LRAM12CFTR020

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  "slug": "lram12cftr020",
  "title": "LRAM12CFTR020",
  "brief": "NCT Current Sense Resistors/Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "LRAM12CFTR020",
    "manufacturer": "NCT",
    "package": "1206",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Current Sense Resistors/Shunt Resistors",
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    "distributor_links": {
      "lcsc": "C5120997"
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    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "First terminal of the 20 mΩ (R020) 1206 alloy current-sense resistor, rated 1 W with ±50 ppm/°C TCR over -55 to +170 °C; the part is non-polarized and the sense point is the 4-wire measurement on the back electrode."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Second terminal of the 20 mΩ (R020) 1206 alloy current-sense resistor, rated 1 W with maximum rated current 22.36 A and maximum overload current 50.00 A for the 2~100 mΩ range."
      }
    ],
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        "cost_usd": 0.1775,
        "at": "2026-11-07T04:00:04"
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        "sha256": "13512fac2aa9df8a",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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  "metadata": {
    "specs": {
      "Manufacturer": "NCT",
      "Package": "1206",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "13512fac2aa9df8a51dc7646aac65410622c0279c96483913316d0dc5debfe5f",
      "rows": [
        {
          "name": "Resistance tolerance (code F)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Tolerance letter F = ±1%",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance (TCR)",
          "symbol": "TCR",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "Row LRA*12** 1 W, 2~100 mΩ; R1 at room temp, R2 at 125 °C",
          "source_page": 3,
          "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 as printed for LRA*12**",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Rated power",
          "symbol": "P",
          "kind": "recommended_operating",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "1 W (code C); must be derated above 70 °C per printed derating curve",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum rated current",
          "symbol": "",
          "kind": "electrical",
          "unit": "",
          "min": null,
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          "conditions": "Row LRA*12** 1 W, 2~100 mΩ; unit not printed in table",
          "source_page": 3,
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        },
        {
          "name": "Maximum overload current",
          "symbol": "",
          "kind": "electrical",
          "unit": "",
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          "max": 50,
          "conditions": "Row LRA*12** 1 W, 2~100 mΩ; unit not printed in table",
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          "source": "datasheet"
        },
        {
          "name": "Short time overload resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "1206 1 W: 5 times rated power for 5 s, 24 h rest",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Biased humidity resistance change",
          "symbol": "ΔR/R",
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          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "85 °C/85%RH, 10% rated power, 1000 h, 24±4 h rest",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycling resistance change",
          "symbol": "ΔR/R",
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          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "-55 °C to +150 °C, 1000 cycles, 15 min dwell",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low temperature exposure resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "-55±2 °C, 96 h",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High temperature exposure resistance change",
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          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "170 °C, 1000 h, 24±4 h rest",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Load life resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "70±2 °C, rated power 90 min ON / 30 min OFF, 1000 h",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Resistance to solder heat resistance change",
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          "unit": "%",
          "min": -0.5,
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          "max": 0.5,
          "conditions": "260±5 °C solder bath, 10±1 s, 1 h rest",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Solderability (electrode coverage with new solder)",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": 95,
          "typ": null,
          "max": null,
          "conditions": "245±5 °C, 3±1 s; coverage must be greater than 95%",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Terminal bending resistance change",
          "symbol": "ΔR/R",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "2.5 kg load, 2 mm deflection, 60 s",
          "source_page": 5,
          "source": "datasheet"
        }
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