ZR431F01TA

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  "title": "ZR431F01TA",
  "brief": "Diodes Incorporated Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Reference",
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    "distributor_links": {
      "lcsc": "C107250"
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    "pins": [
      {
        "number": "1",
        "name": "VREF",
        "type": "input",
        "description": "Reference / feedback input. Internally compared to the 2.5 V bandgap reference; tie to the divider tap between the output and GND to program VZ = (1 + R1/R2) x VREF. Input current ~0.12 uA typ, 1.0 uA max."
      },
      {
        "number": "2",
        "name": "VZ",
        "type": "power_in",
        "description": "Cathode / regulated output terminal. Sinks 0.05 mA to 100 mA in operation (150 mA absolute max) and clamps to the programmed VZ set by the VREF divider. Max cathode voltage 20 V."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Anode / device ground return. All voltages in the datasheet are referenced to this pin."
      }
    ],
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        "pages": 11,
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        "source_tier": "mfr"
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        "described": 3,
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        "refuses_to_fabricate": true
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    "pin1": {
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        -0.95
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      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
      "mark": "drawn"
    },
    "models_3d": [
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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
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23",
      "Category": "PMIC",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "93e5c58d4c91bc6c",
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        {
          "name": "Reference Voltage (1% tolerance, SOT23)",
          "symbol": "VREF",
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          "unit": "V",
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          "typ": 2.5,
          "max": 2.525,
          "conditions": "IL = 10mA (Figure 1), VZ = VREF",
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        },
        {
          "name": "Deviation of Reference Input Voltage over Temperature",
          "symbol": "VDEV",
          "kind": "tolerance",
          "unit": "mV",
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          "max": 30,
          "conditions": "IL = 10mA, VZ = VREF, TA = Full Range (Figure 1)",
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        },
        {
          "name": "Ratio of Change in Reference Voltage to Change in Cathode Voltage (VZ from VREF to 10V)",
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          "unit": "mV/V",
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        {
          "name": "Ratio of Change in Reference Voltage to Change in Cathode Voltage (VZ from 10V to 20V)",
          "symbol": "ΔVREF/ΔVZ",
          "kind": "voltage_coefficient",
          "unit": "mV/V",
          "min": null,
          "typ": -1,
          "max": -2,
          "conditions": "VZ from 10V to 20V, IZ = 10mA (Figure 2)",
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        },
        {
          "name": "Reference Input Current",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.12,
          "max": 1,
          "conditions": "R1 = 10k, R2 = O/C, IL = 10mA (Figure 2)",
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        },
        {
          "name": "Deviation of Reference Input Current over Temperature",
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          "unit": "µA",
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          "typ": 0.04,
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        },
        {
          "name": "Minimum Cathode Current for Regulation",
          "symbol": "IZ(MIN)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 35,
          "max": 50,
          "conditions": "VZ = VREF (Figure 1)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Off-State Current",
          "symbol": "IZ(OFF)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VZ = 20V, VREF = 0V (Figure 3)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dynamic Output Impedance",
          "symbol": "RZ",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.75,
          "conditions": "VZ = VREF (Figure 1), f = 0Hz",
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        },
        {
          "name": "Cathode Voltage (recommended operating)",
          "symbol": "VZ",
          "kind": "recommended_operating",
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          "max": 20,
          "conditions": "",
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        },
        {
          "name": "Cathode Current (recommended operating)",
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          "typ": null,
          "max": 100,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TA",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
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          "name": "Cathode Voltage",
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          "name": "Storage Temperature",
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          "name": "Power Dissipation (SOT23)",
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          "unit": "mW",
          "min": null,
          "typ": null,
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          "conditions": "SOT23; ratings apply to ambient temperature +25°C (Notes 5 & 6)",
          "source_page": 2,
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        {
          "name": "Maximum Temperature Coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
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          "conditions": "",
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    {
      "mpn": "ZR431F01TAF005-7",
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    {
      "mpn": "ZR431F01TAF005TA",
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    },
    {
      "mpn": "ZR431F01TAF01-7",
      "kind": "packaging"
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    {
      "mpn": "ZR431F01TA",
      "kind": "packaging"
    },
    {
      "mpn": "ZR431F01TAFTA",
      "kind": "packaging"
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    {
      "mpn": "ZR431F01TAGTA",
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  "updated_at": "2026-09-25T14:50:43.709Z"
}