SRF1812P200

{
  "schema_version": 1,
  "type": "component",
  "slug": "srf1812p200",
  "title": "SRF1812P200",
  "brief": "prosemi Resettable Fuses, 1812. 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",
  "license": "CC-BY-SA-4.0",
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    "mpn": "SRF1812P200",
    "manufacturer": "prosemi",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921206097137664",
    "parts": {
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      "footprint": "srf1812p200.kicad_mod",
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      "model_3d_step_plain": "srf1812p200.step",
      "lbr": "srf1812p200.lbr"
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    "distributor_links": {
      "lcsc": "C21261155"
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    "distributor_check": {
      "checked_at": "2026-10-15T01:18:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of an unpolarised fuse; either orientation."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of an unpolarised fuse; either orientation."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "two-terminal convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.0011,
        "at": "2026-10-15T01:18:37"
      },
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        "pages": 3,
        "sha256": "faf2fa488ca92e34",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "srf1812p200.step",
        "role": "plain",
        "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,
        "footprint_binding": "identity",
        "sha256": "c21cebe15ef052a7985c59857fd27cc28f20ccc5d1e400b9f628a7c58efe7a73",
        "checked": "2026-10-15",
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      },
      {
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        "role": "eda",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c8f6e7f059b034570e25ba0a9794f97c549a439f81e09cd96165be0bf089f0b6",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "prosemi",
      "Package": "1812",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Minimum trip current",
          "symbol": "IT",
          "kind": "electrical",
          "unit": "A",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "25°C still air (datasheet definition of IT)",
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          "source": "datasheet"
        },
        {
          "name": "Maximum hold current",
          "symbol": "IH",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "25°C still air (datasheet definition of IH)",
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          "source": "datasheet"
        },
        {
          "name": "Maximum continuous voltage",
          "symbol": "Vmax",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 24,
          "conditions": "at rated current",
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          "name": "Maximum fault current",
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          "kind": "electrical",
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          "conditions": "at rated voltage",
          "source_page": 1,
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        },
        {
          "name": "Minimum resistance (initial, un-soldered)",
          "symbol": "Rmin",
          "kind": "electrical",
          "unit": "Ω",
          "min": 0.02,
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          "source_page": 1,
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        },
        {
          "name": "Maximum resistance at 25°C after reflow",
          "symbol": "R1max",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "25°C, measured one hour after reflow",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum time to trip",
          "symbol": "Ttrip",
          "kind": "electrical",
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          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical power dissipation",
          "symbol": "Pd",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 0.8,
          "max": null,
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          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Ambient operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "ambient operating temperature, per thermal derating chart",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "SRF1812P200 (prosemi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
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}