1N4001

{
  "schema_version": 1,
  "type": "component",
  "slug": "1n4001",
  "title": "1N4001",
  "brief": "MDD Microdiode Semiconductor Diodes - General Purpose, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "diodes",
    "1n4001",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "1N4001",
    "manufacturer": "MDD Microdiode Semiconductor",
    "package": "DO-41",
    "pin_count": 2,
    "category": "Diodes",
    "subcategory": "Diodes - General Purpose",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588887224012722176",
    "parts": {
      "symbol": "1n4001.kicad_sym",
      "footprint": "1n4001.kicad_mod",
      "model_3d": "1n4001-hero.glb",
      "model_3d_step": "1n4001.step",
      "lbr": "1n4001.lbr",
      "model_3d_plain": "1n4001.glb"
    },
    "distributor_links": {
      "lcsc": "C2456",
      "digikey": "4878-1N4001CT-ND",
      "mouser": "637-1N4001"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T16:21:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4878-1N4001CT-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "637-1N4001",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "K",
        "type": "passive",
        "description": "Cathode lead, the end marked with the polarity band on the body; 1.0 (25.4) mm minimum lead length, 0.025-0.021 in (0.65-0.55 mm) diameter."
      },
      {
        "number": "2",
        "name": "A",
        "type": "passive",
        "description": "Anode lead, the end opposite the polarity band; 1.0 (25.4) mm minimum lead length, 0.025-0.021 in (0.65-0.55 mm) diameter."
      }
    ],
    "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 datasheet names the package JEDEC A-405, not DO-41 as in the hint. Confirm which footprint the 1; The datasheet does not number the leads. It only says 'Polarity symbol marking on body', and the dra",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 2,
        "cost_usd": 0.0744,
        "at": "2026-10-12T16:21:46"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588887224012722176",
        "pages": 2,
        "sha256": "ffae0d0920118799",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "1n4001.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.96,
          2.72,
          5.71
        ],
        "zmin_mm": -2.5,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c3e23d4b276811b74eecb329bd4480209ad3dbc8cf6e6e3f2a5b542c5ca343c1",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MDD Microdiode Semiconductor",
      "Package": "DO-41",
      "Category": "Diodes",
      "Pins": "2"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "1n4001"
  ],
  "discovery_pitch": "1N4001 (MDD Microdiode Semiconductor) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "1n4001.kicad_sym",
    "1n4001.kicad_mod",
    "1n4001.glb",
    "1n4001.step",
    "1n4001.lbr",
    "docs/hero.png",
    "docs/1n4001-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "1n4001-hero.glb",
    "1n4001-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}