main
Ray Publish 0.1.0 63f9922 16d ago
{
  "slug": "frm121wfr004tm",
  "version": "0.1.0",
  "type": "component",
  "description": "FOJAN Current Sense Resistors / Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "resistors",
    "frm121wfr004tm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "frm121wfr004tm.kicad_sym",
    "frm121wfr004tm.kicad_mod",
    "frm121wfr004tm.glb",
    "frm121wfr004tm.step",
    "frm121wfr004tm.lbr",
    "docs/hero.png",
    "docs/frm121wfr004tm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "frm121wfr004tm-hero.glb",
    "frm121wfr004tm-hero.overlay.json",
    "frm121wfr004tm-etched.glb"
  ],
  "component": {
    "mpn": "FRM121WFR004TM",
    "manufacturer": "FOJAN",
    "package": "1206",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors / Shunt Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8763504930529660928",
    "parts": {
      "symbol": "frm121wfr004tm.kicad_sym",
      "footprint": "frm121wfr004tm.kicad_mod",
      "model_3d": "frm121wfr004tm-hero.glb",
      "model_3d_plain": "frm121wfr004tm-etched.glb",
      "model_3d_step": "frm121wfr004tm-etched.step",
      "model_3d_step_plain": "frm121wfr004tm.step",
      "lbr": "frm121wfr004tm.lbr"
    },
    "distributor_links": {
      "lcsc": "C7420009"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T10:49:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First end electrode of the 1206 (3.2 x 1.6 mm) alloy current-sense resistor, interchangeable with the other terminal; rated 1 W at 70°C, 31 A rated current for 1 to 100 mΩ."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second end electrode of the 1206 alloy current-sense resistor, interchangeable with the other terminal; resistance is measured Kelvin four-terminal at the product bottom, operating range -55°C to 170°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 does not number or name any terminals. It shows only a two-terminal chip resistor outl; The part number FRM121WFR004TM decodes as 1206 size, 1 W, ±1%, R004 = 4 mΩ, 7-inch reel, metal termi",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.1707,
        "at": "2026-10-19T10:47:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8763504930529660928",
        "pages": 12,
        "sha256": "13a1c74e6b23cc10",
        "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": "frm121wfr004tm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          1.6,
          0.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f5d1ea5c47935091292bd1c6c698e0df88d3d4bbf92bf66b4c97e49df5be9ebc",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "frm121wfr004tm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.2,
          1.6,
          0.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6446227d552ae51044196986e1ebe5cf3ec9c08f3f1117f845db4fe42df008c4",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}