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MMBT5551-TP

Public Made by Adom

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

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MMBT5551-TP

MCC Micro Commercial Components · Bipolar (BJT) · SOT-23

MMBT5551-TP from MCC Micro Commercial Components, 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; emitter-base breakdown voltage V(BR)EBO is 6.0V minimum and emitter cutoff current IEBO is 50nA maximum at VEB=4.0V.
2 E passive Emitter; V(BR)EBO of 6.0V minimum relative to the base, with IEBO at most 50nA at VEB=4.0V.
3 C passive Collector; V(BR)CEO 160V minimum, V(BR)CBO 180V minimum, collector current ICM=0.6A.

Key specifications

Parameter Value
Manufacturer MCC Micro Commercial Components
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
Collector-Emitter Breakdown Voltage V(BR)CEO 160 Vdc IC=1.0mAdc, IB=0 1
Collector-Base Breakdown Voltage V(BR)CBO 180 Vdc IC=100uAdc, IE=0 1
Emitter-Base Breakdown Voltage V(BR)EBO 6 Vdc IE=10uAdc, IC=0 1
Collector Cutoff Current ICBO 50 nAdc VCB=120Vdc, IE=0 1
Emitter Cutoff Current IEBO 50 nAdc VEB=4.0Vdc, IC=0 1
DC Current Gain hFE-1 80 --- VCE=5.0Vdc, IC=1.0mAdc 1
DC Current Gain hFE-2 100 300 --- VCE=5.0Vdc, IC=10mAdc 1
DC Current Gain hFE-3 50 --- VCE=5.0Vdc, IC=50mAdc 1
Collector-Emitter Saturation Voltage VCE(sat) 0.2 Vdc IC=50mAdc, IB=5.0mAdc 1
Base-Emitter Saturation Voltage VBE(sat) 1 Vdc IC=50mAdc, IB=5.0mAdc 1
Current Gain-Bandwidth Product fT 100 300 MHz IC=10mAdc, VCE=5.0Vdc, f=30MHz 1
Collector Current (Features list) ICM 0.6 A 1
Operating and Storage Temperature (Features list) -55 150 °C 1
Power Dissipation (Features list) 0.3 W 1

CAD (KiCad official)

  • Symbol: MMBT5551-TP
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmbt5551-tp-etched.step / mmbt5551-tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbt5551-tp.step / mmbt5551-tp.glb are the bare package body.

Provenance

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

  • Datasheet: MCC Micro Commercial Components datasheet (2 pp, sha256 29431f193a294cf4, retrieved 2026-10-18, 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