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Contents

README

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2SD313

Changjing · Bipolar Transistors - BJT · TO-220-3L

2SD313 from Changjing, in a TO-220-3L. 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; VEBO max 5 V and IB=0.2A in the VCE(sat) test condition.
2 COLLECTOR passive Collector terminal; VCBO 60 V, VCEO 60 V, continuous IC max 3 A.
3 EMITTER passive Emitter terminal of the NPN transistor; VEBO max 5 V relative to base.

Key specifications

Parameter Value
Manufacturer Changjing
Package TO-220-3L
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
Collector-base breakdown voltage V(BR)CBO 60 V IC=100μA, IE=0 2
Collector-emitter breakdown voltage V(BR)CEO 60 V IC=1mA, IB=0 2
Emitter-base breakdown voltage V(BR)EBO 5 V IE=100μA, IC=0 2
Collector cut-off current ICBO 100 μA VCB=60V, IE=0 2
Collector cut-off current ICEO 1 mA VCE=60V, IE=0 2
Emitter cut-off current IEBO 100 μA VEB=4V, IC=0 2
DC current gain hFE(1) 40 320 VCE=2V, IC=1A 2
DC current gain hFE(2) 40 VCE=2V, IC=0.1A 2
Collector-emitter saturation voltage VCE(sat) 1 V IC=2A, IB=200mA 2
Base-emitter voltage VBE 1.5 V VCE=2V, IC=1A 2
Transition frequency fT 8 MHz VCE=5V, IC=500mA 2
Collector output capacitance Cob 65 pF VCB=10V, IE=0,f=1MHz 2
Collector-Base Voltage VCBO 60 V Ta=25℃ 1
Collector-Emitter Voltage VCEO 60 V Ta=25℃ 1
Emitter-Base Voltage VEBO 5 V Ta=25℃ 1
Collector Current -Continuous IC 3 A Ta=25℃ 1
Collector Power Dissipation PC 1.75 W Ta=25℃ 1
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ Ta=25℃ 1

CAD (KiCad official)

  • Symbol: 2SD313
  • Footprint: Package_TO_SOT_THT:TO-220-3_Vertical
  • 3D model: TO-220-3L (KiCad packages3D, STEP)
  • 3D model files: 2sd313-etched.step / 2sd313-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sd313.step / 2sd313.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (3 pp, sha256 f58aabf3d80cb25a, retrieved 2026-10-27, 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