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Contents

README

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AO4405

TECH PUBLIC · MOSFETs · SOP-8

AO4405 from TECH PUBLIC, 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 of the P-channel MOSFET, tied to pins 2 and 3.
2 S passive Source of the P-channel MOSFET, tied to pins 1 and 3.
3 S passive Source of the P-channel MOSFET, tied to pins 1 and 2.
4 G input Gate; threshold VGS(th) is -1.0 V min to -2.5 V max and absolute maximum VGS is ±20 V.
5 D passive Drain, tied to pins 6, 7 and 8; VDS max is -30 V and continuous ID is -6 A.
6 D passive Drain, tied to pins 5, 7 and 8; VDS max is -30 V and continuous ID is -6 A.
7 D passive Drain, tied to pins 5, 6 and 8; VDS max is -30 V and continuous ID is -6 A.
8 D passive Drain, tied to pins 5, 6 and 7; VDS max is -30 V and continuous ID is -6 A.

Key specifications

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

CAD (KiCad official)

  • Symbol: AO4405
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: ao4405-etched.step / ao4405-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ao4405.step / ao4405.glb are the bare package body.

Provenance

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

  • Datasheet: TECH PUBLIC datasheet (4 pp, sha256 f82d02c2bd482171, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (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