main
Ray Set visibility: public 330f732 21d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "f12f4",
  "title": "F12F4",
  "brief": "TLC Electronic 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",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "circuit protection",
    "f12f4",
    "factory-2.0.0",
    "extractor-text"
  ],
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    "manufacturer": "TLC Electronic",
    "package": "1206",
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    "category": "Circuit Protection",
    "subcategory": "Disposable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590208659881033728",
    "parts": {
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      "footprint": "f12f4.kicad_mod",
      "model_3d": "f12f4-hero.glb",
      "model_3d_plain": "f12f4-etched.glb",
      "model_3d_step": "f12f4-etched.step",
      "model_3d_step_plain": "f12f4.step",
      "lbr": "f12f4.lbr"
    },
    "distributor_links": {
      "lcsc": "C2924991"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T20:49:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "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": {
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        "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": 5,
        "cost_usd": 0.0406,
        "at": "2026-10-18T20:47:30"
      },
      "datasheet": {
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        "pages": 5,
        "sha256": "85bdc9f51b5e82b1",
        "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": [
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        "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": "5e6dcbe286696143d35a8ea37d91eef4b54ff3d1bd7c2c2b4dedda83d3f8e203",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "f12f4-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,
        "footprint_binding": "identity",
        "sha256": "76f0bbc7cb30cb3944da1b5a27b8cd2bd9d278e0e0f4f54c5daa7632eb28cb35",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TLC Electronic",
      "Package": "1206",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "85bdc9f51b5e82b18c9d27a90f25c285877db1819d429224662453954200b94a",
      "rows": [
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          "name": "Time to open at 1.0In (rated current 4A)",
          "symbol": "",
          "kind": "electrical",
          "unit": "hour",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "Rated current 4A; 1.0In",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Time to open at 2.5In (rated current 4A)",
          "symbol": "",
          "kind": "electrical",
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          "min": null,
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          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "With proper correction factor applied",
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          "source": "datasheet"
        },
        {
          "name": "Preheat and soak temperature min. (Tsmin)",
          "symbol": "Tsmin",
          "kind": "thermal",
          "unit": "℃",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "Lead (Pb) free solder reflow profile",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Preheat and soak temperature max. (Tsmax)",
          "symbol": "Tsmax",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Lead (Pb) free solder reflow profile",
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          "source": "datasheet"
        },
        {
          "name": "Time (Tsmin to Tsmax)",
          "symbol": "tS",
          "kind": "thermal",
          "unit": "Seconds",
          "min": 60,
          "typ": null,
          "max": 120,
          "conditions": "Lead (Pb) free solder reflow profile",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Average ramp up rate Tsmax to Tp",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃ / Second",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Max.; Lead (Pb) free solder reflow profile",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Time at liquidous (tL)",
          "symbol": "tL",
          "kind": "thermal",
          "unit": "Seconds",
          "min": 60,
          "typ": null,
          "max": 150,
          "conditions": "Liquidous temperature (TL) 217℃; Lead (Pb) free solder reflow profile",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Peak package body temperature (TP)",
          "symbol": "TP",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Lead (Pb) free solder reflow profile",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Average ramp-down rate (TP to Tsmax)",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃ / Second",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "Max.; Lead (Pb) free solder reflow profile",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Time (25℃ to Peak Temperature)",
          "symbol": "",
          "kind": "thermal",
          "unit": "Minutes",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Max.; Lead (Pb) free solder reflow profile",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Wave solder reservoir temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Wave solder",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Wave solder time in reservoir",
          "symbol": "",
          "kind": "thermal",
          "unit": "seconds",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Wave solder; time in reservoir, maximum",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Infrared reflow temperature",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Infrared reflow",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Infrared reflow time",
          "symbol": "",
          "kind": "thermal",
          "unit": "seconds",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "Infrared reflow; maximum",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DC Interrupting Rating (Breaking Capacity)",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "@72Vdc; measured at rated voltage, time constant of less than 50 microseconds, battery source",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rated Voltage (DC)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 72,
          "max": null,
          "conditions": "DC",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rated Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Typical Cold Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mOhms",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "Measured at <10% of rated current in ambient temperature of 25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Typical Voltage Drop",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 173,
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          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Typical Pre-arcing I2t",
          "symbol": "I2t",
          "kind": "electrical",
          "unit": "A2Sec",
          "min": null,
          "typ": 1.73,
          "max": null,
          "conditions": "Measured at 10In current",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "f12f4"
  ],
  "discovery_pitch": "F12F4 (TLC Electronic) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "f12f4.kicad_sym",
    "f12f4.kicad_mod",
    "f12f4.glb",
    "f12f4.step",
    "f12f4.lbr",
    "docs/hero.png",
    "docs/f12f4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "f12f4-hero.glb",
    "f12f4-hero.overlay.json",
    "f12f4-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}