FPM253WJR050TM

{
  "schema_version": 1,
  "type": "component",
  "slug": "fpm253wjr050tm",
  "title": "FPM253WJR050TM",
  "brief": "FOJAN Current Sense Resistors / Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "resistors",
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  "component": {
    "mpn": "FPM253WJR050TM",
    "manufacturer": "FOJAN",
    "package": "2512",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors / Shunt Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8763504957620400128",
    "parts": {
      "symbol": "fpm253wjr050tm.kicad_sym",
      "footprint": "fpm253wjr050tm.kicad_mod",
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      "model_3d_plain": "fpm253wjr050tm-etched.glb",
      "model_3d_step": "fpm253wjr050tm-etched.step",
      "model_3d_step_plain": "fpm253wjr050tm.step",
      "lbr": "fpm253wjr050tm.lbr"
    },
    "distributor_links": {
      "lcsc": "C7420015"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T22:35:34Z",
      "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 50 mΩ (R050) alloy current-sense resistor, rated 3 W at 70 °C, 38 A rated current, 86 A max overload, with Sn-plated electrode on a 6.4 x 3.2 mm body."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal of the 50 mΩ (R050) alloy current-sense resistor, interchangeable with terminal 1 (non-polarized), operating range -55 °C to 170 °C."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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 print pin numbers or names. It shows a two-terminal chip resistor with electr; The part number FPM253WJR050TM decodes as 2512 size, 3 W, ±5% (J), R050 = 50 mΩ, 7-inch reel, metal.",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1753,
        "at": "2026-10-19T22:35:20"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8763504957620400128",
        "pages": 11,
        "sha256": "20558dfb235c52df",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.2,
          0.6
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "76b2052a3c120193de7cdc0af99157b6f375e9a4af7721e3e3d012968c877f27",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fpm253wjr050tm-etched.step",
        "role": "eda",
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        "sha256": "f699ccc446ae0ebd64afc786505ccb585a5171db8472f75b4574105c425cd694",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "FOJAN",
      "Package": "2512",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
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      "rows": [
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          "name": "Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "nominal, catalog attribute (LCSC C7420015)",
          "source_page": null,
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        {
          "name": "Tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
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          "conditions": "catalog attribute (LCSC C7420015)",
          "source_page": null,
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        },
        {
          "name": "Rated power",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "catalog attribute (LCSC C7420015)",
          "source_page": null,
          "source": "catalog"
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  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "fpm253wjr050tm"
  ],
  "discovery_pitch": "FPM253WJR050TM (FOJAN) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}