main
Ray Set visibility: public d048e58
{
  "schema_version": 1,
  "type": "component",
  "slug": "hollr2512-2w-1mr-1",
  "title": "HoLLR2512-2W-1mR-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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    "extractor-text"
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  "component": {
    "mpn": "HoLLR2512-2W-1mR-1%",
    "manufacturer": "Milliohm",
    "package": "2512",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors / Shunt Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837019590930432",
    "parts": {
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      "footprint": "hollr2512-2w-1mr-1.kicad_mod",
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      "model_3d_plain": "hollr2512-2w-1mr-1-etched.glb",
      "model_3d_step": "hollr2512-2w-1mr-1-etched.step",
      "model_3d_step_plain": "hollr2512-2w-1mr-1.step",
      "lbr": "hollr2512-2w-1mr-1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2994615"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T03:49:26Z",
      "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 2512 alloy current-sense resistor (1 mΩ ±1% for this MPN), which is non-polarized and rated 2 W at 70°C ambient with derating to zero at 170°C."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal of the 2512 alloy current-sense resistor, which is non-polarized and has a recommended solder pad length of 4.1±0.1 mm with a 2.1±0.1 mm gap between pads, and a Kelvin sensing trace is drawn at the inner pad edge."
      }
    ],
    "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 draws a two-terminal chip resistor (page 2 body drawing, page 7 land pattern) but prin; The specification covers the whole HoLLR2512 series (2 W and 3 W, 0.5 mΩ to 500 mΩ). The ordering ex",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1805,
        "at": "2026-11-07T03:49:17"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589837019590930432",
        "pages": 7,
        "sha256": "5dac9ede82062791",
        "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"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3.2,
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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)"
      },
      {
        "file": "hollr2512-2w-1mr-1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "116119b21c9b078d4d198b684dfaf1d380889b15ae99a921770257cb40e95a6a",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Milliohm",
      "Package": "2512",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "5dac9ede82062791abe6128aa7cad87c1422993820fbd21efa33dbea2ce04005",
      "rows": [
        {
          "name": "Resistance violating nothing: rows below are limits for HoLLR2512-2W-1mR-1%",
          "symbol": "R",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "MPN value 1mR; family range 0.5mΩ~500mΩ",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Resistance tolerance (code F)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Tolerance code F = ±1%",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance",
          "symbol": "TCR",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -275,
          "typ": null,
          "max": 275,
          "conditions": "R≦1mΩ",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rated power",
          "symbol": "P",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "2W part; rated at 70°C, derate above 70°C per curve",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "T",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 170,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Solderability (electrode new-solder area)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 95,
          "typ": null,
          "max": null,
          "conditions": "Immersed 245±5°C for 3±1 s",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "100 VDC applied 1 min, electrode to protective layer and to substrate",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Biased humidity resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "85±5°C, 85±5%RH, rated current 90 min ON / 30 min OFF, 1000 h",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycling resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "-55°C to +125°C, 1000 cycles",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low temperature exposure resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "-55±2°C, 1000 h",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High temperature exposure resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "170°C, 1000 h",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load life resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "70±2°C, rated current, 90 min ON / 30 min OFF, 1000 h",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Resistance to solder heat resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "260±5°C solder bath, 10±1 s",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Resistance to solvent resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Isopropanol 20-25°C, 60±5 s",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Joint strength of solder resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "Load applied at centre of bending test board",
          "source_page": 6,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
    "hollr2512-2w-1mr-1%"
  ],
  "discovery_pitch": "HoLLR2512-2W-1mR-1% (Milliohm) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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}