AN431BN-ATRE1

{
  "slug": "an431bn-atre1",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated Voltage References, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "AN431BN-ATRE1",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Voltage References",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AN431BN-ATRE1.pdf",
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    "distributor_links": {
      "lcsc": "C460649"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:21:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": null,
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      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode of the shunt regulator and output node, operating from VREF up to 36V (40V absolute maximum) with 1mA to 100mA cathode current."
      },
      {
        "number": "2",
        "name": "REF",
        "type": "input",
        "description": "Reference input that sets the output voltage via a resistor divider against the 2.5V internal reference, with typical reference current of 0.7µA."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "power_in",
        "description": "Anode of the shunt regulator, connected to ground in the typical shunt regulator circuit."
      }
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