AS431HANTR-G1

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  "slug": "as431hantr-g1",
  "title": "AS431HANTR-G1",
  "brief": "Diodes Incorporated Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "AS431HANTR-G1",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Reference",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2304140030_Diodes-Incorporated-AS431HANTR-G1_C460669.pdf",
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      {
        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference input to the internal error amplifier. Regulation forces this pin to VREF (nominally 2.495V) relative to ANODE. Reference input current is typically 0.7uA (4uA max); maximum allowed IREF is 10mA."
      },
      {
        "number": "2",
        "name": "CATHODE",
        "type": "passive",
        "description": "Shunt cathode (K). Sinks current when the REF pin exceeds VREF, clamping VKA. Operating VKA range is VREF to 36V, cathode current 0.5mA to 100mA (Absolute Max VKA = 40V, IKA = -100 to 150mA). Dynamic impedance ZKA = 0.15 Ohm typ."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "passive",
        "description": "Shunt anode (A), the device's local ground reference. All VREF and VKA voltages are referenced to this pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
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        "pages": 15,
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        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "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": [
          2.5,
          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "53df2842f0c152f0",
      "rows": [
        {
          "name": "Reference Voltage (0.5% tolerance)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 2.483,
          "typ": 2.495,
          "max": 2.507,
          "conditions": "VKA = VREF, IKA = 10mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Deviation of Reference Voltage Over 0 to +70°C",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 8,
          "conditions": "VKA = VREF, IKA = 10mA, 0 to +70°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Deviation of Reference Voltage Over -40 to +85°C",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 14,
          "conditions": "VKA = VREF, IKA = 10mA, -40 to +85°C",
          "source_page": 5,
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        },
        {
          "name": "Deviation of Reference Voltage Over -40 to +125°C",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 5,
          "max": 16,
          "conditions": "VKA = VREF, IKA = 10mA, -40 to +125°C",
          "source_page": 5,
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        },
        {
          "name": "Ratio of Change in Reference Voltage to Change in Cathode Voltage (10V to VREF)",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": -1,
          "max": -2.7,
          "conditions": "IKA = 10mA, ΔVKA = 10V to VREF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Ratio of Change in Reference Voltage to Change in Cathode Voltage (36V to 10V)",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": -0.5,
          "max": -2,
          "conditions": "IKA = 10mA, ΔVKA = 36V to 10V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference Current",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.7,
          "max": 4,
          "conditions": "IKA = 10mA, R1 = 10kΩ, R2 = ∞",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Deviation of Reference Current Over Full Temperature Range",
          "symbol": "ΔIREF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.4,
          "max": 1.2,
          "conditions": "IKA = 10mA, R1 = 10kΩ, R2 = ∞, TA = -40 to +125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum Cathode Current for Regulation",
          "symbol": "IKA (Min)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.35,
          "max": 0.5,
          "conditions": "VKA = VREF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Off-state Cathode Current",
          "symbol": "IKA (Off)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.002,
          "max": 0.5,
          "conditions": "VKA = 36V, VREF = 0",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dynamic Impedance",
          "symbol": "ZKA",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.15,
          "max": 0.5,
          "conditions": "VKA = VREF, IKA = 0.5 to 100mA, f ≤ 1.0KHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Cathode Voltage (absolute maximum)",
          "symbol": "VKA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
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        },
        {
          "name": "Cathode Current Range (Continuous)",
          "symbol": "IKA",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 150,
          "conditions": "Continuous",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Reference Input Current Range",
          "symbol": "IREF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD (Human Body Model)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "Human Body Model",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Cathode Voltage (recommended)",
          "symbol": "VKA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "Minimum printed as VREF (no numeric minimum)",
          "source_page": 4,
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        },
        {
          "name": "Cathode Current (recommended)",
          "symbol": "IKA",
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          "typ": null,
          "max": 100,
          "conditions": "",
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        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Thermal Resistance Junction-to-Ambient, SOT23",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 380,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Thermal Resistance Junction-to-Case, SOT23",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 136,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
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      ]
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  "variants": [
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      "mpn": "AS431HANTR-G1",
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    {
      "mpn": "AS431HBNTR-G1",
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    {
      "mpn": "AS431HMANTR-G1",
      "kind": "unknown"
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    {
      "mpn": "AS431HMBNTR-G1",
      "kind": "unknown"
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    {
      "mpn": "AS431HAZTR-G1",
      "kind": "unknown"
    },
    {
      "mpn": "AS431HBZTR-G1",
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  "updated_at": "2026-09-24T16:58:31.419Z"
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