component
AO4805
Public Made by Adomby adom
Alpha & Omega Semiconductor FET, MOSFET Arrays, SOIC-8. KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet.
main
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{
"schema_version": 1,
"type": "component",
"slug": "ao4805",
"title": "AO4805",
"brief": "Alpha & Omega Semiconductor FET, MOSFET Arrays, SOIC-8. KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet.",
"version": "0.1.4",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"transistors/thyristors",
"ao4805",
"board-derived"
],
"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,
4.9,
1.75
],
"zmin_mm": 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,
4.9,
1.752
],
"zmin_mm": 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)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Alpha & Omega Semiconductor",
"Package": "SOIC-8",
"Category": "Transistors/Thyristors",
"Pins": "8",
"LCSC": "C38943",
"DigiKey": "785-1055-2-ND",
"Mouser": "Not carried"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ao4805",
"ao4805"
],
"discovery_pitch": "AO4805 (Alpha & Omega Semiconductor) component page: pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Caleb",
"email": "[email protected]"
},
"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"
],
"visibility": {
"public": true
}
}