SMD1812B020TF

{
  "schema_version": 1,
  "type": "component",
  "slug": "smd1812b020tf",
  "title": "SMD1812B020TF",
  "brief": "Brightking 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": [
    "component",
    "circuit protection",
    "smd1812b020tf",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SMD1812B020TF",
    "manufacturer": "Brightking",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588902975486242817",
    "parts": {
      "symbol": "smd1812b020tf.kicad_sym",
      "footprint": "smd1812b020tf.kicad_mod",
      "model_3d": "smd1812b020tf-hero.glb",
      "model_3d_plain": "smd1812b020tf-etched.glb",
      "model_3d_step": "smd1812b020tf-etched.step",
      "model_3d_step_plain": "smd1812b020tf.step",
      "lbr": "smd1812b020tf.lbr"
    },
    "distributor_links": {
      "lcsc": "C269124",
      "digikey": "13-SMD1812B020TFTR-ND",
      "mouser": "603-SMD1812B020TF"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T13:00:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "13-SMD1812B020TFTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "603-SMD1812B020TF",
        "status": "found"
      }
    },
    "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0025,
        "at": "2026-10-14T13:00:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588902975486242817",
        "pages": 11,
        "sha256": "341444dcfc3f77f4",
        "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": "smd1812b020tf.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": "101255a9f7f9952b3751b5c924fc71cff0d4879e48eb0f052d6d8bee048e57e2",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "smd1812b020tf-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.52,
          3.22,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "36c823441a90e50926ffc573be9c61195008c0cde665fa663fb01416d10d4cd1",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Brightking",
      "Package": "1812",
      "Category": "Circuit Protection",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "341444dcfc3f77f4dbb7ac0946b4f8c10cae08c29a9e66ea131479637205eb3c",
      "rows": [
        {
          "name": "Hold current",
          "symbol": "Ihold",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "23℃ still air",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Trip current",
          "symbol": "Itrip",
          "kind": "electrical",
          "unit": "A",
          "min": 0.4,
          "typ": null,
          "max": null,
          "conditions": "23℃ still air",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum voltage",
          "symbol": "Vmax",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "at rated current (Imax)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum fault current",
          "symbol": "Imax",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "at rated voltage (Vmax)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power dissipated in tripped state",
          "symbol": "Pd",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "tripped state, 23℃ still air",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum time to trip",
          "symbol": "",
          "kind": "electrical",
          "unit": "s",
          "min": null,
          "typ": null,
          "max": 0.02,
          "conditions": "at 8.00 A fault current",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Minimum resistance (initial)",
          "symbol": "Rmin",
          "kind": "electrical",
          "unit": "Ω",
          "min": 0.8,
          "typ": null,
          "max": null,
          "conditions": "initial (un-soldered) state",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum resistance after trip/reflow",
          "symbol": "R1max",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "23℃, one hour after tripping or 260℃ reflow for 20 s",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Passive aging resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "+85℃, 1000 hours",
          "source_page": 9,
          "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": 9,
          "source": "datasheet"
        },
        {
          "name": "Thermal shock resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "MIL-STD-202 Method 107G, -40℃/+85℃, 20 times",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Operating / storage temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "operating / storage",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Maximum device surface temperature in tripped state",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "tripped state",
          "source_page": 9,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "smd1812b020tf"
  ],
  "discovery_pitch": "SMD1812B020TF (Brightking) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "smd1812b020tf.kicad_sym",
    "smd1812b020tf.kicad_mod",
    "smd1812b020tf.glb",
    "smd1812b020tf.step",
    "smd1812b020tf.lbr",
    "docs/hero.png",
    "docs/smd1812b020tf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "smd1812b020tf-hero.glb",
    "smd1812b020tf-hero.overlay.json",
    "smd1812b020tf-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}