main
Ray Set visibility: public 5997db2 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tmp6431qdyarq1",
  "title": "TMP6431QDYARQ1",
  "brief": "Texas Instruments PTC Thermistors, SOD-523. 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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    "tmp6431qdyarq1",
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    "extractor-text"
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  "component": {
    "mpn": "TMP6431QDYARQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOD-523",
    "pin_count": 2,
    "category": "Sensors",
    "subcategory": "PTC Thermistors",
    "datasheet": "https://www.ti.com/cn/lit/gpn/tmp64-q1",
    "parts": {
      "symbol": "tmp6431qdyarq1.kicad_sym",
      "footprint": "tmp6431qdyarq1.kicad_mod",
      "model_3d": "tmp6431qdyarq1-hero.glb",
      "model_3d_plain": "tmp6431qdyarq1-etched.glb",
      "model_3d_step": "tmp6431qdyarq1-etched.step",
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      "lbr": "tmp6431qdyarq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2873418",
      "digikey": "296-TMP6431QDYARQ1TR-ND",
      "mouser": "595-TMP6431QDYARQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T18:39:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TMP6431QDYARQ1TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-TMP6431QDYARQ1",
        "status": "found"
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    "pins": [
      {
        "number": "1",
        "name": "-",
        "type": "passive",
        "description": "Negative thermistor terminal; it must sit at the lower potential so that pin 2 (+) is more positive than pin 1 for correct biasing, with VSNS limited to 0 to 5.5 V recommended (6 V absolute maximum) and ISNS limited to 100 µA recommended (450 µA absolute maximum)."
      },
      {
        "number": "2",
        "name": "+",
        "type": "passive",
        "description": "Positive thermistor terminal; it must be at a higher potential than pin 1 (-) to ensure correct operation, and should be connected to the highest voltage potential, with VSNS limited to 0 to 5.5 V recommended (6 V absolute maximum) and ISNS limited to 100 µA recommended (450 µA absolute maximum)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "primary_model": "claude-haiku-5-5",
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        "guard_notes": [
          "extractor flagged: The DYA (SOT-5X3) package is the one sold under TMP6431QDYARQ1 per the package addendum on page 18, ; The user's package hint 'SOD-523' appears in the datasheet only as the outline drawing title for DYA"
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        "pages_sent": 28,
        "cost_usd": 0.0904,
        "at": "2026-10-14T18:39:04"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/tmp64-q1",
        "pages": 28,
        "sha256": "bac326980ac9ba01",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 2,
        "described": 2,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          0.8,
          0.63
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b525222377930c32abea58606bffba3aaf171cc66ac292b82d28a82d646d995d",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOD-523",
      "Category": "Sensors",
      "Pins": "2"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "bac326980ac9ba012a0a926421402d07781867d3160573b83383b0826046f0d9",
      "rows": [
        {
          "name": "Nominal resistance at 25°C (R25)",
          "symbol": "R25",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 46.53,
          "typ": 47,
          "max": 47.47,
          "conditions": "TA=25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Resistance tolerance (RTOL)",
          "symbol": "RTOL",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "TA=25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Resistance tolerance (RTOL)",
          "symbol": "RTOL",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "TA = -40°C - 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance tolerance (TCR-35 %)",
          "symbol": "TCR-35",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.4,
          "typ": null,
          "max": 0.4,
          "conditions": "T1 = -40°C, T2 = -30°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance tolerance (TCR25 %)",
          "symbol": "TCR25",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "T1 = 20°C, T2 = 30°C",
          "source_page": 6,
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        },
        {
          "name": "Temperature coefficient of resistance tolerance (TCR85 %)",
          "symbol": "TCR85",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.3,
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          "max": 0.3,
          "conditions": "T1 = 80°C, T2 = 90°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sensor long-term drift (ΔR), 96 h, DYA package",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": 0.14,
          "max": 1,
          "conditions": "RH = 85%, 96 h continuous operation, TA = 130°C, VBias = 5.5V, DYA package",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sensor long-term drift (ΔR), 600 h, DYA package",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -1.5,
          "typ": 0.2,
          "max": 1.5,
          "conditions": "600 h continuous operation, TA = 150°C, VBias = 5.5V, DYA package",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Sensor long-term drift (ΔR), 1000 h, DYA package",
          "symbol": "ΔR",
          "kind": "electrical",
          "unit": "%",
          "min": -1.8,
          "typ": 0.3,
          "max": 1.8,
          "conditions": "1000 h continuous operation, TA = 150°C, VBias = 5.5V, DYA package",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Voltage across pins 2 (+) and 1 (–)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current through device",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 450,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 155,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 155,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Voltage across pins 2 (+) and 1 (–)",
          "symbol": "VSns",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current through device",
          "symbol": "ISns",
          "kind": "recommended_operating",
          "unit": "µA",
          "min": 0,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Natural-ventilation operating temperature range, SOT-5X3/DYA package",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "Natural ventilation, DYA package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance (TCR-35)",
          "symbol": "TCR-35",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 6220,
          "max": null,
          "conditions": "T1 = -40°C, T2 = -30°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance (TCR25)",
          "symbol": "TCR25",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 6400,
          "max": null,
          "conditions": "T1 = 20°C, T2 = 30°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Temperature coefficient of resistance (TCR85)",
          "symbol": "TCR85",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 5910,
          "max": null,
          "conditions": "T1 = 80°C, T2 = 90°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal response time, stirred liquid (63%)",
          "symbol": "tRES",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "63% response, still air T1 = 25°C to stirred liquid T2 = 125°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal response time, still air (63%)",
          "symbol": "tRES",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 3.2,
          "max": null,
          "conditions": "63% response, still air T1 = 25°C to T2 = 70°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance (DYA)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 749.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance (DYA)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 315.8,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance (DYA)",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 506.2,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter (DYA)",
          "symbol": "ΨJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 109.3,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter (DYA)",
          "symbol": "ΨJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 500.4,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "TMP6431QDYARQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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