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2SC1318

Public Made by Adom

by adom

Changjing Bipolar (BJT), TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SC1318

Changjing · Bipolar (BJT) · TO-92

2SC1318 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 lead of the NPN transistor; the datasheet rates the emitter-base voltage VEBO at 7 V maximum.
2 COLLECTOR passive Collector lead of the NPN transistor; the datasheet rates VCBO at 60 V and VCEO at 50 V, with collector current IC up to 500 mA.
3 BASE passive Base lead of the NPN transistor; saturation voltage VCE(sat) of 0.6 V is specified at IC = 300 mA with IB = 30 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 60 V Ta=25℃ 1
Collector-emitter voltage VCEO 50 V Ta=25℃ 1
Emitter-base voltage VEBO 7 V Ta=25℃ 1
Collector current IC 500 mA Ta=25℃ 1
Collector power dissipation PC 625 mW Ta=25℃ 1
Operation junction and storage temperature range TJ,Tstg -55 150 ℃ 1
Thermal resistance from junction to ambient RθJA 200 ℃/W 1
Collector-base breakdown voltage V(BR)CBO 60 V IC= 0.01mA,IE=0 2
Collector-emitter breakdown voltage V(BR)CEO 50 V IC=10mA,IB=0 2
Emitter-base breakdown voltage V(BR)EBO 7 V IE=0.01mA,IC=0 2
Collector cut-off current ICBO 0.1 μA VCB=20V,IE=0 2
Emitter cut-off current IEBO 0.1 μA VEB=6V,IC=0 2
DC current gain hFE(1) 85 340 VCE=10V, IC=150mA 2
DC current gain hFE(2) 40 VCE=10V, IC=500mA 2
Collector-emitter saturation voltage VCE(sat) 0.6 V IC=300mA,IB=30mA 2
Base-emitter saturation voltage VBE(sat) 1.5 V IC=300mA,IB=30mA 2
Collector output capacitance Cob 15 pF VCB=10V,IE=0, f=1MHz 2
Transition frequency fT 200 MHz VCE=10V,IC=50mA, f=200MHz 2

CAD (KiCad official)

  • Symbol: 2SC1318
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: 2sc1318-etched.step / 2sc1318-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sc1318.step / 2sc1318.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (5 pp, sha256 52b2b354e9b64b09, 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