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2SB1260

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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2SB1260

Changjing · Bipolar (BJT) · SOT-89-3L

2SB1260 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 input Base terminal of the PNP transistor; the emitter-base breakdown voltage is -5 V minimum (VEBO -5 V maximum rating).
2 COLLECTOR passive Collector terminal; rated for VCBO -80 V, VCEO -80 V, collector current IC -1 A and collector power dissipation PC 500 mW.
3 EMITTER passive Emitter terminal of the PNP transistor; the emitter-base breakdown voltage is -5 V minimum (VEBO -5 V maximum rating).

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 -80 V IC=-50µA,IE=0 1
Collector-emitter breakdown voltage V(BR)CEO -80 V IC=-1mA,IB=0 1
Emitter-base breakdown voltage V(BR)EBO -5 V IE=-50µA,IC=0 1
Collector cut-off current ICBO -1 µA VCB=-60V,IE=0 1
Emitter cut-off current IEBO -1 µA VEB=-4V,IC=0 1
DC current gain hFE 82 390 VCE=-3V, IC=-0.1A 1
Collector-emitter saturation voltage VCE(sat) -0.4 V IC=-500mA,IB=-50mA 1
Collector output capacitance Cob 25 pF VCB=-10V,IE=0, f=1MHz 1
Transition frequency fT 100 MHz VCE=-5V,IC=-50mA, f=30MHz 1
Collector-Base Voltage VCBO -80 V 1
Collector-Emitter Voltage VCEO -80 V 1
Emitter-Base Voltage VEBO -5 V 1
Collector Current IC -1 A 1
Collector Power Dissipation PC 500 mW 1
Junction Temperature Tj 150 ℃ 1
Storage Temperature Tstg -55 150 ℃ 1
Thermal Resistance From Junction To Ambient RθJA 250 ℃/W 1

CAD (KiCad official)

  • Symbol: 2SB1260
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3L (KiCad packages3D, STEP)
  • 3D model files: 2sb1260-etched.step / 2sb1260-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sb1260.step / 2sb1260.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (1 pp, sha256 f6c6ec0f88827828, retrieved 2026-10-17, 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