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MMST3906

BORN · Bipolar (BJT) · SOT-323

MMST3906 from BORN, in a SOT-323. 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 passive Base terminal of the PNP transistor; the emitter-base voltage is limited to VEBO -5 V.
2 EMITTER passive Emitter terminal of the PNP transistor; the emitter-base voltage is limited to VEBO -5 V.
3 COLLECTOR passive Collector terminal of the PNP transistor; ratings are VCBO -50 V, VCEO -40 V and IC -200 mA continuous.

Key specifications

Parameter Value
Manufacturer BORN
Package SOT-323
Category Transistors/Thyristors
Pins 3

CAD (KiCad official)

  • Symbol: MMST3906
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: mmst3906-etched.step / mmst3906-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmst3906.step / mmst3906.glb are the bare package body.

Provenance

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

  • Datasheet: BORN datasheet (3 pp, sha256 d1ad4a8bed79f661, 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