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2SC2881G-Y-AB3-R

UTC Unisonic Tech · Bipolar (BJT) · SOT-89

2SC2881G-Y-AB3-R from UTC Unisonic Tech, in a SOT-89. 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 B input Base terminal of the NPN transistor; the absolute maximum base current IB is 160 mA.
2 C passive Collector terminal of the NPN transistor; the absolute maximum collector current IC is 800 mA and the collector-emitter voltage VCEO is 120 V.
3 E passive Emitter terminal of the NPN transistor; the absolute maximum emitter-base voltage VEBO is 5 V.

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
Package SOT-89
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 120 V TA=25°C, unless otherwise specified 2
Collector-emitter voltage VCEO 120 V TA=25°C, unless otherwise specified 2
Emitter-base voltage VEBO 5 V TA=25°C, unless otherwise specified 2
Collector current IC 800 mA TA=25°C, unless otherwise specified 2
Base current IB 160 mA TA=25°C, unless otherwise specified 2
Collector power dissipation (SOT-89) PC 500 mW SOT-89 package, TA=25°C, unless otherwise specified 2
Junction temperature TJ 150 C TA=25°C, unless otherwise specified 2
Storage temperature range TSTG -55 150 C 2
Collector-emitter breakdown voltage V(BR)CEO 120 V IC=10mA, IB=0 2
Emitter-base breakdown voltage V(BR)EBO 5 V IE=1mA, Ic=0 2
Collector cut-off current ICBO 0.1 μA VCB=120V, IE=0 2
Emitter cut-off current IEBO 0.1 μA VEB=5V, IC=0 2
DC current gain (Rank Y) hFE 120 240 VCE=5V, IC=100mA 2
Collector-emitter saturation voltage VCE(SAT) 1 V IC=500mA, IB=50mA 2
Base-emitter voltage VBE 1 V VCE=5V, IC=500mA 2
Transition frequency fT 120 MHz VCE=5V, IC=100mA 2
Collector output capacitance COB 30 pF VCB=10V, f=1MHz, IE=0 2

CAD (KiCad official)

  • Symbol: 2SC2881G-Y-AB3-R
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 2sc2881g-y-ab3-r-etched.step / 2sc2881g-y-ab3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sc2881g-y-ab3-r.step / 2sc2881g-y-ab3-r.glb are the bare package body.

Provenance

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

  • Datasheet: UTC Unisonic Tech datasheet (4 pp, sha256 91320cbcb7196cf2, retrieved 2026-10-14, 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