SRF1812P050

{
  "slug": "srf1812p050",
  "version": "0.1.0",
  "type": "component",
  "description": "prosemi Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "circuit protection",
    "srf1812p050",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "srf1812p050.kicad_sym",
    "srf1812p050.kicad_mod",
    "srf1812p050.glb",
    "srf1812p050.step",
    "srf1812p050.lbr",
    "docs/hero.png",
    "docs/srf1812p050-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "srf1812p050-hero.glb",
    "srf1812p050-hero.overlay.json",
    "srf1812p050-etched.glb"
  ],
  "component": {
    "mpn": "SRF1812P050",
    "manufacturer": "prosemi",
    "package": "1812",
    "pin_count": 2,
    "category": "Circuit Protection",
    "subcategory": "Resettable Fuses",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590918761941708800",
    "parts": {
      "symbol": "srf1812p050.kicad_sym",
      "footprint": "srf1812p050.kicad_mod",
      "model_3d": "srf1812p050-hero.glb",
      "model_3d_plain": "srf1812p050-etched.glb",
      "model_3d_step": "srf1812p050-etched.step",
      "model_3d_step_plain": "srf1812p050.step",
      "lbr": "srf1812p050.lbr"
    },
    "distributor_links": {
      "lcsc": "C21261153"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:02:35Z",
      "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": "First terminal of the non-polarized PTC resettable fuse (one end-cap pad, recommended pad 1.78±0.1 mm x 3.15±0.1 mm), rated hold current 0.50 A, trip current 1.00 A, Vmax 60 V."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal of the non-polarized PTC resettable fuse (other end-cap pad, 3.45±0.1 mm pad gap), rated hold current 0.50 A, trip current 1.00 A, Vmax 60 V."
      }
    ],
    "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 drawing shows a two-terminal SMD PTC fuse with an end-cap pad at each end, but it prin",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 3,
        "cost_usd": 0.1039,
        "at": "2026-10-19T02:59:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590918761941708800",
        "pages": 3,
        "sha256": "0f89034024a1602c",
        "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": "srf1812p050.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": "b9179fd5a625b079a7cf4f677d24dbabfd992ce91c61629082161dbd368d5b38",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "srf1812p050-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": "0cd7edba1eda85e826aac93bd8d8824786a8d61c5f58e19df1f8ab834387feac",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}