TL431BVDR2G

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  "type": "component",
  "slug": "tl431bvdr2g",
  "title": "TL431BVDR2G",
  "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": [
    "component",
    "power management (pmic)",
    "tl431bvdr2g",
    "factory-2.0.0",
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  "component": {
    "mpn": "TL431BVDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588902371917508609",
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    },
    "distributor_links": {
      "lcsc": "C242262",
      "mouser": "863-TL431BVDR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T22:43:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 540 calls left today"
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      "mouser": {
        "pn": "863-TL431BVDR2G",
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    "pins": [
      {
        "number": "1",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode (K) of the shunt regulator, programmable from Vref to 36 V (VKA max 37 V) with sink current of 1.0 mA to 100 mA."
      },
      {
        "number": "2",
        "name": "Anode",
        "type": "power_in",
        "description": "Anode (A) of the shunt regulator, the reference ground; electrically common to the die attach flag along with pins 3, 6 and 7."
      },
      {
        "number": "3",
        "name": "Anode",
        "type": "power_in",
        "description": "Anode (A), electrically common to the die attach flag and pins 2, 6 and 7, which increases power dissipation capability when mounted on the PCB."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "6",
        "name": "Anode",
        "type": "power_in",
        "description": "Anode (A), electrically common to the die attach flag and pins 2, 3 and 7."
      },
      {
        "number": "7",
        "name": "Anode",
        "type": "power_in",
        "description": "Anode (A), electrically common to the die attach flag and pins 2, 3 and 6."
      },
      {
        "number": "8",
        "name": "Reference",
        "type": "input",
        "description": "Reference (R) input of the programmable shunt regulator, with a 2.5 V nominal reference and input current range of -0.05 to +10 mA."
      }
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        "at": "2026-10-09T22:41:08"
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        "total": 8,
        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
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          "name": "Reference Input Voltage, TA = 25°C",
          "symbol": "Vref",
          "kind": "electrical",
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          "typ": 2.495,
          "max": 2.505,
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          "name": "Reference Input Voltage Deviation Over Temperature Range",
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          "max": 17,
          "conditions": "VKA = Vref, IK = 10 mA",
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        {
          "name": "Ratio of Change in Reference Input Voltage to Change in Cathode-Anode Voltage (VKA = 10 V to Vref)",
          "symbol": "Vref",
          "kind": "voltage_coefficient",
          "unit": "mV/V",
          "min": null,
          "typ": -1.4,
          "max": -2.7,
          "conditions": "IK = 10 mA (Figure 2), VKA = 10 V to Vref",
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        {
          "name": "Ratio of Change in Reference Input Voltage to Change in Cathode-Anode Voltage (VKA = 36 V to 10 V)",
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        {
          "name": "Reference Input Current, TA = 25°C",
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        {
          "name": "Reference Input Current, TA = Tlow to Thigh",
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        {
          "name": "Reference Input Current Deviation Over Temperature Range",
          "symbol": "Iref",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.8,
          "max": 2.5,
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          "source_page": 4,
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        },
        {
          "name": "Minimum Cathode Current For Regulation",
          "symbol": "Imin",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.5,
          "max": 1,
          "conditions": "VKA = Vref (Figure 1)",
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        },
        {
          "name": "Off-State Cathode Current",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 0.23,
          "max": 500,
          "conditions": "VKA = 36 V, Vref = 0 V (Figure 3)",
          "source_page": 4,
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        },
        {
          "name": "Dynamic Impedance",
          "symbol": "|ZKA|",
          "kind": "electrical",
          "unit": "Ω",
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          "max": 0.3,
          "conditions": "VKA = Vref, IK = 1.0 mA to 100 mA, f ≤ 1.0 kHz",
          "source_page": 4,
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        {
          "name": "Cathode to Anode Voltage",
          "symbol": "VKA",
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          "name": "Cathode Current Range, Continuous",
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          "min": -100,
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          "name": "Reference Input Current Range, Continuous",
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          "min": -0.05,
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          "name": "Operating Junction Temperature",
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          "name": "Operating Ambient Temperature Range (TL431BV / NCV431BV row)",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Row lists NCV431AI, NCV431B, TL431BV, SCV431AI",
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        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
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          "unit": "°C",
          "min": -65,
          "typ": null,
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          "conditions": "",
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        {
          "name": "ESD Human Body Model",
          "symbol": "HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 2000,
          "typ": null,
          "max": null,
          "conditions": "Per JEDEC JESD22-A114F; printed as >2000",
          "source_page": 2,
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        {
          "name": "ESD Machine Model",
          "symbol": "MM",
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          "source_page": 2,
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          "name": "ESD Charged Device Model",
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        {
          "name": "Cathode to Anode Voltage (recommended)",
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          "min": null,
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          "max": 36,
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        {
          "name": "Cathode Current (recommended)",
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          "unit": "mA",
          "min": 1,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
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        {
          "name": "Thermal Resistance, Junction-to-Ambient (D package, SOIC-8)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 178,
          "max": null,
          "conditions": "D suffix package",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Thermal Resistance, Junction-to-Case (D package, SOIC-8)",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 83,
          "max": null,
          "conditions": "D suffix package",
          "source_page": 3,
          "source": "datasheet"
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