LRBK25EFER180

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  "slug": "lrbk25efer180",
  "title": "LRBK25EFER180",
  "brief": "NCT Current Sense Resistors/Shunt Resistors, 2512. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",
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    "subcategory": "Current Sense Resistors/Shunt Resistors",
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        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of an unpolarised resistor; either orientation."
      },
      {
        "number": "2",
        "name": "2",
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        "description": "Terminal 2 of an unpolarised resistor; either orientation."
      }
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    "provenance": {
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        "guards": "pin_guards 0.1: passed",
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        "cost_usd": 0.002,
        "at": "2026-10-18T22:55:41"
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        "pages": 15,
        "sha256": "1c7bbc6a4c0f07fe",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
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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": {
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          "name": "Temperature coefficient of resistance (TCR), R≥101mΩ",
          "symbol": "TCR",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -100,
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          "source_page": 6,
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        {
          "name": "Resistance range",
          "symbol": "R",
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        },
        {
          "name": "Rated power",
          "symbol": "P",
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          "symbol": "I",
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        {
          "name": "Maximum overload current",
          "symbol": "",
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          "conditions": "LRBK25 row as printed in the 最高过负荷电流 column",
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          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 170,
          "conditions": "使用温度范围 as printed",
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        },
        {
          "name": "Insulation resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "100 VDC applied for 1 minute, electrode to protective coat and electrode to substrate",
          "source_page": 12,
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        },
        {
          "name": "Solder electrode new tin area",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": 95,
          "typ": null,
          "max": null,
          "conditions": "Solderability: dipped at 245±5°C for 3±1 s; new solder coverage must exceed",
          "source_page": 11,
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        },
        {
          "name": "Resistance change, short time overload",
          "symbol": "ΔR/R",
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          "unit": "%",
          "min": -0.5,
          "typ": null,
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          "conditions": "5 s at X5 rated power (2W), 24 h rest; printed ≦±0.5%",
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          "name": "Resistance change, temperature cycling",
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          "unit": "%",
          "min": -0.5,
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        },
        {
          "name": "Resistance change, biased humidity",
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          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "85°C, 85%RH, rated current 90 min ON/30 min OFF, 1000 h; printed ≦±0.5%",
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        },
        {
          "name": "Resistance change, low temperature exposure",
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        },
        {
          "name": "Resistance change, high temperature exposure",
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          "unit": "%",
          "min": -1,
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          "max": 1,
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        },
        {
          "name": "Resistance change, load life",
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          "unit": "%",
          "min": -1,
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        {
          "name": "Resistance change, resistance to solder heat",
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          "min": -0.5,
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          "source_page": 11,
          "source": "datasheet"
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        {
          "name": "Resistance change, resistance to solvent",
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          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Isopropyl alcohol 20-25°C, 60±5 s, 24 h rest; printed ≦±0.5%",
          "source_page": 12,
          "source": "datasheet"
        },
        {
          "name": "Resistance change, joint strength of solder",
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          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
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          "max": 0.5,
          "conditions": "Bend test under load; printed ≦±0.5%",
          "source_page": 12,
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        },
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          "name": "Storage temperature",
          "symbol": "",
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          "unit": "°C",
          "min": 5,
          "typ": null,
          "max": 35,
          "conditions": "Storage in sealed condition, relative humidity 40-75; shelf life 2 years",
          "source_page": 14,
          "source": "datasheet"
        }
      ]
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  "discovery_pitch": "LRBK25EFER180 (NCT) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
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