main
Ray Set visibility: public 8b6af79 5h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ptv09a-4020s-b503",
  "title": "PTV09A-4020S-B503",
  "brief": "BOURNS Potentiometers, Variable Resistors, THT. 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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  "component": {
    "mpn": "PTV09A-4020S-B503",
    "manufacturer": "BOURNS",
    "package": "THT",
    "pin_count": 3,
    "category": "Resistors",
    "subcategory": "Potentiometers, Variable Resistors",
    "datasheet": "https://www.bourns.com/docs/product-datasheets/PTV09.pdf",
    "parts": {
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      "footprint": "ptv09a-4020s-b503.kicad_mod",
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      "model_3d_plain": "ptv09a-4020s-b503.glb"
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    "distributor_links": {
      "digikey": "118-PTV09A-4020S-B503-ND",
      "mouser": "652-PTV09A4020SB503"
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    "distributor_check": {
      "checked_at": "2026-11-05T23:45:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "118-PTV09A-4020S-B503-ND",
        "status": "found"
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      "mouser": {
        "pn": "652-PTV09A4020SB503",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "Terminal 1",
        "type": "passive",
        "description": "Terminal 1 is one end of the carbon resistive element, and the datasheet defines the input voltage as measured between Terminal 1 and Terminal 3, with a maximum operating voltage of 20 VDC or 50 VAC and a power rating of 0.05 W for linear and audio tapers."
      },
      {
        "number": "2",
        "name": "2",
        "type": "passive",
        "description": "Terminal 2 is the output (wiper) terminal, and the taper graphs plot the output voltage measured between Terminal 1 and Terminal 2 against rotational travel."
      },
      {
        "number": "3",
        "name": "3",
        "type": "passive",
        "description": "Terminal 3 is the other end of the resistive element, forming the input reference with Terminal 1 in the Terminal 1-3 input voltage definition, with a maximum operating voltage of 20 VDC or 50 VAC."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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          "footprint has thermal pad ['MP'] the extraction did not name"
        ],
        "pages_sent": 5,
        "cost_usd": 0.0546,
        "at": "2026-11-05T23:45:59"
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        "pages": 5,
        "sha256": "411cdb6a62e61f9c",
        "source_tier": "mfr"
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      "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": "ptv09a-4020s-b503.step",
        "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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          8.3,
          14.4
        ],
        "zmin_mm": -3,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "6a4e28049f583ebb6f0b205dff877acf6a19c8ed549ee9407abc29c3f43cd17f",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "BOURNS",
      "Package": "THT",
      "Category": "Resistors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "411cdb6a62e61f9c5bc2df76ed64ee21d7bcfbee035c1ba36beff08c43f28558",
      "rows": [
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          "name": "Residual Resistance",
          "symbol": "",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Printed as 500 ohms or ±1 % max.",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Residual Resistance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Alternative to 500 ohms, as printed",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Operating Voltage (Linear and Audio)",
          "symbol": "",
          "kind": "electrical",
          "unit": "VDC",
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          "typ": null,
          "max": 20,
          "conditions": "Linear and Audio",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Operating Voltage (Linear and Audio)",
          "symbol": "",
          "kind": "electrical",
          "unit": "VAC",
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          "typ": null,
          "max": 50,
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        },
        {
          "name": "Sliding Noise",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Operating Temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -10,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Rotational Torque",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "g-cm",
          "min": 10,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 1,
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        },
        {
          "name": "Stop Strength",
          "symbol": "",
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          "unit": "kg-cm",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Standard Resistance Tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "Standard resistance tolerance",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Nominal Resistance",
          "symbol": "R",
          "kind": "electrical",
          "unit": "ohms",
          "min": null,
          "typ": 50000,
          "max": null,
          "conditions": "Resistance code 503 per How To Order (B503 suffix)",
          "source_page": 1,
          "source": "datasheet"
        },
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          "name": "Rotational Life",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "cycles",
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          "typ": 10000,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
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  "discovery_triggers": [
    "ptv09a-4020s-b503"
  ],
  "discovery_pitch": "PTV09A-4020S-B503 (BOURNS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}