K1812L300

{
  "slug": "k1812l300",
  "version": "0.1.0",
  "type": "component",
  "description": "KUU Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "k1812l300",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "k1812l300.kicad_sym",
    "k1812l300.kicad_mod",
    "k1812l300.glb",
    "k1812l300.step",
    "k1812l300.lbr",
    "docs/hero.png",
    "docs/k1812l300-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "k1812l300-hero.glb",
    "k1812l300-hero.overlay.json"
  ],
  "component": {
    "mpn": "K1812L300",
    "manufacturer": "KUU",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919295296884736",
    "parts": {
      "symbol": "k1812l300.kicad_sym",
      "footprint": "k1812l300.kicad_mod",
      "model_3d": "k1812l300-hero.glb",
      "model_3d_plain": "k1812l300.glb",
      "model_3d_step": "k1812l300-etched.step",
      "model_3d_step_plain": "k1812l300.step",
      "lbr": "k1812l300.lbr"
    },
    "distributor_links": {
      "lcsc": "C2892443"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T06:37:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of the non-polarized resettable PPTC fuse (holding current 3.00 A, trip current 6.00 A, Vmax 12 V, Imax 100 A)."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of the non-polarized resettable PPTC fuse (holding current 3.00 A, trip current 6.00 A, Vmax 12 V, Imax 100 A)."
      }
    ],
    "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: The datasheet shows a two-terminal SMD resettable fuse with two end-cap terminals and no pin numbers",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 1,
        "cost_usd": 0.0745,
        "at": "2026-10-09T06:32:39"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588919295296884736",
        "pages": 1,
        "sha256": "850fc9a724a4e10a",
        "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": "k1812l300.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": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f212f9f678d0f02da91b8c1a6a10692b913c37ee51ad4ce0e3fa456bd6528003",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "k1812l300-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": "4d13f41e9337274a629ecadf43e8ab56513e800df243c221db50e43b42b9dba5",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}