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Contents

README

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8050SS

Changjing · Bipolar (BJT) · TO-92

8050SS from Changjing, in a TO-92. 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 EMITTER passive Emitter of the NPN transistor; VEBO max 5 V (V(BR)EBO min 5 V at IE=0.1 mA).
2 COLLECTOR passive Collector of the NPN transistor; VCBO 40 V, VCEO 25 V, IC max 1.5 A.
3 BASE passive Base of the NPN transistor; drives the device with hFE(1) of 85-300 at VCE=1 V, IC=100 mA.

Key specifications

Parameter Value
Manufacturer Changjing
Package TO-92
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 40 V Ta=25℃ 1
Collector-Emitter Voltage VCEO 25 V Ta=25℃ 1
Emitter-Base Voltage VEBO 5 V Ta=25℃ 1
Collector Current IC 1.5 A Ta=25℃ 1
Collector Power Dissipation PC 1 W Ta=25℃ 1
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ 1
Thermal Resistance From Junction To Ambient RθJA 125 ℃/W 1
Collector-base breakdown voltage V(BR)CBO 40 V IC=0.1mA, IE=0 2
Collector-emitter breakdown voltage V(BR)CEO 25 V IC=0.1mA, IB=0 2
Emitter-base breakdown voltage V(BR)EBO 5 V IE=0.1mA, IC=0 2
Collector cut-off current ICBO 0.1 μA VCB=40V, IE=0 2
Emitter cut-off current IEBO 0.1 μA VEB=5V, IC=0 2
DC current gain hFE(1) 85 300 VCE=1V, IC=100mA 2
DC current gain hFE(2) 40 VCE=1V, IC=800mA 2
Collector-emitter saturation voltage VCE(sat) 0.5 V IC=800mA, IB=80mA 2
Base-emitter saturation voltage VBE(sat) 1.2 V IC=800mA, IB=80mA 2
Base-emitter voltage VBE 1 V VCE=1V, IC=10mA 2
Collector output capacitance Cob 15 pF VCB=10V, IE=0, f=1MHz 2
Transition frequency fT 100 MHz VCE=10V, IC=50mA, f=30MHz 2

CAD (KiCad official)

  • Symbol: 8050SS
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: 8050ss-etched.step / 8050ss-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 8050ss.step / 8050ss.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (5 pp, sha256 af9604ae913bc7b9, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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