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Contents

README

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2N5401-B

Foshan Blue Rocket Elec · Bipolar (BJT) · TO-92

2N5401-B from Foshan Blue Rocket Elec, 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 Collector passive Collector of the PNP transistor, rated VCBO -180 V, VCEO -160 V, continuous IC -600 mA, and collector power dissipation PC 625 mW.
2 Base passive Base of the PNP transistor, with continuous base current IB rated at -300 mA.
3 Emitter passive Emitter of the PNP transistor, with emitter-to-base voltage VEBO rated at -6.0 V.

Key specifications

Parameter Value
Manufacturer Foshan Blue Rocket Elec
Package TO-92
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 to Base Voltage VCBO -180 V 2
Collector to Emitter Voltage VCEO -160 V 2
Emitter to Base Voltage VEBO -6 V 2
Collector Current - Continuous IC -600 mA 2
Base Current - Continuous IB -300 mA 2
Collector Power Dissipation PC 625 mW Ta=25℃ (absolute maximum table heading) 2
Junction Temperature Tj 150 ℃ 2
Storage Temperature Range Tstg -55 150 ℃ 2
Collector Cut-Off Current ICBO -0.1 μA VCB=-180V IE=0 2
Emitter Cut-Off Current IEBO -0.1 μA VEB=-6.0V IC=0 2
DC Current Gain hFE(1) hFE(1) 50 400 VCE=-5.0V IC=-10mA 2
DC Current Gain hFE(2) hFE(2) 20 VCE=-5.0V IC=-50mA 2
DC Current Gain hFE(3) hFE(3) 40 VCE=-5.0V IC=-1.0mA 2
Collector to Emitter Saturation Voltage (1) VCE(sat) (1) -0.12 -0.4 V IC=-10mA IB=-1.0mA 2
Collector to Emitter Saturation Voltage (2) VCE(sat) (2) -0.5 -0.8 V IC=-50mA IB=-5.0mA 2
Base to Emitter Saturation Voltage (1) VBE(sat) (1) -0.75 -1 V IC=-10mA IB=-1.0mA 2
Base to Emitter Saturation Voltage (2) VBE(sat) (2) -0.8 -1 V IC=-50mA IB=-5.0mA 2
Base to Emitter Voltage VBE -0.7 -0.75 V VCE=-5.0V IC=-10mA 2
Current Gain Bandwidth Product fT 50 80 MHz VCE=-10V IC=-10mA 2
Output Capacitance Cob 2.5 5 pF VCB=-10V IE=0 f=10MHz 2
Turn On Time ton 0.1 μs IC=-100mA -IB1=IB2=-10mA 2
Turn Off Time toff 0.2 μs IC=-100mA -IB1=IB2=-10mA 2
Storage Time tstg 0.1 μs IC=-100mA -IB1=IB2=-10mA 2
DC Current Gain hFE classification grade B (marking code range) hFE 100 300 hFE classification B 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing PC Base Current - Continuous IB -300 mA Collector Power Dissipation PC 625 mW 2

CAD (KiCad official)

  • Symbol: 2N5401-B
  • Footprint: Package_TO_SOT_THT:TO-92_Inline
  • 3D model: TO-92 (KiCad packages3D, STEP)
  • 3D model files: 2n5401-b-etched.step / 2n5401-b-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 2n5401-b.step / 2n5401-b.glb are the bare package body.

Provenance

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

  • Datasheet: Foshan Blue Rocket Elec datasheet (6 pp, sha256 312ff6672691f39e, retrieved 2026-10-19, 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