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MMBT5401_R1_00001

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PANJIT International Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMBT5401_R1_00001

PANJIT International · Bipolar (BJT) · SOT-23

MMBT5401_R1_00001 from PANJIT International, in a SOT-23. 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 input Base; Fig.35 shows the bottom-left lead tied to the base, with VCBO -160 Vdc and VEBO -5.0 Vdc maximum.
2 E passive Emitter; Fig.35 shows the bottom-right lead tied to the emitter, with VEBO -5.0 Vdc maximum.
3 C passive Collector; Fig.35 shows the single top lead tied to the collector, with VCEO -150 Vdc, VCBO -160 Vdc and IC -600 mAdc maximum.

Key specifications

Parameter Value
Manufacturer PANJIT International
Package SOT-23
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
Emitter-Base Voltage (absolute maximum) VEBO -5 V 1
Collector Current (absolute maximum) IC -600 mA 1
Emitter-Base Breakdown Voltage V(BR)EBO -5 Vdc IE=-10µAdc, IC=0 2
Collector-Emitter Saturation Voltage VCE(SAT) -0.5 Vdc IC=-50mAdc, IB=-5.0mAdc 2
Base-Emitter Saturation Voltage VBE(SAT) -1 Vdc IC=-10mAdc, IB=-1.0mAdc 2
Output Capacitance Cobo 6 pF VCB=-10Vdc, IE=0, f=1.0MHz 2
Noise Figure NF 8 dB IC=-200µAdc, VCE=-5.0Vdc, RS=10Ω, f=1.0kHz 2

CAD (KiCad official)

  • Symbol: MMBT5401_R1_00001
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmbt5401-r1-00001-etched.step / mmbt5401-r1-00001-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbt5401-r1-00001.step / mmbt5401-r1-00001.glb are the bare package body.

Provenance

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

  • Datasheet: PANJIT International datasheet (7 pp, sha256 dd0753e212b3cf23, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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