main
Ray Set visibility: public 7802905 21d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "kia431a",
  "title": "KIA431A",
  "brief": "KIA Semicon Tech 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)",
    "kia431a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "KIA431A",
    "manufacturer": "KIA Semicon Tech",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181660451094528",
    "parts": {
      "symbol": "kia431a.kicad_sym",
      "footprint": "kia431a.kicad_mod",
      "model_3d": "kia431a-hero.glb",
      "model_3d_plain": "kia431a-etched.glb",
      "model_3d_step": "kia431a-etched.step",
      "model_3d_step_plain": "kia431a.step",
      "lbr": "kia431a.lbr"
    },
    "distributor_links": {
      "lcsc": "C116375"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T18:10:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Ref",
        "type": "input",
        "description": "Reference input of the shunt regulator, set to the 2.5 V band-gap reference (VREF) that is compared against the external divider; reference input current range is -0.05 to +10 mA."
      },
      {
        "number": "2",
        "name": "Cathode",
        "type": "passive",
        "description": "Cathode of the shunt regulator; recommended cathode current is 1 to 100 mA and cathode voltage is 0 to 36 V, with voltages referenced to the anode."
      },
      {
        "number": "3",
        "name": "Anode",
        "type": "passive",
        "description": "Anode of the shunt regulator, which is the reference terminal for the cathode voltage ratings given in the datasheet."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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 MPN is written KIA431A, but the ordering table lists the SOT-23 part as KIA431-A (0.5% tolerance; Pin types are not stated in the datasheet. They were assigned from the KiCad convention for a shunt ; The datasheet gives no pin-specific electrical limit for the Anode pin beyond the note that cathode "
        ],
        "pages_sent": 4,
        "cost_usd": 0.0277,
        "at": "2026-10-18T18:08:53"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181660451094528",
        "pages": 4,
        "sha256": "d27ded33af62a5a3",
        "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": [
      {
        "file": "kia431a.step",
        "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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "kia431a-etched.step",
        "role": "eda",
        "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": "a409d00cfa3880853936969e4530fc44c34bc16ebd70c491f557c55e038fc7df",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "KIA Semicon Tech",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d27ded33af62a5a302925bfcdcf13375b96c5170040bda0698f78b2afa92b6db",
      "rows": [
        {
          "name": "Reference input voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 2.487,
          "typ": 2.5,
          "max": 2.513,
          "conditions": "IK=10mA, VKA=VREF (KIA431-A, note 1)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference drift",
          "symbol": "ΔVREF",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 17,
          "conditions": "0°C≤TA≤70°C, IK=10mA, VKA=VREF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage ratio, ref to cathode",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": -1.4,
          "max": -2.7,
          "conditions": "IK=10mA, VKA=2.5V to 10V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Voltage ratio, ref to cathode",
          "symbol": "ΔVREF/ΔVKA",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": -1,
          "max": -2,
          "conditions": "IK=10mA, VKA=10V to 36V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference input current",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 2.3,
          "conditions": "IK=10mA, VKA=VREF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference input current",
          "symbol": "IREF",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 2,
          "max": 4,
          "conditions": "0°C≤TA≤70°C, IK=10mA, VKA=VREF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum operating current",
          "symbol": "IMIN",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.4,
          "max": 1,
          "conditions": "VKA=VREF",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Off-state cathode current",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VKA=36V, VREF=0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dynamic impedance",
          "symbol": "ZKA",
          "kind": "electrical",
          "unit": "Ohm",
          "min": null,
          "typ": 0.2,
          "max": 0.5,
          "conditions": "VKA=VREF, IKA=1mA to 100mA, f≤1kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Cathode voltage",
          "symbol": "VKA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "Voltage values with respect to the anode terminal",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous cathode current",
          "symbol": "IK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reference input current range",
          "symbol": "IREF",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -0.05,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (SOT-23)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "SOT-23",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating free air temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Cathode current",
          "symbol": "IK",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 1,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Cathode voltage",
          "symbol": "VKA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "kia431a"
  ],
  "discovery_pitch": "KIA431A (KIA Semicon Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "kia431a.kicad_sym",
    "kia431a.kicad_mod",
    "kia431a.glb",
    "kia431a.step",
    "kia431a.lbr",
    "docs/hero.png",
    "docs/kia431a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "kia431a-hero.glb",
    "kia431a-hero.overlay.json",
    "kia431a-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}