main
Ray Set visibility: public f4605a1
{
  "schema_version": 1,
  "type": "component",
  "slug": "hollr2512-3w-80mr-1",
  "title": "HoLLR2512-3W-80mR-1%",
  "brief": "Milliohm 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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  "component": {
    "mpn": "HoLLR2512-3W-80mR-1%",
    "manufacturer": "Milliohm",
    "package": "2512",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors / Shunt Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603386056972509184",
    "parts": {
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      "lbr": "hollr2512-3w-80mr-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C22450708",
      "digikey": "5705-HoLLR2512-3W-80mR-1%TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T04:08:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5705-HoLLR2512-3W-80mR-1%TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First resistor terminal (end electrode, C = 0.9±0.2 mm) of the 80 mΩ ±1% element, rated 3 W maximum at up to 70°C, 77.50 A maximum rated current, with the recommended pad A = 4.0±0.1 mm, L = 4.1±0.1 mm, B = 2.1±0.1 mm."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second resistor terminal (end electrode) of the 80 mΩ ±1% element, with a Kelvin sensing trace taken from the inner pad edge for resistance measurement, operating from -55 to +170°C."
      }
    ],
    "provenance": {
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      "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 never numbers or names the terminals. It is a two-terminal current-sense resistor, and; The 2512 pad drawing on page 8 shows a separate sensing trace beside each Cu trace. It is a PCB layo; The 77.50 A rated current and 173.2 A overload current in the electrical table are shared by the who",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.1879,
        "at": "2026-11-07T04:08:30"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603386056972509184",
        "pages": 9,
        "sha256": "675c43dd8835a46f",
        "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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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "76b2052a3c120193de7cdc0af99157b6f375e9a4af7721e3e3d012968c877f27",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "hollr2512-3w-80mr-1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "footprint_binding": "identity",
        "sha256": "d7066ae8319e071d1b2428346291dfe71f1dbcf34a7ba6ef4c0f31d8a1b96914",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Milliohm",
      "Package": "2512",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "675c43dd8835a46f9763b49f9d31ecad42b861edae5afc22e8fbdfac76098b8c",
      "rows": [
        {
          "name": "Resistance tolerance (suffix -1%, F = ±1%)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Part suffix -1% (code F = ±1%)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance",
          "symbol": "TCR",
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          "unit": "ppm/°C",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "1mΩ<R≤500mΩ",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Short time overload resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "5 s at 2× rated power (3W ×2), then 24 h rest",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Biased humidity resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "85°C ±5°C, 85 ±5%RH, rated current, 90 min ON / 30 min OFF, 1,000 h",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycling resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "-55°C to +125°C, 1000 cycles",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low temperature exposure (storage) resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
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          "typ": null,
          "max": 0.5,
          "conditions": "-55±2°C, 1000 h",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High temperature exposure (storage) resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "170°C, 1000 h",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Load life resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "70±2°C, rated current, 90 min ON / 30 min OFF, 1,000 h",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Resistance to solder heat resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "260±5°C solder bath, 10±1 s",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Resistance to solvent resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Isopropanol 20~25°C, 60±5 s",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Joint strength of solder resistance change",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Board bend test, load applied at centre of test board",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Solderability (electrode new solder coverage)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": 95,
          "typ": null,
          "max": null,
          "conditions": "Dipped at 245±5°C for 3±1 s, magnifier inspection",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "100 VDC applied for 1 min, electrode to protective layer and electrode to substrate",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 170,
          "conditions": "使用温度范围 (operating temperature range) for 2512 2W/3W",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Nominal resistance",
          "symbol": "R",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "Part number 80mR",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Rated power",
          "symbol": "P",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "Part number 3W; power must be derated above 70°C per derating curve",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "hollr2512-3w-80mr-1%"
  ],
  "discovery_pitch": "HoLLR2512-3W-80mR-1% (Milliohm) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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}