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MMUN2211LT3G

Public Made by Adom

by adom

onsemi Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMUN2211LT3G

onsemi · Digital Transistors · SOT-23

MMUN2211LT3G from onsemi, 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 BASE input Base (input) terminal of the bias resistor transistor, which has a series input resistor R1 of 10 kΩ; the datasheet limits input forward voltage to 40 Vdc and input reverse voltage to 10 Vdc.
2 EMITTER power_in Emitter, labeled GROUND on the datasheet, serving as the common reference for the monolithic base-emitter bias resistor R2 of 10 kΩ.
3 COLLECTOR output Collector (output) terminal, rated for a collector-emitter voltage VCEO of 50 Vdc and continuous collector current IC of 100 mAdc.

Key specifications

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

CAD (KiCad official)

  • Symbol: MMUN2211LT3G
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: mmun2211lt3g-etched.step / mmun2211lt3g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmun2211lt3g.step / mmun2211lt3g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (12 pp, sha256 8ecd4b69e2eafb1c, retrieved 2026-10-09, 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