WD3401

{
  "slug": "wd3401",
  "version": "0.1.0",
  "type": "component",
  "description": "WEIDA MOSFETs, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "wd3401",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "wd3401.kicad_sym",
    "wd3401.kicad_mod",
    "wd3401.glb",
    "wd3401.step",
    "wd3401.lbr",
    "docs/hero.png",
    "docs/wd3401-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "wd3401-hero.glb",
    "wd3401-hero.overlay.json",
    "wd3401-etched.glb"
  ],
  "component": {
    "mpn": "WD3401",
    "manufacturer": "WEIDA",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603176905168605184",
    "parts": {
      "symbol": "wd3401.kicad_sym",
      "footprint": "wd3401.kicad_mod",
      "model_3d": "wd3401-hero.glb",
      "model_3d_plain": "wd3401-etched.glb",
      "model_3d_step": "wd3401-etched.step",
      "model_3d_step_plain": "wd3401.step",
      "lbr": "wd3401.lbr"
    },
    "distributor_links": {
      "lcsc": "C5819980"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T15:33:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate; gate-source voltage limited to ±12 V, with threshold VGS(th) of -0.7 to -1.3 V at ID = -250µA."
      },
      {
        "number": "2",
        "name": "S",
        "type": "passive",
        "description": "Source of the P-channel MOSFET; continuous source current IS up to -4.2 A."
      },
      {
        "number": "3",
        "name": "D",
        "type": "passive",
        "description": "Drain; drain-source voltage rated -30 V with continuous drain current -4.2 A and pulsed -16 A."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The page 1 top-view drawing labels the pins G (top left), S (bottom left) and D (right) but prints n",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.2335,
        "at": "2026-10-17T15:31:19"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603176905168605184",
        "pages": 5,
        "sha256": "159a2895d27816e2",
        "source_tier": "lcsc"
      },
      "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": "wd3401.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": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wd3401-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": "842ba234ce0a29db42bf9b088510c6cc34573b82337f1e4b830c32491bc99a3b",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}