TL431ACDG

{
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  "type": "component",
  "slug": "tl431acdg",
  "title": "TL431ACDG",
  "brief": "onsemi Voltage Reference, SOIC-8. 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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    "power management (pmic)",
    "tl431acdg",
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  "component": {
    "mpn": "TL431ACDG",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884152578293760",
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      "lbr": "tl431acdg.lbr"
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    "distributor_links": {
      "lcsc": "C233727",
      "digikey": "TL431ACDGOS-ND",
      "mouser": "863-TL431ACDG"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:35:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TL431ACDGOS-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "863-TL431ACDG",
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    },
    "pins": [
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        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the shunt regulator, operating at 1.0 mA to 100 mA sink current with VKA from Vref up to 36 V."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "power_in",
        "description": "Anode (ground side) of the shunt regulator, electrically common to the die attach flag with pins 3, 6 and 7."
      },
      {
        "number": "3",
        "name": "Anode",
        "type": "power_in",
        "description": "Anode (ground side) of the shunt regulator, electrically common to the die attach flag with pins 2, 6 and 7."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "5",
        "name": "N/C",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "6",
        "name": "Anode",
        "type": "power_in",
        "description": "Anode (ground side) of the shunt regulator, electrically common to the die attach flag with pins 2, 3 and 7."
      },
      {
        "number": "7",
        "name": "Anode",
        "type": "power_in",
        "description": "Anode (ground side) of the shunt regulator, electrically common to the die attach flag with pins 2, 3 and 6."
      },
      {
        "number": "8",
        "name": "Reference",
        "type": "input",
        "description": "Reference input of the programmable shunt regulator, set by two external resistors to program the output from Vref to 36 V."
      }
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        "at": "2026-10-20T17:34:03"
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        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
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          "name": "Ratio of Change in Reference Input Voltage to Change in Cathode to Anode Voltage (VKA = 10 V to Vref)",
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          "name": "Reference Input Current Deviation Over Temperature Range",
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        },
        {
          "name": "Minimum Cathode Current For Regulation",
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        {
          "name": "Off-State Cathode Current",
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          "conditions": "VKA = 36 V, Vref = 0 V",
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        {
          "name": "Dynamic Impedance",
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          "name": "Cathode to Anode Voltage (recommended)",
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          "name": "Cathode to Anode Voltage (absolute maximum)",
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          "name": "Operating Ambient Temperature Range (TL431AC)",
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          "conditions": "TL431AC (commercial grade)",
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          "name": "ESD Rating, Machine Model",
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          "source_page": 2,
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          "name": "ESD Rating, Charged Device Model",
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          "source_page": 2,
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        {
          "name": "Thermal Resistance, Junction-to-Ambient (D suffix SOIC-8)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 178,
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          "source_page": 3,
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          "name": "Thermal Resistance, Junction-to-Case (D suffix SOIC-8)",
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          "min": null,
          "typ": 83,
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          "source_page": 3,
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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