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Contents

README

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MMBTA63LT1G

onsemi · Darlington Transistors · SOT-23

MMBTA63LT1G from onsemi, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 BASE input Base control input for PNP Darlington transistor; emitter-base voltage absolute maximum rating is −10 Vdc.
2 EMITTER passive Emitter terminal; collector-emitter voltage absolute maximum rating is −30 Vdc.
3 COLLECTOR passive Collector terminal; absolute maximum ratings are −30 Vdc for collector-emitter and collector-base voltages, and −500 mAdc continuous collector current.

Key specifications

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

CAD (KiCad official)

  • Symbol: MMBTA63LT1G
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmbta63lt1g-etched.step / mmbta63lt1g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbta63lt1g.step / mmbta63lt1g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (4 pp, sha256 52b8835529afbc88, retrieved 2026-09-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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