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AD-2SC2412-R

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

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AD-2SC2412-R

Changjing · Bipolar Transistors - BJT · SOT-23

AD-2SC2412-R 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 of the NPN transistor; emitter-base breakdown voltage VEBO is 7 V and base-emitter cut-off current IEBO is at most 0.1 µA at VEB = 7 V.
2 EMITTER passive Emitter of the NPN transistor; collector continuous current is rated at 150 mA and power dissipation at 200 mW.
3 COLLECTOR passive Collector of the NPN transistor; VCBO is 60 V, VCEO is 50 V and continuous collector current IC is 150 mA.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23
Category Triode/MOS Tube/Transistor
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
DC current gain (rank R) hFE 180 390 VCE = 6V, IC = 1mA 1
Collector-base breakdown voltage V(BR)CBO 60 V IC = 50µA, IE = 0A 2
Collector-emitter breakdown voltage V(BR)CEO 50 V IC = 1mA, IB = 0A 2
Emitter-base breakdown voltage V(BR)EBO 7 V IE = 50µA, IC = 0A 2
Collector-base cut-off current ICBO 0.1 µA VCB =60V, IE = 0A 2
Emitter-base cut-off current IEBO 0.1 µA VEB = 7V, IC = 0A 2
Collector-emitter saturation voltage VCE(sat) 0.4 V IC = 50mA, IB = 5mA 2
Collector output capacitance Cob 2 3.5 pF VCB = 12V, IE = 0, f=1MHz 2
Transition frequency fT 160 MHz VCE = 12V, IC = -2mA, f = 100MHz 2
Collector-base voltage VCBO 60 V Tj = 25°C 2
Collector-emitter voltage VCEO 50 V Tj = 25°C 2
Emitter-base voltage VEBO 7 V Tj = 25°C 2
Collector continuous current IC 150 mA Tj = 25°C 2
Collector power dissipation PC 200 mW Tj = 25°C 2
Operating junction and storage temperature range Tj, Tstg -55 150 °C 2
Thermal resistance from junction to ambient RθJA 625 °C/W 2

CAD (KiCad official)

  • Symbol: AD-2SC2412-R
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ad-2sc2412-r-etched.step / ad-2sc2412-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad-2sc2412-r.step / ad-2sc2412-r.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (6 pp, sha256 c24e8451ca0bf6ff, retrieved 2026-10-23, 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