TPAL0220F7R50K9

{
  "schema_version": 1,
  "type": "component",
  "slug": "tpal0220f7r50k9",
  "title": "TPAL0220F7R50K9",
  "brief": "RESI Through Hole Resistors, TO-220. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "resistors",
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    "extractor-text"
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  "component": {
    "mpn": "TPAL0220F7R50K9",
    "manufacturer": "RESI",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Resistors",
    "subcategory": "Through Hole Resistors",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603392754361638912",
    "parts": {
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      "footprint": "tpal0220f7r50k9.kicad_mod",
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    "distributor_links": {
      "lcsc": "C22446545",
      "digikey": "4506-TPAL0220F7R50K9-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T00:47:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4506-TPAL0220F7R50K9-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1",
        "type": "passive",
        "description": "Resistor terminal 1 (non-polarized, 0.5Ω to 10KΩ series, 35W with heatsink and flange at or below 25°C, 500V max working voltage)."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Resistor terminal 2 (non-polarized, 5.08mm lead pitch, 2000VAC isolation between terminals and flange)."
      },
      {
        "number": "3",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package drawing on page 2 shows two leads at 5.08 mm pitch but does not print pin numbers or nam; The copper flange with the mounting hole is insulated from the terminals (2000VAC withstand) and is ",
          "exposed pad 3 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1642,
        "at": "2026-10-19T00:46:54"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603392754361638912",
        "pages": 11,
        "sha256": "479655884eed109f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "tpal0220f7r50k9.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
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        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "4bbeb00ed28d7d74ebb2a372f2f6e07d0e759106d8ee6d373331536d5d345a87",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RESI",
      "Package": "TO-220",
      "Category": "Resistors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "479655884eed109fe5dc47c1b258a2babf2987c6e7febccf2b3d90f449934f45",
      "rows": [
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          "name": "Resistance tolerance",
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          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance",
          "symbol": "TCR",
          "kind": "temperature_coefficient",
          "unit": "ppm/℃",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Maximum working voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
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        },
        {
          "name": "Rated power",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "with heatsink, flange ≤25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rated power",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 2.25,
          "conditions": "without heatsink",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Insulation resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "MΩ",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Insulation voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "VAC",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Inductance",
          "symbol": "L",
          "kind": "electrical",
          "unit": "μH",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to case",
          "symbol": "RTH(j-c)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 3,
          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Recommended mounting torque",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "N.m",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "heatsink mounting screw",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Resistance change after test, entry 1 of performance table (test not aligned)",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.25,
          "typ": null,
          "max": 0.25,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Resistance change after test, entry 2 of performance table (test not aligned)",
          "symbol": "ΔR",
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          "unit": "%",
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          "conditions": "",
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        },
        {
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        },
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          "name": "Resistance change after test, entry 4 of performance table (test not aligned)",
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          "source_page": 6,
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        },
        {
          "name": "Resistance change after test, entry 5 of performance table (test not aligned)",
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          "kind": "tolerance",
          "unit": "%",
          "min": -0.25,
          "typ": null,
          "max": 0.25,
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          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Resistance change after test, entry 6 of performance table (test not aligned)",
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          "kind": "tolerance",
          "unit": "%",
          "min": -0.25,
          "typ": null,
          "max": 0.25,
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        },
        {
          "name": "Resistance change after test, entry 7 of performance table (test not aligned)",
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        },
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          "name": "Resistance change after test, entry 8 of performance table (test not aligned)",
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        },
        {
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          "unit": "%",
          "min": -0.5,
          "typ": null,
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        },
        {
          "name": "Resistance change after test, entry 10 of performance table (test not aligned)",
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          "kind": "tolerance",
          "unit": "%",
          "min": -0.5,
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          "max": 0.5,
          "conditions": "",
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        },
        {
          "name": "Resistance change after terminal strength test",
          "symbol": "ΔR",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Nominal resistance",
          "symbol": "R",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 7.5,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "TPAL0220F7R50K9 (RESI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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