AO4805

{
  "slug": "ao4805",
  "version": "0.1.4",
  "type": "component",
  "tags": [
    "component",
    "transistors/thyristors",
    "ao4805",
    "board-derived"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "verification.json",
    "ao4805.kicad_sym",
    "ao4805.kicad_mod",
    "ao4805-etched.glb",
    "ao4805-etched.step",
    "ao4805.glb",
    "ao4805.step",
    "ao4805.lbr",
    "docs/hero.png",
    "docs/ao4805-datasheet.pdf",
    "ao4805-hero.glb",
    "ao4805-hero.overlay.json"
  ],
  "component": {
    "mpn": "AO4805",
    "manufacturer": "Alpha & Omega Semiconductor",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Transistors/Thyristors",
    "subcategory": "FET, MOSFET Arrays",
    "datasheet": "https://www.aosmd.com/sites/default/files/res/datasheets/AO4805.pdf",
    "parts": {
      "symbol": "ao4805.kicad_sym",
      "footprint": "ao4805.kicad_mod",
      "model_3d": "ao4805-hero.glb",
      "model_3d_plain": "ao4805-etched.glb",
      "model_3d_step": "ao4805-etched.step",
      "model_3d_step_plain": "ao4805.step",
      "lbr": "ao4805.lbr"
    },
    "distributor_links": {
      "digikey": {
        "part": "785-1055-2-ND",
        "url": "https://www.digikey.com/en/products/detail/alpha-omega-semiconductor-inc/AO4805/1855827"
      },
      "mouser": false,
      "mouser_note": "Not carried: searched AO4805 on 2026-10-09 and 2026-10-27 (Mouser returns no Alpha & Omega listing).",
      "lcsc": {
        "part": "C38943",
        "url": "https://www.lcsc.com/product-detail/C38943.html"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S2",
        "type": "passive",
        "description": "Source of P-channel MOSFET 2 (S2), per the SOIC-8 top-view pinout and the internal schematic. [datasheet p.1]"
      },
      {
        "number": "2",
        "name": "G2",
        "type": "input",
        "description": "Gate of P-channel MOSFET 2 (G2). Gate-source voltage ±25 V absolute maximum [datasheet p.1]; gate threshold VGS(th) -1.7 V min, -2.3 V typ, -2.8 V max at ID = -250 µA. [datasheet p.2]"
      },
      {
        "number": "3",
        "name": "S1",
        "type": "passive",
        "description": "Source of P-channel MOSFET 1 (S1), per the SOIC-8 top-view pinout and the internal schematic. [datasheet p.1]"
      },
      {
        "number": "4",
        "name": "G1",
        "type": "input",
        "description": "Gate of P-channel MOSFET 1 (G1). Gate-source voltage ±25 V absolute maximum [datasheet p.1]; gate threshold VGS(th) -1.7 V min, -2.3 V typ, -2.8 V max at ID = -250 µA. [datasheet p.2]"
      },
      {
        "number": "5",
        "name": "D1",
        "type": "passive",
        "description": "Drain of P-channel MOSFET 1 (D1); pins 5 and 6 are both D1. Drain-source voltage -30 V absolute maximum. [datasheet p.1]"
      },
      {
        "number": "6",
        "name": "D1",
        "type": "passive",
        "description": "Drain of P-channel MOSFET 1 (D1); pins 5 and 6 are both D1. Drain-source voltage -30 V absolute maximum. [datasheet p.1]"
      },
      {
        "number": "7",
        "name": "D2",
        "type": "passive",
        "description": "Drain of P-channel MOSFET 2 (D2); pins 7 and 8 are both D2. Drain-source voltage -30 V absolute maximum. [datasheet p.1]"
      },
      {
        "number": "8",
        "name": "D2",
        "type": "passive",
        "description": "Drain of P-channel MOSFET 2 (D2); pins 7 and 8 are both D2. Drain-source voltage -30 V absolute maximum. [datasheet p.1]"
      }
    ],
    "provenance": {
      "datasheet": {
        "url": "https://www.aosmd.com/sites/default/files/res/datasheets/AO4805.pdf",
        "pages": 5,
        "sha256": "b7592fe0daec26e8e74483cf81c49e3ed593ddbe91949f2a1a70fd393e9c24bc",
        "source_tier": "mfr",
        "retrieved": "2026-10-27",
        "edition": "Rev 7.1, March 2024"
      },
      "cad": "Footprint and symbol as used on Adom board designs; 3D model: KiCad library 3D model SOIC-8_3.9x4.9mm_P1.27mm (CC-BY-SA 4.0 with the KiCad library exception)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      },
      "build": {
        "tool": "board-derived part page builder 0.1: one-off Claude session scripts in Caleb Taylor's container (retired; not the Adom parts factory)",
        "pins": "KiCad symbol from the source board + adom-ds2sf datasheet extraction (claude-opus-4-7)",
        "at": "2026-10-09"
      }
    },
    "models_3d": [
      {
        "file": "ao4805.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin",
        "seat": "z = 0 (PCB top surface)",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-09",
        "checked_by": "session-scripts/partstep.py (placement inverse from the source board; centroid-matched to KiCad library models on 59 reference cases)"
      },
      {
        "file": "ao4805-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin",
        "seat": "z = 0 (PCB top surface)",
        "extents_mm": [
          6.0,
          4.9,
          1.752
        ],
        "zmin_mm": -0.0,
        "footprint_binding": "identity",
        "sha256": "aefb655bf896e27307480846a31ca84b872978362c86163dd9d3013cc935017a",
        "checked": "2026-10-09",
        "checked_by": "session-scripts/partstep.py (placement inverse from the source board; centroid-matched to KiCad library models on 59 reference cases)"
      }
    ]
  },
  "description": "Alpha & Omega Semiconductor FET, MOSFET Arrays, SOIC-8. KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet."
}