AO3401A

{
  "schema_version": 1,
  "type": "component",
  "slug": "ao3401a",
  "title": "AO3401A",
  "brief": "AOS P-channel MOSFET, SOT-23. -30 V, -4 A, RDS(on) <50 mOhm @ VGS=-10 V. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistor",
    "mosfet",
    "p-channel",
    "sot-23",
    "alpha-omega"
  ],
  "component": {
    "mpn": "AO3401A",
    "manufacturer": "Alpha & Omega Semiconductor",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistor",
    "subcategory": "P-channel MOSFET",
    "datasheet": "http://www.aosmd.com/res/data_sheets/AO3401A.pdf",
    "parts": {
      "symbol": "ao3401a.kicad_sym",
      "footprint": "ao3401a.kicad_mod",
      "model_3d": "ao3401a-etched.glb",
      "model_3d_plain": "ao3401a.glb",
      "lbr": "ao3401a.lbr",
      "model_3d_step": "ao3401a-etched.step",
      "model_3d_step_plain": "ao3401a.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate. Control terminal for the P-channel MOSFET. Gate threshold voltage VGS(th) = -0.5V to -1.3V (typ -0.9V). Absolute maximum VGS = ±12V. Input capacitance Ciss = 645pF typ."
      },
      {
        "number": "2",
        "name": "S",
        "type": "passive",
        "description": "Source. Current-return terminal for the P-channel MOSFET. Typically tied to the positive supply rail in high-side load-switch configurations. Body diode anode is internally connected here (VSD typ -0.7V at IS=-1A)."
      },
      {
        "number": "3",
        "name": "D",
        "type": "passive",
        "description": "Drain. Switched current terminal for the P-channel MOSFET. VDS absolute maximum -30V; continuous ID up to -4A at TA=25°C. Body diode cathode is internally connected here."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "http://www.aosmd.com/res/data_sheets/AO3401A.pdf",
        "pages": 5,
        "sha256": "0d8e3261ae280e00",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ao3401a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ao3401a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.5,
          3.0,
          1.2
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "14fe035bcd5d3537da16a7deba19bf17051e31c2d130bda8a5687afa54a6ae0b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "P-channel enhancement-mode MOSFET",
      "Drain-source voltage (VDS)": "-30 V",
      "Continuous drain current (ID)": "-4 A @ 25 °C",
      "On-resistance (RDS(on))": "<50 mΩ @ VGS = -10 V",
      "Gate threshold (VGS(th))": "-0.5 to -1.3 V (typ -0.9 V)",
      "Gate-source voltage (VGS)": "±12 V",
      "Input capacitance (Ciss)": "645 pF typ",
      "Package": "SOT-23",
      "Body (L×W×H)": "2.9 × 1.3 × 1.1 mm"
    }
  },
  "discovery_triggers": [
    "ao3401a",
    "p-channel mosfet sot-23",
    "high-side load switch",
    "pmos sot-23"
  ],
  "discovery_pitch": "AO3401A P-channel MOSFET (SOT-23) with datasheet-verified specs, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ao3401a.kicad_sym",
    "ao3401a.kicad_mod",
    "ao3401a.glb",
    "ao3401a.lbr",
    "docs/hero.png",
    "docs/ao3401a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ao3401a-etched.step"
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "variants": [
    {
      "mpn": "AO3401A (SOT-23, tape & reel)",
      "kind": "packaging"
    }
  ]
}