main
Ray Set visibility: public 9262cf2 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "kia431am-rtk",
  "title": "KIA431AM-RTK",
  "brief": "KEC Semicon 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",
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    "package": "SOT-23",
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    "subcategory": "Voltage Reference",
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      "lbr": "kia431am-rtk.lbr"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "error"
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      "mouser": {
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        "status": "no match"
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    "pins": [
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        "name": "Cathode",
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        "description": "Cathode current is rated for a continuous range of -100 mA to 150 mA, and the cathode-to-anode voltage must not exceed 37 V (absolute maximum)."
      },
      {
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        "type": "input",
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      },
      {
        "number": "3",
        "name": "Anode",
        "type": "passive",
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      }
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        "primary_model": "claude-haiku-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "at": "2026-10-19T09:23:46"
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        "pages": 7,
        "sha256": "8eafef7a8a3f5a44",
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      "pins": {
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        "described": 3,
        "cites_pages": true,
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "footprint_binding": "identity",
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        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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  "metadata": {
    "specs": {
      "Manufacturer": "KEC Semicon",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
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    "characteristics": {
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          "max": 40,
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          "kind": "voltage_coefficient",
          "unit": "mV/V",
          "min": null,
          "typ": -1.4,
          "max": -2.7,
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          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Ratio of change in reference input voltage to change in cathode-anode voltage (VKA = 36V to 10V)",
          "symbol": "Vref/VKA",
          "kind": "voltage_coefficient",
          "unit": "mV/V",
          "min": null,
          "typ": -1,
          "max": -2,
          "conditions": "IK=10mA, VKA=36V to 10V",
          "source_page": 3,
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        {
          "name": "Reference input current at Ta=25°C",
          "symbol": "Iref",
          "kind": "electrical",
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          "min": null,
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          "conditions": "IK=10mA, R1=10k, R2=",
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        {
          "name": "Reference input current over full operating temperature (Ta=Topr)",
          "symbol": "Iref",
          "kind": "electrical",
          "unit": "μA",
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          "max": 6.5,
          "conditions": "Ta=Topr, IK=10mA, R1=10k, R2=",
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        {
          "name": "Minimum cathode current for regulation",
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          "max": 1,
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        },
        {
          "name": "Off-state cathode current",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
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          "max": 1000,
          "conditions": "VKA=36V, Vref=0V",
          "source_page": 3,
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        {
          "name": "Cathode to anode voltage",
          "symbol": "VKA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 37,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Cathode current range, continuous",
          "symbol": "IK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
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        {
          "name": "Reference input current range, continuous",
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          "unit": "mA",
          "min": -0.05,
          "typ": null,
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          "source_page": 3,
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        {
          "name": "Operating junction temperature",
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          "min": null,
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          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Operating temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
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          "unit": "℃",
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          "typ": null,
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          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Total power dissipation (KIA431M, SOT-23)",
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          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 350,
          "conditions": "Package mounted on 99.5% Alumina 10×8×0.6mm (Note 1)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 36,
          "conditions": "Type No. operating voltage range",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Dynamic impedance",
          "symbol": "Zka",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.22,
          "max": null,
          "conditions": "VKA=Vref, IK=1.0 to 100mA, f 1.0kHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal resistance, junction to ambient (KIA431M, SOT-23)",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 357,
          "max": null,
          "conditions": "Package mounted on 99.5% Alumina 10×8×0.6mm (Note 1)",
          "source_page": 3,
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  "discovery_pitch": "KIA431AM-RTK (KEC Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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