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2SB1260G-Q-AB3-R

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

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2SB1260G-Q-AB3-R

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

2SB1260G-Q-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 passive Base terminal of the PNP transistor, driven to control collector current; the device emitter-base voltage rating VEBO is -5 V.
2 C passive Collector terminal of the PNP transistor; the device is rated for DC collector current IC of -1 A (peak -2 A, single pulse Pw=100 ms) and collector-emitter voltage VCEO of -80 V.
3 E passive Emitter terminal of the PNP transistor, the reference terminal for the base drive; the device emitter-base voltage rating 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-Emitter Saturation Voltage VCE(SAT) -0.4 V IC=-500mA, IB=-50mA 2
Transition Frequency fT 100 MHz VCE=-5V, IE=50mA, f=30MHz 2
DC Current Gain hFE 82 390 VCE=-3V, IOUT=-0.1A; pulse test PW<300us, duty cycle<2% 2
Collector Base Breakdown Voltage BVCBO -80 V IC=-50μA 2
Collector Emitter Breakdown Voltage BVCEO -80 V IC=-1mA 2
Emitter Base Breakdown Voltage BVEBO -5 V IE=-50μA 2
Collector Cut-Off Current ICBO -1 μA VCB=-60V 2
Emitter Cut-Off Current IEBO -1 μA VEB=-4V 2
Output Capacitance Cob 25 pF VCB=-10V, IE=0, f=1MHz 2
Collector-Base Voltage VCBO -80 V TA=25°C, unless otherwise specified 2
Collector-Emitter Voltage VCEO -80 V TA=25°C, unless otherwise specified 2
Emitter-Base Voltage VEBO -5 V TA=25°C, unless otherwise specified 2
Peak Collector Current ICM -2 A single pulse, Pw=100ms 2
DC Collector Current IC -1 A TA=25°C, unless otherwise specified 2
Power Dissipation SOT-89 PD 0.5 W Printed circuit board 1.7mm thick, collector copper plating 100mm2 or larger 2
Junction Temperature TJ 150 °C 2
Storage Temperature TSTG -40 150 °C 2

CAD (KiCad official)

  • Symbol: 2SB1260G-Q-AB3-R
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 2sb1260g-q-ab3-r-etched.step / 2sb1260g-q-ab3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sb1260g-q-ab3-r.step / 2sb1260g-q-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 f56e53c76707d2c9, retrieved 2026-10-13, 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