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2SC554

Public Made by Adom

by adom

Changjing Bipolar (BJT), SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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2SC554

Changjing · Bipolar (BJT) · SOT-89-3L

2SC554 from Changjing, in a SOT-89-3L. 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 passive Base terminal of the NPN transistor, with emitter-base breakdown V(BR)EBO of 6 V minimum and VEBO rated at 6 V.
2 COLLECTOR passive Collector terminal, rated for VCBO and VCEO of 100 V, collector current IC of 2 A, and collector power dissipation PC of 500 mW.
3 EMITTER passive Emitter terminal, the reference for base and collector, with emitter-base rating VEBO of 6 V.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-89-3L
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 breakdown voltage V(BR)CBO 100 V IC=0.1mA, IE=0 1
Collector-emitter breakdown voltage V(BR)CEO 100 V IC=1mA, IB=0 1
Emitter-base breakdown voltage V(BR)EBO 6 V IE=0.1mA, IC=0 1
Collector cut-off current ICBO 1 µA VCB=100V, IE=0 1
Emitter cut-off current IEBO 1 µA VEB=4V, IC=0 1
DC current gain hFE 82 270 VCE=3V, IC=100mA 1
Collector-emitter saturation voltage VCE(sat) 0.2 V IC=500mA, IB=25mA 1
Collector-emitter saturation voltage VCE(sat) 0.3 V IC=1A, IB=50mA 1
Transition frequency fT 30 MHz VCE=5V, IC=100mA 1
Collector output capacitance Cob 16 pF VCB=10V, IE=0, f=1MHz 1
Collector-Base Voltage VCBO 100 V Ta=25℃ unless otherwise noted 1
Collector-Emitter Voltage VCEO 100 V Ta=25℃ unless otherwise noted 1
Emitter-Base Voltage VEBO 6 V Ta=25℃ unless otherwise noted 1
Collector Current IC 2 A Ta=25℃ unless otherwise noted 1
Collector Power Dissipation PC 500 mW Ta=25℃ unless otherwise noted 1
Operation Junction and Storage Temperature Range TJ,Tstg -55 150 ℃ 1
Thermal Resistance From Junction To Ambient RθJA 250 ℃/W Ta=25℃ unless otherwise noted 1

CAD (KiCad official)

  • Symbol: 2SC554
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3L (KiCad packages3D, STEP)
  • 3D model files: 2sc554-etched.step / 2sc554-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sc554.step / 2sc554.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (4 pp, sha256 e93797551eb90486, 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