NCV431BVDR2G

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  "slug": "ncv431bvdr2g",
  "title": "NCV431BVDR2G",
  "brief": "onsemi Voltage Reference, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "NCV431BVDR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590004510652735488",
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    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode (K) of the shunt regulator. Regulated node - sinks 1.0 mA to 100 mA when VKA reaches the programmed value. Absolute max VKA = 37 V; continuous IK rated −100 to +150 mA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode (A) of the shunt regulator (return / ground reference). Electrically common to the die-attach flag together with pins 3, 6 and 7; tie all four to the board's low-side/ground plane to realize the enhanced power-dissipation rating of the modified SOIC-8."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode / die-attach-flag connection. Electrically common with pins 2, 6 and 7 (Anode). Bond to the anode/ground copper for thermal transfer."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to Anode; do not use for signal routing."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to Anode; do not use for signal routing."
      },
      {
        "number": "6",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode / die-attach-flag connection. Electrically common with pins 2, 3 and 7 (Anode). Bond to the anode/ground copper for thermal transfer."
      },
      {
        "number": "7",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode (A) of the shunt regulator. Electrically common with pins 2, 3 and 6 via the die-attach flag; the four anode pins together form the low-side/return terminal."
      },
      {
        "number": "8",
        "name": "REF",
        "type": "input",
        "description": "Reference input (R). Internal error amplifier compares this pin against the 2.495 V internal bandgap; drive from a resistor divider from Cathode to program VKA = (1 + R1/R2)·Vref. Iref = 1.1 µA typ (2.0 µA max @ 25 °C); Iref rated −0.05 to +10 mA."
      }
    ],
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        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    }
  },
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    {
      "mpn": "NCV431BVDR2G",
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    {
      "mpn": "NCV431BVDR2GTL431BVDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCV431BVDR2GTL431BVDG",
      "kind": "packaging"
    },
    {
      "mpn": "NCV431BVDMR2G",
      "kind": "unknown"
    },
    {
      "mpn": "NCV431BVDR2GTL431BVDMR2G",
      "kind": "packaging"
    },
    {
      "mpn": "NCV431BVDR2GTL431BVPG",
      "kind": "packaging"
    },
    {
      "mpn": "NCV431BVDR2GTL431BVLPG",
      "kind": "packaging"
    },
    {
      "mpn": "NCV431BVDR2GTL431BVLPRAG",
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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  "updated_at": "2026-09-25T03:06:06.619Z"
}