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BCP51-16

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Slkor SLKORMICRO Elec Bipolar (BJT), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BCP51-16

Slkor SLKORMICRO Elec · Bipolar (BJT) · SOT-223

BCP51-16 from Slkor SLKORMICRO Elec, in a SOT-223. 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 datasheet gives no pin-specific limit, and the BCP51-16 variant is in the hFE(2) rank 100-250 (VCE=-2V, IC=-150mA).
2 COLLECTOR passive Collector terminal; for BCP51 the datasheet limits are VCBO -45 V, VCEO -45 V and continuous collector current -1 A, with PC 1.5 W.
3 EMITTER passive Emitter terminal; the datasheet limits emitter-base voltage VEBO to -5 V.

Key specifications

Parameter Value
Manufacturer Slkor SLKORMICRO Elec
Package SOT-223
Category Transistors/Thyristors
Pins 3

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 -45 V 1
Collector-Emitter Voltage VCEO -45 V 1
Emitter-Base Voltage VEBO -5 V 1
Collector Current -Continuous IC -1 A 1
Collector Power Dissipation PC 1.5 W 1
Storage Temperature Range Tstg -65 150 ℃ 1
Thermal Resistance Junction to Ambient RθJA 94 ℃/W 1
Collector-base breakdown voltage V(BR)CBO -45 V IC=-0.1mA,IE=0 1
Collector-emitter breakdown voltage V(BR)CEO -45 V IC=-10mA,IB=0 1
Base-emitter breakdown voltage V(BR)EBO -5 V IC=-10μA,IE=0 1
Collector cut-off current ICBO -100 nA VCB=-30V,IE=0 1
DC current gain hFE(1) hFE(1) 25 VCE=-2V,IC=-5mA 1
DC current gain hFE(2) (BCP51-16 rank) hFE(2) 100 250 VCE=-2V,IC=-150mA 1
DC current gain hFE(3) hFE(3) 25 VCE=-2V,IC=-500mA 1
Collector-emitter saturation voltage VCE(sat) -0.5 V IC=-500mA,IB=-50mA 1
Base-emitter voltage VBE -1 V VCE=-2V,IC=-500mA 1
Transition frequency fT 100 MHz VCE=-10V,IC=-50mA,f=100MHz 1

CAD (KiCad official)

  • Symbol: BCP51-16
  • Footprint: Package_TO_SOT_SMD:SOT-223-3_TabPin2
  • 3D model: SOT-223 (KiCad packages3D, STEP)
  • 3D model files: bcp51-16-etched.step / bcp51-16-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bcp51-16.step / bcp51-16.glb are the bare package body.

Provenance

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

  • Datasheet: Slkor SLKORMICRO Elec datasheet (3 pp, sha256 7f69f86bb4f62923, retrieved 2026-10-18, 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