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2SC2712

Public Made by Adom

by adom

Changjing Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SC2712

Changjing · Bipolar (BJT) · SOT-23

2SC2712 from Changjing, in a SOT-23. 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 NPN transistor; the maximum emitter-base voltage VEBO is 5 V and the continuous collector current is limited to 150 mA.
2 EMITTER passive Emitter terminal of the NPN transistor; the emitter-base breakdown voltage V(BR)EBO is 5 V at IE=100µA with IC=0.
3 COLLECTOR passive Collector terminal of the NPN transistor; ratings are VCBO 60 V, VCEO 50 V, IC 150 mA continuous, and collector power dissipation PC 150 mW.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23
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 60 V 1
Collector-emitter voltage VCEO 50 V 1
Emitter-base voltage VEBO 5 V 1
Collector current -Continuous IC 150 mA 1
Collector power dissipation PC 150 mW 1
Junction temperature TJ 150 ℃ 1
Storage temperature Tstg -55 150 ℃ 1
Collector-base breakdown voltage V(BR)CBO 60 V IC= 100μA, IE=0 1
Collector-emitter breakdown voltage V(BR)CEO 50 V IC=1mA ,IB=0 1
Emitter-base breakdown voltage V(BR)EBO 5 V IE= 100μA, IC=0 1
Collector cut-off current ICBO 0.1 μA VCB= 60 V, IE=0 1
Emitter cut-off current IEBO 0.1 μA VEB=5V, IC=0 1
DC current gain hFE 70 700 VCE=6V, IC=2mA 1
Collector-emitter saturation voltage VCE(sat) 0.1 0.25 V IC= 100mA, IB=10mA 1
Transition frequency fT 80 MHz VCE=10V, IC= 1mA 1
Output capacitance Cob 2 3.5 pF VCB=10V, IE=0, f=1 MHz 1
Noise Figure NF 1 10 dB VCE=6V, IC=0.1mA, f=1kHz, Rg=10kΩ 1

CAD (KiCad official)

  • Symbol: 2SC2712
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: 2sc2712-etched.step / 2sc2712-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sc2712.step / 2sc2712.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (4 pp, sha256 bf94ac911e54b8a7, retrieved 2026-10-17, 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