main
Ray Set visibility: public 47b7bf9 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "az431bz-atrg1",
  "title": "AZ431BZ-ATRG1",
  "brief": "Diodes Incorporated Voltage Reference, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "az431bz-atrg1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AZ431BZ-ATRG1",
    "manufacturer": "Diodes Incorporated",
    "package": "TO-92-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941983008641024",
    "parts": {
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      "footprint": "az431bz-atrg1.kicad_mod",
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      "model_3d_step": "az431bz-atrg1-etched.step",
      "model_3d_step_plain": "az431bz-atrg1.step",
      "lbr": "az431bz-atrg1.lbr"
    },
    "distributor_links": {
      "lcsc": "C1575700",
      "digikey": "31-AZ431BZ-ATRG1CT-ND",
      "mouser": "621-AZ431BZ-ATRG1"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:04:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "31-AZ431BZ-ATRG1CT-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "621-AZ431BZ-ATRG1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REF",
        "type": "input",
        "description": "Reference input that sets the regulated cathode voltage to VREF (2.5V typ) with an external divider; reference current is 0.7µA typ, 4µA max, and IREF absolute maximum is 10mA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "power_in",
        "description": "Anode terminal, normally connected to ground; cathode current range is -100 to 150mA absolute maximum."
      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode (shunt output) terminal that can be set from VREF to 36V recommended (40V absolute maximum) and sinks 1mA to 100mA."
      }
    ],
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
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        "guards": "pin_guards 0.1: passed",
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        "cost_usd": 0.1999,
        "at": "2026-10-19T03:02:03"
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        "pages": 19,
        "sha256": "af7f4848d81a3997",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 3,
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        "refuses_to_fabricate": true
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        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-19",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "TO-92-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "appearance": {
      "housing": {
        "quote": "ESD ESD (Human Body Model) 2000 V Note 4: Stresses greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and",
        "page": 4,
        "doc": "ds.pdf",
        "material": "Abs"
      },
      "version": 1,
      "datasheet_sha256": "af7f4848d81a39974b1af3f3fb3fa61d5cdf6e5f469b25414ab7d9277061eec8"
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    "characteristics": {
      "version": 1,
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          "name": "Reference Voltage (0.8% grade)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 2.48,
          "typ": 2.5,
          "max": 2.52,
          "conditions": "VKA = VREF, IKA = 10mA",
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          "source": "datasheet"
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        {
          "name": "Voltage tolerance",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.8,
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          "conditions": "0.8% voltage tolerance grade (part-number suffix B)",
          "source_page": 10,
          "source": "datasheet"
        },
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          "unit": "mV",
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        {
          "name": "Deviation of Reference Voltage over -40 to +125°C",
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          "name": "Ratio of Change in Reference Voltage to Change in Cathode Voltage (10V to VREF)",
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          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
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        },
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          "name": "Ratio of Change in Reference Voltage to Change in Cathode Voltage (36V to 10V)",
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          "unit": "mV/V",
          "min": null,
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          "max": -2,
          "conditions": "IKA = 10mA, VKA = 36V to 10V",
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        },
        {
          "name": "Reference Current",
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          "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": "IREF",
          "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)",
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          "conditions": "VKA = VREF",
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          "source": "datasheet"
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          "name": "Off-state Cathode Current",
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          "conditions": "VKA = 36V, VREF = 0",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Dynamic Impedance",
          "symbol": "ZKA",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.15,
          "max": 0.5,
          "conditions": "VKA = VREF, IKA = 1 to 100mA, f ≤ 1.0kHz",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Equivalent Full-range Temperature Coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Listed as typical in Features; no test conditions printed",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Cathode Voltage (absolute maximum)",
          "symbol": "VKA",
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          "source": "datasheet"
        },
        {
          "name": "Cathode Current Range (continuous)",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
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        },
        {
          "name": "Reference Input Current Range",
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        },
        {
          "name": "Power Dissipation (Z package, TO92)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
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          "typ": null,
          "max": 770,
          "conditions": "Z, R package",
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        },
        {
          "name": "Thermal Resistance Junction to Ambient (TO92)",
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          "kind": "thermal",
          "unit": "°C/W",
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          "typ": null,
          "max": 165,
          "conditions": "Junction to ambient",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Junction Temperature",
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        },
        {
          "name": "Storage Temperature Range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
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        },
        {
          "name": "ESD (Human Body Model)",
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          "max": 2000,
          "conditions": "Human Body Model",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Cathode Voltage (recommended)",
          "symbol": "VKA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "Minimum is VREF (printed as a symbol, not a number)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Cathode Current (recommended)",
          "symbol": "IKA",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 1,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (TO92, θJC row)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 81.63,
          "max": null,
          "conditions": "Thermal resistance row under electrical characteristics; TO92 value as printed",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "AZ431BZ-ATRG1 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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