component

BMSN3139

Public Made by Adom

by adom

BORN MOSFETs, SOT-323. 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 bmsn3139: viewers · Ray 28d ago
bmsn3139-etched.glb bmsn3139: factory component page (tier=lcsc) · Ray 28d ago
bmsn3139-etched.step bmsn3139: factory component page (tier=lcsc) · Ray 28d ago
bmsn3139-hero.glb bmsn3139: hero GLB from the etched model (keeps the MPN mark) · Ray 28d ago
bmsn3139-hero.overlay.json Publish 0.1.0 · Ray 28d ago
bmsn3139.glb Publish 0.1.0 · Ray 28d ago
bmsn3139.kicad_mod Publish 0.1.0 · Ray 28d ago
bmsn3139.kicad_sym Publish 0.1.0 · Ray 28d ago
bmsn3139.lbr Publish 0.1.0 · Ray 28d ago
bmsn3139.step Publish 0.1.0 · Ray 28d ago
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README.md Publish 0.1.0 · Ray 28d ago

BMSN3139

BORN · MOSFETs · SOT-323

BMSN3139 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 G input Gate; gate-source voltage limited to ±12 V, with threshold VGS(th) between -0.4 V and -1.1 V at ID=-250 µA.
2 S passive Source of the P-channel MOSFET; drain-source voltage rated -20 V and body diode forward voltage max -1.2 V at ISD=-0.7 A.
3 D passive Drain; continuous drain current -2.0 A, pulsed -10 A, with RDS(ON) max 135 mΩ at VGS=-4.5 V.

Key specifications

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

CAD (KiCad official)

  • Symbol: BMSN3139
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: bmsn3139-etched.step / bmsn3139-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bmsn3139.step / bmsn3139.glb are the bare package body.

Provenance

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

  • Datasheet: BORN datasheet (3 pp, sha256 2ee783c6001add3e, 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