main
Ray Set visibility: public 4231201
{
  "schema_version": 1,
  "type": "component",
  "slug": "mfr2wsftf73-1r",
  "title": "MFR2WSFTF73-1R",
  "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.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "resistors",
    "mfr2wsftf73-1r",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MFR2WSFTF73-1R",
    "manufacturer": "YAGEO",
    "package": "R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal",
    "pin_count": 2,
    "category": "Resistors",
    "subcategory": "Through Hole Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755414928742600704",
    "parts": {
      "symbol": "mfr2wsftf73-1r.kicad_sym",
      "footprint": "mfr2wsftf73-1r.kicad_mod",
      "model_3d": "mfr2wsftf73-1r-hero.glb",
      "model_3d_step": "mfr2wsftf73-1r.step",
      "lbr": "mfr2wsftf73-1r.lbr",
      "model_3d_plain": "mfr2wsftf73-1r.glb"
    },
    "distributor_links": {
      "lcsc": "C173104"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T22:10:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 546 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "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."
      }
    ],
    "provenance": {
      "extractor": "extract_pins",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins",
        "primary_model": "two-terminal convention",
        "primary_mode": "convention",
        "consensus_model": null,
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0024,
        "at": "2026-11-06T22:10:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755414928742600704",
        "pages": 17,
        "sha256": "b460acdb47646977",
        "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"
    },
    "models_3d": [
      {
        "file": "mfr2wsftf73-1r.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          16.04,
          4.5,
          7.5
        ],
        "zmin_mm": -3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "adda0647a71569528494b0c89336a4700aa00105603a72f3e617460fa4b7b776",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "YAGEO",
      "Package": "R_Axial_DIN0414_L11.9mm_D4.5mm_P15.24mm_Horizontal",
      "Category": "Resistors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "b460acdb476469774e0785a8ef85aec79e2d95fe41beaa79c5a414e4e95e3fe0",
      "rows": [
        {
          "name": "Nominal resistance (part-number code 1R)",
          "symbol": "R",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Code 1R in MPN (resistance value field)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Resistance tolerance (code F)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Tolerance code F = ±1%",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance (code F)",
          "symbol": "TCR",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "Code F = ±100ppm/°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Resistance range (lower limit)",
          "symbol": "R",
          "kind": "electrical",
          "unit": "Ω",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "E24 & E96 series value",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Resistance range (upper limit)",
          "symbol": "R",
          "kind": "electrical",
          "unit": "MΩ",
          "min": null,
          "typ": null,
          "max": 4.7,
          "conditions": "Printed as 4M7Ω; E24 & E96 series value",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power rating",
          "symbol": "P",
          "kind": "electrical",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "At 70 °C (MFR2WS, code 2WS = 2W)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum working voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "MFR2WS column",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum overload voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "MFR2WS column",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage proof on insulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "MFR2WS column; V-Block 60 s, IEC 60115-1 4.7",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (lower)",
          "symbol": "T",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": null,
          "conditions": "Operating Temp. Range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (upper)",
          "symbol": "T",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 155,
          "conditions": "Operating Temp. Range",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 10000,
          "typ": null,
          "max": null,
          "conditions": "In V-Block for 60 sec. (IEC 60115-1 4.6)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short time overload ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%+0.05Ω",
          "min": -0.25,
          "typ": null,
          "max": 0.25,
          "conditions": "2.5 times RCWV for 5 sec. (not more than max overload voltage)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Periodic-pulse overload ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%+0.05Ω",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "4 times RCWV, 10,000 cycles (1 s on, 25 s off)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Damp heat steady state ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%+0.05Ω",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "40±2°C, 90-95% RH for 56 days, loaded with 0.1 times RCWV",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Endurance at 70°C ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%+0.05Ω",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "70±2°C at RCWV (or Umax., whichever less) for 1,000 Hr. (1.5 Hr. on, 0.5 Hr. off)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Temperature cycling ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%+0.05Ω",
          "min": -0.75,
          "typ": null,
          "max": 0.75,
          "conditions": "-55°C to +155°C to room temp, 5 cycles",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Resistance to soldering heat ΔR",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%+0.05Ω",
          "min": -0.25,
          "typ": null,
          "max": 0.25,
          "conditions": "260±3°C for 10±1 Sec., immersed to 3±0.5mm from body",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mfr2wsftf73-1r"
  ],
  "discovery_pitch": "MFR2WSFTF73-1R (YAGEO) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mfr2wsftf73-1r.kicad_sym",
    "mfr2wsftf73-1r.kicad_mod",
    "mfr2wsftf73-1r.glb",
    "mfr2wsftf73-1r.step",
    "mfr2wsftf73-1r.lbr",
    "docs/hero.png",
    "docs/mfr2wsftf73-1r-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mfr2wsftf73-1r-hero.glb",
    "mfr2wsftf73-1r-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}