FTR1812-050

{
  "schema_version": 1,
  "type": "component",
  "slug": "ftr1812-050",
  "title": "FTR1812-050",
  "brief": "FTR 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",
  "tags": [
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    "circuit protection",
    "ftr1812-050",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "FTR1812-050",
    "manufacturer": "FTR",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590209071401381888",
    "parts": {
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      "footprint": "ftr1812-050.kicad_mod",
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      "model_3d_step_plain": "ftr1812-050.step",
      "lbr": "ftr1812-050.lbr"
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    "distributor_links": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "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."
      }
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    "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0019,
        "at": "2026-10-15T06:02:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590209071401381888",
        "pages": 6,
        "sha256": "901196765d349b7b",
        "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": "ftr1812-050.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.52,
          3.22,
          0.9
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cd92c57831e97323cda0482de8cf2404b60ecc60efd9f5f412918d014078716e",
        "checked": "2026-10-15",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ftr1812-050-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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "37eef468b49c6c14dacc3cae37a5f9e6b7383abb2749f52665b7bdc967d0f784",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "FTR",
      "Package": "1812",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "901196765d349b7b080c9331ede3ae31263a00b46bfb8e8ea90180df4b8dc7f4",
      "rows": [
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          "name": "Hold current",
          "symbol": "Ihold",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "23℃ still air",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Trip current",
          "symbol": "Itrip",
          "kind": "electrical",
          "unit": "A",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "23℃ still air",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum voltage",
          "symbol": "Vmax",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "at rated current (Imax)",
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        {
          "name": "Maximum fault current",
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          "unit": "A",
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          "typ": null,
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          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum time to trip",
          "symbol": "",
          "kind": "electrical",
          "unit": "s",
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          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Minimum initial resistance",
          "symbol": "Rmin",
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        },
        {
          "name": "Maximum resistance after trip or reflow",
          "symbol": "R1max",
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          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "23℃, measured one hour after tripping or reflow soldering at 260℃ for 20 s",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating at -40℃",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.77,
          "conditions": "ambient operating temperature -40℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating at -20℃",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
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          "max": 0.68,
          "conditions": "ambient operating temperature -20℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating at 0℃",
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          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating at 23℃",
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          "max": 0.5,
          "conditions": "ambient operating temperature 23℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating at 40℃",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": null,
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          "conditions": "ambient operating temperature 40℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating at 50℃",
          "symbol": "Ihold",
          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
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          "conditions": "ambient operating temperature 50℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating at 60℃",
          "symbol": "Ihold",
          "kind": "recommended_operating",
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          "typ": null,
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          "conditions": "ambient operating temperature 60℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating at 70℃",
          "symbol": "Ihold",
          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
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          "conditions": "ambient operating temperature 70℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Hold current derating at 85℃",
          "symbol": "Ihold",
          "kind": "recommended_operating",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.29,
          "conditions": "ambient operating temperature 85℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
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          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "operating and storage",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": 0,
          "typ": null,
          "max": 35,
          "conditions": "storage condition, ≤70%RH",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum device surface temperature in tripped state",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
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          "typ": null,
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          "conditions": "tripped state",
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        {
          "name": "Reflow peak temperature",
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          "unit": "℃",
          "min": null,
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          "max": 260,
          "conditions": "Pb-free reflow, time within 5℃ of peak 20-40 s",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Passive aging resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "+85℃, 1000 hours",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Humidity aging resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "+85℃, 85%RH, 1000 hours",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal shock resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": -50,
          "max": null,
          "conditions": "MIL-STD-202 Method 107G, +85℃/-40℃, 20 times",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power dissipated in tripped state",
          "symbol": "Pd",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "tripped state at 23℃ still air",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "ftr1812-050"
  ],
  "discovery_pitch": "FTR1812-050 (FTR) 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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}