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2SB1386-R

Public Made by Adom

by adom

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

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2SB1386-R

KEXIN · Bipolar (BJT) · SOT-89

2SB1386-R from KEXIN, 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 Base passive Base terminal of the PNP transistor, with emitter-base breakdown voltage BVEBO of -6 V minimum and VEBO rated at -6 V, and base drive of IB = -0.1 A used in the VCE(sat) test at IC = -4 A.
2 Collector passive Collector terminal, rated for IC = -5 A continuous and ICP = -10 A single pulse (Pw = 10 ms), with VCBO = -30 V and VCEO = -20 V, and PC = 0.5 W.
3 Emitter passive Emitter terminal of the PNP transistor, with emitter-base voltage VEBO rated at -6 V.

Key specifications

Parameter Value
Manufacturer KEXIN
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 -30 V 1
Collector-emitter voltage VCEO -20 V 1
Emitter-base voltage VEBO -6 V 1
Collector current IC -5 A 1
Collector current (pulse) ICP -10 A Single pulse, Pw=10ms 1
Collector power dissipation PC 0.5 W 1
Junction temperature Tj 150 °C 1
Storage temperature Tstg -55 150 °C 1
Collector-base breakdown voltage BVCBO -30 V IC=-50 (prefix not legible in text) 1
Collector-emitter breakdown voltage BVCEO -20 V IC=-1mA 1
Emitter-base breakdown voltage BVEBO -6 V IE=-50 (prefix not legible in text) 1
Collector cutoff current ICBO -0.5 A VCB=-20V 1
Emitter cutoff current IEBO -0.5 A VEB=-5V 1
Collector-emitter saturation voltage VCE(sat) -1 V IC=-4A, IB=-0.1A 1
DC current gain (R range) hFE 180 390 VCE=-2V, IC=-0.5A 1
Transition frequency fT 120 MHz VCE=-6V, IE=50mA, f=30MHz 1

CAD (KiCad official)

  • Symbol: 2SB1386-R
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 2sb1386-r-etched.step / 2sb1386-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2sb1386-r.step / 2sb1386-r.glb are the bare package body.

Provenance

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

  • Datasheet: KEXIN datasheet (3 pp, sha256 cba75fa747dd537d, 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