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Contents

README

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AO4409

UMW · MOSFETs · SOP-8

AO4409 from UMW, in a SOP-8. 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 S passive Source terminal of the P-channel MOSFET; pins 1, 2 and 3 are internally common source and are to be connected together.
2 S passive Source terminal of the P-channel MOSFET; pins 1, 2 and 3 are internally common source and are to be connected together.
3 S passive Source terminal of the P-channel MOSFET; pins 1, 2 and 3 are internally common source and are to be connected together.
4 G input Gate terminal of the P-channel MOSFET; the absolute maximum gate-source voltage is ±20 V.
5 D passive Drain terminal of the P-channel MOSFET; pins 5 to 8 are internally common drain and are to be connected together, with VDS limited to -30 V.
6 D passive Drain terminal of the P-channel MOSFET; pins 5 to 8 are internally common drain and are to be connected together, with VDS limited to -30 V.
7 D passive Drain terminal of the P-channel MOSFET; pins 5 to 8 are internally common drain and are to be connected together, with VDS limited to -30 V.
8 D passive Drain terminal of the P-channel MOSFET; pins 5 to 8 are internally common drain and are to be connected together, with VDS limited to -30 V.

Key specifications

Parameter Value
Manufacturer UMW
Package SOP-8
Category Transistors/Thyristors
Pins 8

CAD (KiCad official)

  • Symbol: AO4409
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ao4409-etched.step / ao4409-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ao4409.step / ao4409.glb are the bare package body.

Provenance

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

  • Datasheet: UMW datasheet (8 pp, sha256 87e60d1d8b1d9577, 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