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BC817-16W

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Yangzhou Yangjie Elec Tech Bipolar (BJT), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BC817-16W

Yangzhou Yangjie Elec Tech · Bipolar (BJT) · SOT-323

BC817-16W from Yangzhou Yangjie Elec Tech, in a SOT-323. 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 B input Base of the NPN transistor; the datasheet gives VEBO of 5.0 V maximum and IEBO of 0.1 uA maximum at VEB=4.0 V.
2 E passive Emitter of the NPN transistor; the datasheet gives VCEO of 45 V and IC of 0.5 A as the maximum collector ratings.
3 C passive Collector of the NPN transistor; the datasheet gives VCBO of 50 V, VCEO of 45 V and IC of 0.5 A as maximum ratings.

Key specifications

Parameter Value
Manufacturer Yangzhou Yangjie Elec Tech
Package SOT-323
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-Emitter Voltage (breakdown) VCEO 45 V IC=10mAdc, IB=0 2
Collector-Base Voltage (breakdown) VCBO 50 V IC=10uAdc, IE=0 2
Emitter-Base Voltage (breakdown) VEBO 5 V IE=1.0uAdc, IC=0 2
Emitter-base Cut-off Current IEBO 0.1 uAdc VEB=4.0Vdc, IC=0 2
Collector-base Cut-off Current ICBO 0.1 uAdc VCB=45Vdc, IE=0 2
DC Current Gain (BC817-16W rank range) hFE(1) 100 250 IC=100mAdc, VCE=1.0Vdc 2
DC Current Gain hFE(2) 40 IC=500mAdc, VCE=1.0Vdc 2
Collector-Emitter Saturation Voltage VCE(sat) 0.7 V IC=500mAdc, IB=50mAdc 2
Base-Emitter Saturation Voltage VBE(sat) 1.2 V IC=500mAdc, IB=50mAdc 2
Transition frequency fT 100 MHz IC=10mAdc, VCE=5.0Vdc, f=100MHz 2
Collector-Emitter Voltage VCEO 45 V 1
Collector-Base Voltage VCBO 50 V 1
Emitter-Base Voltage VEBO 5 V 1
Collector Current IC 0.5 A 1
Power Dissipation 0.2 Watts TA=25℃ 1
Thermal Resistance from Junction to Ambient RθJA 625 ℃/W 1
Operation Junction Temperature Tj -55 150 ℃ 1
Storage Temperature Tstg -55 150 ℃ 1

CAD (KiCad official)

  • Symbol: BC817-16W
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: bc817-16w-etched.step / bc817-16w-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bc817-16w.step / bc817-16w.glb are the bare package body.

Provenance

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

  • Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256 c963d42626f8f789, retrieved 2026-10-18, 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