main
Ray Publish 0.1.0 da49b2b 13d ago
{
  "slug": "lr122wf150lt4e",
  "version": "0.1.0",
  "type": "component",
  "description": "UNI-ROYAL(Uniroyal Elec) Current Sense Resistors / Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "resistors",
    "lr122wf150lt4e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lr122wf150lt4e.kicad_sym",
    "lr122wf150lt4e.kicad_mod",
    "lr122wf150lt4e.glb",
    "lr122wf150lt4e.step",
    "lr122wf150lt4e.lbr",
    "docs/hero.png",
    "docs/lr122wf150lt4e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lr122wf150lt4e-hero.glb",
    "lr122wf150lt4e-hero.overlay.json",
    "lr122wf150lt4e-etched.glb"
  ],
  "component": {
    "mpn": "LR122WF150LT4E",
    "manufacturer": "UNI-ROYAL(Uniroyal Elec)",
    "package": "2512",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors / Shunt Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603144027294212096",
    "parts": {
      "symbol": "lr122wf150lt4e.kicad_sym",
      "footprint": "lr122wf150lt4e.kicad_mod",
      "model_3d": "lr122wf150lt4e-hero.glb",
      "model_3d_plain": "lr122wf150lt4e-etched.glb",
      "model_3d_step": "lr122wf150lt4e-etched.step",
      "model_3d_step_plain": "lr122wf150lt4e.step",
      "lbr": "lr122wf150lt4e.lbr"
    },
    "distributor_links": {
      "lcsc": "C2941075",
      "mouser": "303-LR122WF150LT4E"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T03:12:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "303-LR122WF150LT4E",
        "status": "found",
        "lifecycle": "New Product"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First terminal of the LR12 (2512) metal strip chip resistor, a Sn-plated end electrode (A = 0.90±0.25 mm or 0.65±0.25 mm depending on rating and resistance range) for the 3~350mΩ element."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal of the LR12 (2512) metal strip chip resistor, a Sn-plated end electrode interchangeable with the first, rated 1.5W (LR122W-class 2W/3W series per part code, 1A=1.5W) at 70°C with derating above 70°C."
      }
    ],
    "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 chip resistor and prints no pin numbers. Pins 1 and 2 are assumed",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.149,
        "at": "2026-10-21T03:11:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603144027294212096",
        "pages": 7,
        "sha256": "e01cdf7929676065",
        "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": "lr122wf150lt4e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.3,
          3.2,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "76b2052a3c120193de7cdc0af99157b6f375e9a4af7721e3e3d012968c877f27",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lr122wf150lt4e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.3,
          3.2,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1bb228fc3774eb20832a22f72bf6f9b1f829546686ddd1057eb36aa3091f9abe",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}