
Category Transistors/Thyristors
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Collector-Base Voltage VCBO -50 V 1
Collector-Emitter Voltage VCEO -45 V 1
Emitter-Base Voltage VEBO -5 V 1
Collector Current IC -200 mA 1
Collector Power Dissipation PC 300 mW 1
Operating Junction Temperature Range -55 150 ℃ 1
Storage Temperature Range -55 150 ℃ 1
Thermal Resistance Junction to Ambient 417 ℃/W Junction to Ambient 1
Collector-Emitter Breakdown Voltage V(BR)CEO -45 V IC=-10mA, IB=0 2
Collector-Base Breakdown Voltage V(BR)CBO -50 V IC=-10µA, IE=0 2
Emitter-Base Breakdown Voltage V(BR)EBO -5 V IE=-10µA, IC=0 2
Collector-Base Cutoff Current ICBO -15 nA VCB=-30V, IE=0 2
DC Current Gain hFE 220 475 VCE=-5V, IC=-2mA 2
Collector-Emitter Saturation Voltage VCE(sat) -0.3 V IC=-10mA, IB=-0.5mA 2
Collector-Emitter Saturation Voltage VCE(sat) -0.65 V IC=-100mA, IB=-5mA 2
Base-Emitter Voltage VBE -0.6 -0.75 V VCE=-5V, IC=-2mA 2

CAD (KiCad official)

  • Symbol: BC857BS-TP
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: bc857bs-tp-etched.step / bc857bs-tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc857bs-tp.step / bc857bs-tp.glb are the bare package body.

Provenance

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

  • Datasheet: MCC Micro Commercial Components datasheet (4 pp, sha256 590df0cd1ba040a0, retrieved 2026-10-19, 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