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Contents

README

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2N5401G-B-T92-B

UTC(Unisonic Tech) · Bipolar Transistors - BJT · TO-92

2N5401G-B-T92-B from UTC(Unisonic Tech), in a TO-92. 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 E passive Emitter terminal of the PNP transistor, with emitter-base voltage VEBO rated at -5 V.
2 B passive Base terminal of the PNP transistor, with emitter-base breakdown voltage BVEBO of -5 V at IE = -10μA.
3 C passive Collector terminal of the PNP transistor, rated for collector-emitter voltage VCEO of -150 V and collector current IC of -600 mA.

Key specifications

Parameter Value
Manufacturer UTC(Unisonic Tech)
Package TO-92
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 Breakdown Voltage BVCBO -160 V IC = -100μA, IE = 0 2
Collector-Emitter Breakdown Voltage BVCEO -150 V IC = -1mA, IB = 0 2
Emitter-Base Breakdown Voltage BVEBO -5 V IE = -10μA, IC = 0 2
Collector Cut-off Current ICBO -50 nA VCB = -120V, IE = 0 2
Emitter Cut-off Current IEBO -50 nA VEB = -3V, IC = 0 2
DC Current Gain hFE1 80 VCE = -5V, IC = -1mA 2
DC Current Gain hFE2 80 400 VCE = -5V, IC = -10mA 2
Collector-Emitter Saturation Voltage VCE(SAT) -0.2 V IC = -10mA, IB = -1mA 2
Collector-Emitter Saturation Voltage VCE(SAT) -0.5 V IC = -50mA, IB = -5mA 2
Base-Emitter Saturation Voltage VBE(SAT) -1 V IC = -10mA, IB = -1mA 2
Current Gain Bandwidth Product fT 100 400 MHz VCE = -10V, IC = -10mA, f = 100MHz 2
Output Capacitance COB 6 pF VCB = -10V, IE = 0, f = 1MHz 2
Noise Figure NF 8 dB IC = -0.25mA, VCE = -5V, RS = 1k, f = 10Hz ~ 15.7kHz 2
Collector-Base Voltage VCBO -160 V TA=25C 2
Collector-Emitter Voltage VCEO -150 V TA=25C 2
Emitter-Base Voltage VEBO -5 V TA=25C 2
Collector Current IC -600 mA TA=25C 2
Collector Dissipation PC 625 mW TO-92 package, TA=25C 2
Junction Temperature TJ 150 C 2
Storage Temperature TSTG -55 150 C 2

CAD (KiCad official)

  • Symbol: 2N5401G-B-T92-B
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: 2n5401g-b-t92-b-etched.step / 2n5401g-b-t92-b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2n5401g-b-t92-b.step / 2n5401g-b-t92-b.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 e1a4aac50b129fef, retrieved 2026-10-29, tier: manufacturer)
  • 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