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MMBT8050D

Public Made by Adom

by adom

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

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 28d ago
viewers mmbt8050d: viewers · Ray 28d ago
mmbt8050d-etched.glb mmbt8050d: factory component page (tier=lcsc) · Ray 28d ago
mmbt8050d-etched.step mmbt8050d: factory component page (tier=lcsc) · Ray 28d ago
mmbt8050d-hero.glb mmbt8050d: hero GLB from the etched model (keeps the MPN mark) · Ray 28d ago
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mmbt8050d.glb Publish 0.1.0 · Ray 28d ago
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MMBT8050D

ST Semtech · Bipolar (BJT) · SOT-23

MMBT8050D from ST Semtech, 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 voltage VEBO max 6 V, with DC gain hFE 160 to 400 for the D grade at VCE = 1 V, IC = 100 mA.
2 E passive Emitter; the common terminal of the NPN transistor, with collector current IC max 600 mA.
3 C passive Collector; VCBO max 40 V, VCEO max 25 V, IC max 600 mA, and Ptot 350 mW.

Key specifications

Parameter Value
Manufacturer ST Semtech
Package SOT-23
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: MMBT8050D
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmbt8050d-etched.step / mmbt8050d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbt8050d.step / mmbt8050d.glb are the bare package body.

Provenance

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

  • Datasheet: ST Semtech datasheet (2 pp, sha256 ca77526be25dd77b, retrieved 2026-10-09, 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