main
Ray Set visibility: public 7892b46 6d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "0437008-wr",
  "title": "0437008.WR",
  "brief": "Littelfuse Disposable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "extractor-text"
  ],
  "component": {
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    "package": "1206",
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    "category": "Circuit Protection",
    "subcategory": "Disposable Fuses",
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    "parts": {
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      "footprint": "0437008-wr.kicad_mod",
      "model_3d": "0437008-wr-hero.glb",
      "model_3d_plain": "0437008-wr-etched.glb",
      "model_3d_step": "0437008-wr-etched.step",
      "model_3d_step_plain": "0437008-wr.step",
      "lbr": "0437008-wr.lbr"
    },
    "distributor_links": {
      "lcsc": "C206954",
      "digikey": "F2892TR-ND",
      "mouser": "576-0437008.WR"
    },
    "distributor_check": {
      "checked_at": "2026-10-13T23:56:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "F2892TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "576-0437008.WR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "One fuse terminal (Ag/Ni/Sn end termination, 0.520 ±0.200 mm long); the fuse is non-polarized, rated 8 A, 32 V, and the two terminals are interchangeable."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Other fuse terminal (Ag/Ni/Sn end termination, 0.520 ±0.200 mm long); the fuse is non-polarized, rated 8 A, 32 V, and the two terminals are interchangeable."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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": [
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          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1109,
        "at": "2026-10-13T23:56:09"
      },
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        "pages": 3,
        "sha256": "a7789cf92a0beba5",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "centre_offset_mm": 0,
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        "sha256": "5e6dcbe286696143d35a8ea37d91eef4b54ff3d1bd7c2c2b4dedda83d3f8e203",
        "checked": "2026-10-13",
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      {
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        "sha256": "1d04d174ba5b936060282e7d9b017377f7388bc0f0eac07fd6c7be0b34a507e8",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "1206",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "a7789cf92a0beba572e2a374397649b71f0d426cfc91903d9526388df5e98fe8",
      "rows": [
        {
          "name": "Opening time at 100% of rated current",
          "symbol": "",
          "kind": "electrical",
          "unit": "hours",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "250mA-8A, at 25ºC",
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        {
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        {
          "name": "Opening time at 350% of rated current",
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        {
          "name": "Maximum voltage rating",
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          "name": "Interrupting rating",
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          "typ": null,
          "max": 50,
          "conditions": "@ 32 V AC/35 V DC",
          "source_page": 1,
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        {
          "name": "Nominal resistance",
          "symbol": "",
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        {
          "name": "Nominal melting I2t",
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        {
          "name": "Nominal voltage drop at rated current",
          "symbol": "",
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        {
          "name": "Nominal power dissipation at rated current",
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        },
        {
          "name": "Peak reflow temperature (TP)",
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          "min": null,
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          "conditions": "Pb-free reflow; printed as 260 +0/-5 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Wave soldering temperature",
          "symbol": "",
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          "name": "Wave soldering time",
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        },
        {
          "name": "Time 25°C to peak temperature",
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          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
    "0437008.wr"
  ],
  "discovery_pitch": "0437008.WR (Littelfuse) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "visibility": {
    "public": true
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}