LRAN25EFER008

{
  "schema_version": 1,
  "type": "component",
  "slug": "lran25efer008",
  "title": "LRAN25EFER008",
  "brief": "NCT 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",
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    "mpn": "LRAN25EFER008",
    "manufacturer": "NCT",
    "package": "2512",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors/Shunt Resistors",
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    "distributor_links": {
      "lcsc": "C5121099"
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      "checked_at": "2026-11-07T04:08:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First end electrode of the LRAN25 2512 alloy current-sense resistor (2 W max rated power, -55 to +170 °C operating range, 4-wire measurement on the back electrodes)."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second end electrode of the LRAN25 2512 alloy current-sense resistor, interchangeable with the first (6.4 mm × 3.2 mm body, 2 W max rated power)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
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        "guards": "pin_guards 0.1: passed",
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        ],
        "pages_sent": 15,
        "cost_usd": 0.1979,
        "at": "2026-11-07T04:07:50"
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      "datasheet": {
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        "pages": 15,
        "sha256": "1c7bbc6a4c0f07fe",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "NCT",
      "Package": "2512",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1c7bbc6a4c0f07fe832622cedbd4e9d01d75db510304bf11ddaaaa97ecddd61f",
      "rows": [
        {
          "name": "Maximum rated power (LRAN25, 2W column)",
          "symbol": "P",
          "kind": "recommended_operating",
          "unit": "W",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "Rated power; derate above 70°C per power derating curve (curve not numeric in text)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum rated current (LRAN25 row)",
          "symbol": "I",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": 31.63,
          "max": null,
          "conditions": "LRAN25 row; rated per I=SQRT(P/R)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum overload current (LRAN25 row)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": 86.61,
          "max": null,
          "conditions": "LRAN25 row",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance, R≤2mΩ",
          "symbol": "TCR",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -275,
          "typ": null,
          "max": 275,
          "conditions": "R≦2mΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance, 1mΩ<R≤10mΩ",
          "symbol": "TCR",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "1mΩ<R≦10mΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Resistance range (LRAN25)",
          "symbol": "R",
          "kind": "electrical",
          "unit": "mΩ",
          "min": 2,
          "typ": null,
          "max": 10,
          "conditions": "Resistance range column for ±1%(F), ±2%(G), ±5%(J)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (LRAN25)",
          "symbol": "T",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 170,
          "conditions": "使用温度范围, LRAN25 row",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "T",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 5,
          "typ": null,
          "max": 35,
          "conditions": "Sealed storage, not in direct sunlight, avoid corrosive gases; shelf life 2 years",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Storage relative humidity",
          "symbol": "RH",
          "kind": "recommended_operating",
          "unit": "%RH",
          "min": 40,
          "typ": null,
          "max": 75,
          "conditions": "Sealed storage, 5–35 °C",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Short time overload resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "5 s at X5 rated power (LRAN25 2W), then 24 h rest; JIS C5201",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Biased humidity resistance change",
          "symbol": "",
          "kind": "electrical",
          "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, 1000 h",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycling resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "-55°C to +125°C, 1000 cycles",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Low temperature exposure resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "-55 ±2°C, 1000 h",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "High temperature exposure resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "170°C, 1000 h",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Load life resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "70 ±2°C, rated current, 90 min ON / 30 min OFF, 1000 h",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Resistance to solder heat resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Dipped in 260 ±5°C solder bath for 10 ±1 s",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Solderability (new solder coverage of electrode)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 95,
          "typ": null,
          "max": null,
          "conditions": "Dipped in 245 ±5°C solder for 3 ±1 s",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Resistance to solvent resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Isopropanol at 20–25°C, 60 ±5 s; no appearance damage",
          "source_page": 11,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "100 VDC applied 1 min between electrodes and protective layer/substrate; printed as >100MΩ",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Joint strength of solder resistance change",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Bend test on solder-joined test board, load applied at centre; no appearance damage",
          "source_page": 12,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "LRAN25EFER008 (NCT) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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