0440002.WRA

{
  "slug": "0440002-wra",
  "version": "0.1.0",
  "type": "component",
  "description": "Littelfuse Disposable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "0440002.wra",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "0440002-wra.kicad_sym",
    "0440002-wra.kicad_mod",
    "0440002-wra.glb",
    "0440002-wra.step",
    "0440002-wra.lbr",
    "docs/hero.png",
    "docs/0440002-wra-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "0440002-wra-hero.glb",
    "0440002-wra-hero.overlay.json",
    "0440002-wra-etched.glb"
  ],
  "component": {
    "mpn": "0440002.WRA",
    "manufacturer": "Littelfuse",
    "package": "1206",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Disposable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903822597238784",
    "parts": {
      "symbol": "0440002-wra.kicad_sym",
      "footprint": "0440002-wra.kicad_mod",
      "model_3d": "0440002-wra-hero.glb",
      "model_3d_plain": "0440002-wra-etched.glb",
      "model_3d_step": "0440002-wra-etched.step",
      "model_3d_step_plain": "0440002-wra.step",
      "lbr": "0440002-wra.lbr"
    },
    "distributor_links": {
      "lcsc": "C371142",
      "digikey": "F9991TR-ND",
      "mouser": "576-0440002.WRA"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:10:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "F9991TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "576-0440002.WRA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "One termination (Ag/Ni/Sn) of the non-polarized fuse; 2 A rated, 32 V max, 50 A interrupting rating at 32VAC/DC, nominal resistance 0.0385 ohm."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Other termination (Ag/Ni/Sn) of the non-polarized fuse, electrically interchangeable with the first; carries 2 A rated current for 4 hours minimum and opens in 5 s maximum at 350% of rating."
      }
    ],
    "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 drawing shows two unnumbered terminations on a 1206 fuse. Pin numbers 1 and 2 are a co",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1091,
        "at": "2026-10-18T02:08:10"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903822597238784",
        "pages": 3,
        "sha256": "1483cc8fb8ea4fd4",
        "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": "0440002-wra.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          1.6,
          0.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5e6dcbe286696143d35a8ea37d91eef4b54ff3d1bd7c2c2b4dedda83d3f8e203",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "0440002-wra-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          1.6,
          0.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0be014390b17a29d51cf95037e8314adfe6496e73438843f1e350e7d5be9b6a7",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}