main
Ray Set visibility: public eff44a2 6h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ap431iantr-g1",
  "title": "AP431IANTR-G1",
  "brief": "Diodes Incorporated Voltage Reference, SOT-23. 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)",
    "ap431iantr-g1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AP431IANTR-G1",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590222160527720448",
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      "footprint": "ap431iantr-g1.kicad_mod",
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      "lbr": "ap431iantr-g1.lbr"
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    "distributor_links": {
      "lcsc": "C176979"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T13:28:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
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        "name": "REF",
        "type": "passive",
        "description": "Reference input to the internal 2.5 V (2.495 V for AP431iH variants) reference, and the output voltage is set by the external R1/R2 divider; maximum reference input current is 10 mA."
      },
      {
        "number": "2",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode terminal of the 3-terminal adjustable shunt regulator, which carries the cathode current sunk to regulate the output with a sink current range of 100 µA to 100 mA."
      },
      {
        "number": "3",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode terminal, with the output adjustable from VREF up to 36 V and a continuous cathode current range of -100 to 150 mA absolute maximum."
      }
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The SOT-23 pin assignment diagrams for package N and package N1 are both printed as '1 2 3 / REF ANO; Pin types are not stated in the datasheet. REF, ANODE and CATHODE are set to passive (KiCad conventi; The datasheet is marked 'NOT RECOMMENDED FOR NEW DESIGN, USE AP431S' on every page. Consider this wh"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0635,
        "at": "2026-10-18T13:25:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590222160527720448",
        "pages": 17,
        "sha256": "80c1c9a49d507978",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ap431iantr-g1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          3,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ap431iantr-g1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "seat": "z = 0",
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        "centre_offset_mm": 0,
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        "sha256": "bf42a92722d5d170f16ea00a251aaa371c80fb7d583f52babd6bfa2502e44b28",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "80c1c9a49d50797876b6343fccb40f0d31509ca1c7b8ec0f0e32b10a4f090f4b",
      "rows": [
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          "name": "Reference Voltage (0.5%, AP431iA)",
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          "conditions": "VKA = VREF, IKA = 1mA (AP431iA)",
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        },
        {
          "name": "Deviation of Reference Voltage Over Full Temperature Range (0 to +70°C)",
          "symbol": "VREF",
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        },
        {
          "name": "Deviation of Reference Voltage Over Full Temperature Range (-40 to +85°C)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 6,
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          "conditions": "VKA = VREF, IKA = 1mA, -40 to +85°C",
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          "source": "datasheet"
        },
        {
          "name": "Deviation of Reference Voltage Over Full Temperature Range (-40 to +125°C)",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 11,
          "max": 18,
          "conditions": "VKA = VREF, IKA = 1mA, -40 to +125°C",
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          "source": "datasheet"
        },
        {
          "name": "Ratio of Change in Reference Voltage to Change in Cathode Voltage (VKA = 10V to VREF)",
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          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
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        },
        {
          "name": "Ratio of Change in Reference Voltage to Change in Cathode Voltage (VKA = 36V to 10V)",
          "symbol": "VREF/VKA",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": -0.5,
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          "source_page": 5,
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        },
        {
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          "symbol": "IREF",
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          "unit": "µA",
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          "source": "datasheet"
        },
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          "name": "Deviation of Reference Current Over Full Temperature Range",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 0.3,
          "conditions": "IKA = 1mA, 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": "µA",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "VKA = VREF",
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          "source": "datasheet"
        },
        {
          "name": "Off-state Cathode Current",
          "symbol": "IKA (Off)",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.05,
          "max": 1,
          "conditions": "VKA = 36V, VREF = 0",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dynamic Impedance",
          "symbol": "ZKA",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.1,
          "max": 0.3,
          "conditions": "VKA = VREF, IKA = 1 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": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "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": "Power Dissipation (SOT-23)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "SOT-23 package",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD (Human Body Model)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5500,
          "conditions": "Human Body Model",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD (Machine Model)",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Machine Model",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Cathode Voltage (recommended)",
          "symbol": "VKA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "Recommended minimum is printed as VREF (2.5 V nominal); no numeric min given",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Cathode Current (recommended)",
          "symbol": "IKA",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0.1,
          "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, Junction to Case (SOT-23)",
          "symbol": "JC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "SOT-23",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_pitch": "AP431IANTR-G1 (Diodes Incorporated) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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