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Contents

README

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2SA1662

Changjiang Electronics Tech (CJ) · Bipolar Transistors - BJT · SOT-89-3L

2SA1662 from Changjiang Electronics Tech (CJ), 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 input Base terminal of the PNP transistor, with emitter-base voltage VEBO rated at -5 V.
2 COLLECTOR passive Collector terminal of the PNP transistor, with collector-emitter voltage VCEO rated at -80 V and continuous collector current IC rated at -0.4 A.
3 EMITTER passive Emitter terminal of the PNP transistor, with emitter-base breakdown voltage V(BR)EBO of -5 V at IE=-1mA.

Key specifications

Parameter Value
Manufacturer Changjiang Electronics Tech (CJ)
Package SOT-89-3L
Category Transistors
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 -80 V 1
Collector-emitter voltage VCEO -80 V 1
Emitter-base voltage VEBO -5 V 1
Collector current, continuous IC -0.4 A 1
Collector power dissipation PC 0.5 W 1
Junction temperature TJ 150 ℃ 1
Storage temperature Tstg -55 150 ℃ 1
Collector-base breakdown voltage V(BR)CBO -80 V IC=-1mA,IE=0 1
Collector-emitter breakdown voltage V(BR)CEO -80 V IC=-10mA,IB=0 1
Emitter-base breakdown voltage V(BR)EBO -5 V IE=-1mA,IC=0 1
Collector cut-off current ICBO -0.1 μA VCB=-80V,IE=0 1
Emitter cut-off current IEBO -0.1 μA VEB=-5V,IC=0 1
DC current gain hFE(1) hFE(1) 70 240 VCE=-2V,IC=-50mA 1
DC current gain hFE(2) hFE(2) 40 VCE=-2V,IC=-200mA 1
Collector-emitter saturation voltage VCE(sat) -0.4 V IC=-200mA,IB=-20mA 1
Base-emitter voltage VBE -0.55 -0.8 V VCE=-2V,IC=-5mA 1
Transition frequency fT 120 MHz VCE=-10V,IC=-10mA 1
Collector output capacitance Cob 14 pF VCB=-10V,IE=0,f=1MHz 1

CAD (KiCad official)

  • Symbol: 2SA1662
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3L (KiCad packages3D, STEP)
  • 3D model files: 2sa1662-etched.step / 2sa1662-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sa1662.step / 2sa1662.glb are the bare package body.

Provenance

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

  • Datasheet: Changjiang Electronics Tech (CJ) datasheet (1 pp, sha256 8550cf9c040033ba, retrieved 2026-10-28, 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