MFR2WSFTE73-33K

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  "title": "MFR2WSFTE73-33K",
  "brief": "YAGEO Through Hole Resistors, 插件,D4.5xL11.5mm. 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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    "package": "R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Through Hole Resistors",
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      "lcsc": "C173087"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Terminal 1 of an unpolarised resistor; either orientation."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 of an unpolarised resistor; either orientation."
      }
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        "primary_mode": "convention",
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        "sha256": "b460acdb47646977",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
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        "refuses_to_fabricate": true
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    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "zmin_mm": -3,
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  "metadata": {
    "specs": {
      "Manufacturer": "YAGEO",
      "Package": "R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
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          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Tolerance code F = ±1% per part-numbering table",
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          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Power rating (MFR2WS)",
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          "unit": "W",
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          "max": 2,
          "conditions": "Power Rating at 70 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum working voltage (MFR2WS)",
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          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Maximum overload voltage (MFR2WS)",
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          "min": null,
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          "source": "datasheet"
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        {
          "name": "Voltage proof on insulation (MFR2WS)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
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          "conditions": "Test per IEC 60115-1 4.7: in V-Block for 60 sec.; No Breakdown",
          "source_page": 3,
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        },
        {
          "name": "Resistance range",
          "symbol": "",
          "kind": "electrical",
          "unit": "Ω",
          "min": 1,
          "typ": null,
          "max": 4.7,
          "conditions": "Printed as 1Ω ~ 4M7Ω for E24 & E96 series values; max printed as 4M7Ω (4.7 MΩ)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
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          "typ": null,
          "max": 155,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 10000,
          "typ": null,
          "max": null,
          "conditions": "IEC 60115-1 4.6: in V-Block for 60 sec.; printed >10,000MΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short time overload – ΔR limit (±0.25% + 0.05Ω)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.25,
          "typ": null,
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          "conditions": "2.5 times RCWV for 5 sec. (not more than max overload voltage); additive term +0.05Ω as printed",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Periodic-pulse overload – ΔR limit (±1.0% + 0.05Ω)",
          "symbol": "",
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          "unit": "%",
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Damp heat steady state – ΔR limit (±1.5% + 0.05Ω)",
          "symbol": "",
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          "conditions": "40±2°C, 90-95% RH for 56 days, loaded with 0.1 times RCWV; additive term +0.05Ω as printed",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Endurance at 70°C – ΔR limit (±1.5% + 0.05Ω)",
          "symbol": "",
          "kind": "tolerance",
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          "typ": null,
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycling – ΔR limit (±0.75% + 0.05Ω)",
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          "unit": "%",
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          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Resistance to soldering heat – ΔR limit (±0.25% + 0.05Ω)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.25,
          "typ": null,
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          "conditions": "260±3°C for 10±1 Sec., immersed to a point 3±0.5mm from the body; additive term +0.05Ω as printed",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Solderability – coverage",
          "symbol": "",
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          "min": 95,
          "typ": null,
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          "conditions": "IEC 60115-1 4.17: 245±5°C for 3±0.5 Sec.; minimum coverage",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Robustness of terminations – direct load",
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          "kind": "electrical",
          "unit": "Kg",
          "min": 2.5,
          "typ": null,
          "max": null,
          "conditions": "Direct load for 10 Sec. in direction of terminal leads; printed ≥2.5Kg (24.5N)",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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