main
Ray Set visibility: public 898c1c2 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "045803-5dr",
  "title": "045803.5DR",
  "brief": "Littelfuse Disposable Fuses, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "subcategory": "Disposable Fuses",
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    "parts": {
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      "footprint": "045803-5dr.kicad_mod",
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      "model_3d_plain": "045803-5dr-etched.glb",
      "model_3d_step": "045803-5dr-etched.step",
      "model_3d_step_plain": "045803-5dr.step",
      "lbr": "045803-5dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C187566",
      "digikey": "F2935TR-ND",
      "mouser": "576-045803.5DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:51:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "F2935TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "576-045803.5DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of an unpolarised fuse; either orientation."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
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      }
    ],
    "provenance": {
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      "factory_chain": {
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        "extractor": "extract_pins",
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        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.001,
        "at": "2026-10-18T01:50:18"
      },
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        "pages": 3,
        "sha256": "4e4a9ebaffcd9cc5",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "origin": "footprint origin = pad-pattern centre",
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        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5e6dcbe286696143d35a8ea37d91eef4b54ff3d1bd7c2c2b4dedda83d3f8e203",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "045803-5dr-etched.step",
        "role": "eda",
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        "sha256": "a75bce9fd31820b4ea30e4c826f2031f96923e991327eda468cce079cc2f6cb2",
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      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Littelfuse",
      "Package": "1206",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "4e4a9ebaffcd9cc5fb0132f67c11081c5b6aa80e2ed479e87bb70548d30092c3",
      "rows": [
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          "name": "Opening time at 100% of rated current",
          "symbol": "",
          "kind": "timing",
          "unit": "hours",
          "min": 4,
          "typ": null,
          "max": null,
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          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Opening time at 250% of rated current",
          "symbol": "",
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        },
        {
          "name": "Interrupting rating",
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          "conditions": "@ 75VDC",
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        },
        {
          "name": "Max voltage rating",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
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          "conditions": "Max voltage rating printed for the 1.0 to 3.5 A block",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance (after opening)",
          "symbol": "",
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          "conditions": "After opening; MIL-STD-202, Method 302, Test Condition A",
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        },
        {
          "name": "Operating temperature",
          "symbol": "",
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          "unit": "°C",
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          "conditions": "With proper derating",
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        },
        {
          "name": "Peak reflow temperature (TP)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Pb-free reflow; do not exceed 260°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ramp-up rate (TS(max) to TL)",
          "symbol": "",
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          "unit": "°C/second",
          "min": null,
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          "conditions": "Pb-free reflow, maximum",
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          "source": "datasheet"
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        {
          "name": "Ramp-down rate",
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        {
          "name": "Time 25°C to peak temperature",
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        },
        {
          "name": "Nominal cold resistance",
          "symbol": "",
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          "unit": "Ohms",
          "min": null,
          "typ": 0.0375,
          "max": null,
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          "source_page": 1,
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        },
        {
          "name": "Nominal melting I2t",
          "symbol": "",
          "kind": "electrical",
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        },
        {
          "name": "Ampere rating",
          "symbol": "",
          "kind": "electrical",
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      ]
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  },
  "variants": [],
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  "discovery_triggers": [
    "045803.5dr"
  ],
  "discovery_pitch": "045803.5DR (Littelfuse) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    "045803-5dr-hero.overlay.json",
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  "visibility": {
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}