main
Ray Set visibility: public 4f78cbe 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "0470-500drsnp",
  "title": "0470.500DRSNP",
  "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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    "circuit protection",
    "0470.500drsnp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "0470.500DRSNP",
    "manufacturer": "Littelfuse",
    "package": "1206",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Disposable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603307848201875456",
    "parts": {
      "symbol": "0470-500drsnp.kicad_sym",
      "footprint": "0470-500drsnp.kicad_mod",
      "model_3d": "0470-500drsnp-hero.glb",
      "model_3d_plain": "0470-500drsnp-etched.glb",
      "model_3d_step": "0470-500drsnp-etched.step",
      "model_3d_step_plain": "0470-500drsnp.step",
      "lbr": "0470-500drsnp.lbr"
    },
    "distributor_links": {
      "lcsc": "C3157756"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:21:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "One fuse terminal (Cu/Ni/Sn); 0.500A fast-acting, 125V rated, nominal cold resistance 0.5455 ohm, interrupting rating 50A @ 125VAC/VDC; the fuse is non-polarized and terminals are interchangeable."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Other fuse terminal (Cu/Ni/Sn); 0.500A fast-acting, 125V rated, nominal cold resistance 0.5455 ohm, interrupting rating 50A @ 125VAC/VDC; the fuse is non-polarized and terminals are interchangeable."
      }
    ],
    "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: Datasheet shows a two-terminal SMD fuse with no pin numbers or names printed. Pins 1 and 2 are assig",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.0933,
        "at": "2026-10-18T22:19:31"
      },
      "datasheet": {
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        "pages": 3,
        "sha256": "bf425e6cecbf0370",
        "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"
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "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": "0470-500drsnp-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "9458b25ab4e2d62612b57e4439409a63a4835b8922a1cfe88cdd8ca31a10550c",
        "checked": "2026-10-18",
        "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": "bf425e6cecbf0370aaff1cee72822dcbdc7c5acba832771d3fb6a5cf28d7c3e7",
      "rows": [
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          "name": "Opening time at 100% of ampere rating",
          "symbol": "",
          "kind": "timing",
          "unit": "hours",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "100% of ampere rating",
          "source_page": 1,
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        {
          "name": "Opening time at 200% of ampere rating",
          "symbol": "",
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          "max": 5,
          "conditions": "200% of ampere rating",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance (after opening)",
          "symbol": "",
          "kind": "electrical",
          "unit": "Mohm",
          "min": 0.1,
          "typ": null,
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        {
          "name": "Operating temperature",
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        {
          "name": "Max voltage rating",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
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          "source": "datasheet"
        },
        {
          "name": "Do not exceed (reflow soldering)",
          "symbol": "",
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          "unit": "°C",
          "min": null,
          "typ": null,
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          "conditions": "Reflow soldering",
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        },
        {
          "name": "Pre-heat temperature Ts(min)",
          "symbol": "Ts(min)",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "Pb-free reflow pre-heat",
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        },
        {
          "name": "Pre-heat temperature Ts(max)",
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          "kind": "recommended_operating",
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        {
          "name": "Pre-heat time (ts) min to max",
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          "typ": null,
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          "source_page": 2,
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        },
        {
          "name": "Average ramp-up rate (TL to peak)",
          "symbol": "",
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          "unit": "°C/second",
          "min": null,
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          "max": 5,
          "conditions": "Liquidus temp (TL) to peak",
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        {
          "name": "Ramp-up rate TS(max) to TL",
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        {
          "name": "Time at liquidus (tL)",
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          "typ": null,
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          "conditions": "Reflow, above TL",
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        },
        {
          "name": "Peak temperature (TP)",
          "symbol": "TP",
          "kind": "tolerance",
          "unit": "°C",
          "min": -5,
          "typ": 250,
          "max": 0,
          "conditions": "Pb-free reflow peak, printed as +0/-5 °C",
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        },
        {
          "name": "Time within 5°C of actual peak temperature (tp)",
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        {
          "name": "Ramp-down rate",
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        {
          "name": "Time 25°C to peak temperature",
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          "conditions": "25°C to peak temperature (TP)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ampere rating",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.5,
          "max": null,
          "conditions": "Amp code .500 (0.500 A)",
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          "source": "datasheet"
        },
        {
          "name": "Nominal cold resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ohms",
          "min": null,
          "typ": 0.5455,
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          "conditions": "Nominal cold resistance, 0.500 A rating",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal melting I2t",
          "symbol": "I2t",
          "kind": "electrical",
          "unit": "A2 sec.",
          "min": null,
          "typ": 0.02874,
          "max": null,
          "conditions": "8 msec opening time",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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  "discovery_triggers": [
    "0470.500drsnp"
  ],
  "discovery_pitch": "0470.500DRSNP (Littelfuse) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}