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BC857BS_R1_00001

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PANJIT International Bipolar Transistors - BJT, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componenttransistorsbc857bs_r1_00001factory-2.0.0extractor-text

Verified BC857BS_R1_00001

by Ray · last 31 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

31 Oct 2026RayPublished by the parts factory: tier lcsc, 6 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: BC857BS_R1_00001 · SOT-363 · 6 pins
  • ✓copper: 6 copper pads, none touching another net
  • •datasheet (warn): 1/6 pin names appear NOWHERE in the datasheet text: ['5:B2@p1']
  • ✓distributor: lcsc C391425, digikey 3757-BC857BS_R1_00001TR-ND, mouser 241-BC857BS_R1_00001
  • ✓family: SOT-363_SC-70-6
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-6a4een3r/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 6 pins = 6 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 6 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ bc857bs-r1-00001.kicad_sym✓ bc857bs-r1-00001.kicad_mod✓ bc857bs-r1-00001.step
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Contents

README

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BC857BS_R1_00001

PANJIT International · Bipolar Transistors - BJT · SOT-363

BC857BS_R1_00001 from PANJIT International, 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 TR1 (PNP); the datasheet gives VEBO of -5.0 V and VCEO of -45 V for the part.
2 B1 input Base of transistor TR1 (PNP); the datasheet gives VEBO of -5.0 V.
3 C2 passive Collector of transistor TR2 (PNP); the datasheet gives VCEO of -45 V, VCBO of -50 V and continuous collector current of -100 mA.
4 E2 passive Emitter of transistor TR2 (PNP); the datasheet gives VEBO of -5.0 V and VCEO of -45 V for the part.
5 B2 input Base of transistor TR2 (PNP); the datasheet gives VEBO of -5.0 V.
6 C1 passive Collector of transistor TR1 (PNP); the datasheet gives VCEO of -45 V, VCBO of -50 V and continuous collector current of -100 mA.

Key specifications

Parameter Value
Manufacturer PANJIT International
Package SOT-363
Category Transistors
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-Emitter Breakdown Voltage V(BR)CEO -45 V IC=-10mA 2
Collector-Emitter Breakdown Voltage V(BR)CES -50 V IC=-10uA, VEB=0 2
Collector-Base Breakdown Voltage V(BR)CBO -50 V IC=-10uA 2
Emitter-Base Breakdown Voltage V(BR)EBO -5 V IE=-1uA 2
Collector Cutoff Current ICBO -15 nA VCB=-30V 2
Collector Cutoff Current ICBO -5 uA VCB=-30V, TA=150 OC 2
DC Current Gain hFE 150 220 IC=-10uA, VCE=-5V 2
DC Current Gain hFE 290 475 IC=-2.0mA, VCE=-5V 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=-5.0mA 2
Base-Emitter Saturation Voltage VBE(SAT) -0.7 V IC=-10mA, IB=-0.5mA 2
Base-Emitter Saturation Voltage VBE(SAT) -0.9 V IC=-100mA, IB=-5.0mA 2
Base-Emitter Voltage VBE(ON) -0.6 -0.75 V IC=-2mA, VCE=-5.0V 2
Base-Emitter Voltage VBE(ON) -0.82 V IC=-10mA, VCE=-5.0V 2
Current-Gain-Bandwidth Product fT 100 MHZ IC=-10mA,VCE=-5.0Vdc, f=100MHZ 2
Output Capacitance Cobo 4.5 pF VCB=-10V,f=1.0MHZ 2
Noise Figure NF 10 dB IC=0.2mA,VCE=5.0Vdc, RS=2.0kΩ,f=1.0kHZ, BW=200HZ 2
Collector-Emitter Voltage VCEO -45 V 1
Collector-Base Voltage VCBO -50 V 1
Emitter-Base Voltage VEBO -5 V 1
Collector Current-Continuous IC -100 mA 1
Junction Temperature TJ -55 150 °C 1
Storage Temperature TSTG -55 150 °C 1

CAD (KiCad official)

  • Symbol: BC857BS_R1_00001
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: bc857bs-r1-00001-etched.step / bc857bs-r1-00001-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc857bs-r1-00001.step / bc857bs-r1-00001.glb are the bare package body.

Provenance

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

  • Datasheet: PANJIT International datasheet (6 pp, sha256 eef2a3fa130e97f2, retrieved 2026-10-31, 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