AZ431LANTR-E1

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  "slug": "az431lantr-e1",
  "title": "AZ431LANTR-E1",
  "brief": "Diodes Incorporated Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "AZ431LANTR-E1",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Reference",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/768bc01a75a567c2b7be54b790b6b478.pdf",
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    "distributor_links": {
      "lcsc": "C115253"
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    "pins": [
      {
        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference input to the internal error amplifier. Compared against the internal 1.240 V bandgap; regulation drives cathode current until VREF = 1.240 V. Reference input current ~0.15 uA typ (0.4 uA max)."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "power_in",
        "description": "Anode terminal of the shunt regulator; the common/return node. Typically tied to circuit ground in shunt-regulator or programmable-zener configurations."
      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "power_in",
        "description": "Cathode terminal; sinks the shunt/regulation current. Continuous cathode current range -100 to 100 mA (abs max), recommended 0.1 to 100 mA; max cathode voltage 20 V (abs), 18 V (recommended). When shorted to REF, acts as a 1.240 V precision reference."
      }
    ],
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        "pages": 19,
        "sha256": "6b8c6ed92d8e1c2d",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
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        "refuses_to_fabricate": true
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    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -0.9375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
      "mark": "drawn"
    },
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          3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Unknown",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
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      "rows": [
        {
          "name": "Reference voltage (0.5% grade)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.234,
          "typ": 1.24,
          "max": 1.246,
          "conditions": "VKA = VREF, IKA = 10mA",
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          "source": "datasheet"
        },
        {
          "name": "Deviation of reference voltage over 0°C to +70°C",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "VKA = VREF, IKA = 10mA, 0°C to +70°C",
          "source_page": 5,
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        },
        {
          "name": "Deviation of reference voltage over -40°C to +85°C",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "VKA = VREF, IKA = 10mA, -40°C to +85°C",
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        {
          "name": "Deviation of reference voltage over -40°C to +125°C",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 15,
          "conditions": "VKA = VREF, IKA = 10mA, -40°C to +125°C",
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          "source": "datasheet"
        },
        {
          "name": "Ratio of change in VREF to change in cathode voltage",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "voltage_coefficient",
          "unit": "mV/V",
          "min": null,
          "typ": -0.5,
          "max": -1.5,
          "conditions": "IKA = 10mA, ΔVKA: VREF to 16V",
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        },
        {
          "name": "Reference input current",
          "symbol": "IREF",
          "kind": "electrical",
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        },
        {
          "name": "Deviation of reference current over full temperature range",
          "symbol": "ΔIREF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 0.4,
          "conditions": "IKA = 10mA, R1 = 10kΩ, R2 = ∞, TA = -40°C to +125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum cathode current for regulation",
          "symbol": "IKA(Min)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 55,
          "max": 80,
          "conditions": "VKA = VREF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Off-state cathode current",
          "symbol": "IKA(Off)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.04,
          "max": 0.1,
          "conditions": "VREF = 0, VKA = 18V",
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          "source": "datasheet"
        },
        {
          "name": "Off-state cathode current",
          "symbol": "IKA(Off)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 0.05,
          "conditions": "VKA = 6, VREF = 0",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dynamic impedance",
          "symbol": "ZKA",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.05,
          "max": 0.15,
          "conditions": "VKA = VREF, IKA = 1 to 100mA, f ≤ 1.0kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance (SOT23)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 84.84,
          "max": null,
          "conditions": "SOT23",
          "source_page": 5,
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        },
        {
          "name": "Cathode voltage (absolute maximum)",
          "symbol": "VKA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
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        },
        {
          "name": "Cathode current range, continuous (absolute maximum)",
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          "min": -100,
          "typ": null,
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        },
        {
          "name": "Reference input current range (absolute maximum)",
          "symbol": "IREF",
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          "unit": "mA",
          "min": null,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Power dissipation (SOT23/SOT25 group)",
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          "unit": "mW",
          "min": null,
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          "source_page": 4,
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        },
        {
          "name": "Junction temperature (absolute maximum)",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Storage temperature range (absolute maximum)",
          "symbol": "TSTG",
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          "unit": "°C",
          "min": -65,
          "typ": null,
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          "conditions": "",
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        {
          "name": "Cathode voltage (recommended operating)",
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          "conditions": "Minimum given as VREF (not numeric)",
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        {
          "name": "Operating ambient temperature range",
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          "min": -40,
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  "updated_at": "2026-09-24T17:24:57.510Z"
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