main
Ray Set visibility: public 3370d93 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "0458008-dr",
  "title": "0458008.DR",
  "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": [
    "component",
    "circuit protection",
    "0458008.dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "0458008.DR",
    "manufacturer": "Littelfuse",
    "package": "1206",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Disposable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903733962530816",
    "parts": {
      "symbol": "0458008-dr.kicad_sym",
      "footprint": "0458008-dr.kicad_mod",
      "model_3d": "0458008-dr-hero.glb",
      "model_3d_plain": "0458008-dr-etched.glb",
      "model_3d_step": "0458008-dr-etched.step",
      "model_3d_step_plain": "0458008-dr.step",
      "lbr": "0458008-dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C187562",
      "digikey": "F2940TR-ND",
      "mouser": "576-0458008.DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:43:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "F2940TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "576-0458008.DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Fuse terminal 1 (gold-plated brass end cap) of the 1206 NANO2 458 Series fuse; non-polarized, 8 A rating for 0458008, 63V max (50A @ 63VDC interrupting)."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Fuse terminal 2 (gold-plated brass end cap) of the 1206 NANO2 458 Series fuse; non-polarized, interchangeable with terminal 1, operating temperature -55°C to 125°C with proper derating."
      }
    ],
    "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 shows a two-terminal, non-polarized fuse with no pin numbers printed. The package draw",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0968,
        "at": "2026-10-19T03:40:57"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588903733962530816",
        "pages": 3,
        "sha256": "4e4a9ebaffcd9cc5",
        "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": "0458008-dr.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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5e6dcbe286696143d35a8ea37d91eef4b54ff3d1bd7c2c2b4dedda83d3f8e203",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "0458008-dr-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8d5b90bee98410c007641ceb0d9d1ee161517efde42e4d1182a50a9b358433ac",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "1206",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4e4a9ebaffcd9cc5fb0132f67c11081c5b6aa80e2ed479e87bb70548d30092c3",
      "rows": [
        {
          "name": "Opening time at 100% of ampere rating",
          "symbol": "",
          "kind": "electrical",
          "unit": "hours",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "100% of ampere rating",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Opening time at 250% of ampere rating",
          "symbol": "",
          "kind": "electrical",
          "unit": "seconds",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "250% of ampere rating",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Interrupting rating",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "50A @ 63VDC; 50A @ 32VAC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Max voltage rating",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 63,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "with proper derating",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ampere rating",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 8,
          "max": null,
          "conditions": "Amp code 008.",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal cold resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ohms",
          "min": null,
          "typ": 0.0058,
          "max": null,
          "conditions": "Measured at less than 10% of rated current at 25°C",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal melting I2t",
          "symbol": "I2t",
          "kind": "electrical",
          "unit": "A2sec",
          "min": null,
          "typ": 13.448,
          "max": null,
          "conditions": "For 8 msec opening time",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "0458008.dr"
  ],
  "discovery_pitch": "0458008.DR (Littelfuse) 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",
    "0458008-dr.kicad_sym",
    "0458008-dr.kicad_mod",
    "0458008-dr.glb",
    "0458008-dr.step",
    "0458008-dr.lbr",
    "docs/hero.png",
    "docs/0458008-dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "0458008-dr-hero.glb",
    "0458008-dr-hero.overlay.json",
    "0458008-dr-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}