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Ray Set visibility: public 199b39d 7d ago
{
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  "type": "component",
  "slug": "lm431sccm3x",
  "title": "LM431SCCM3X",
  "brief": "onsemi Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "LM431SCCM3X",
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    "subcategory": "Voltage Reference",
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      "source": "Component Ocean /api/assign-pns",
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      },
      {
        "number": "3",
        "name": "Anode",
        "type": "passive",
        "description": "Anode is the shunt-regulator return terminal; the datasheet gives no separate voltage or current rating for this pin beyond the cathode-to-anode conditions in the electrical characteristics."
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        "guard_notes": [
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        "at": "2026-10-18T10:34:29"
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      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
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          "min": 2.482,
          "typ": 2.495,
          "max": 2.508,
          "conditions": "VKA = VREF, IKA = 10 mA (LM431SC column)",
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          "name": "Ratio of change in reference voltage to cathode voltage (VKA = 36 V − 10 V)",
          "symbol": "VREF / VKA",
          "kind": "voltage_coefficient",
          "unit": "mV/V",
          "min": null,
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          "conditions": "IKA = 10 mA, VKA = 36 V − 10 V",
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        },
        {
          "name": "Deviation of reference input current over full temperature range, SOT-23",
          "symbol": "IREF / T",
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          "source_page": 3,
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        {
          "name": "Minimum cathode current for regulation",
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          "typ": 0.45,
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        {
          "name": "Off-stage cathode current",
          "symbol": "IKA(OFF)",
          "kind": "electrical",
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          "typ": 0.05,
          "max": 1,
          "conditions": "VKA = 36 V, VREF = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dynamic impedance",
          "symbol": "ZKA",
          "kind": "electrical",
          "unit": "Ω",
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          "conditions": "VKA = VREF, IKA = 1 to 100 mA, f ≥ 1.0 kHz",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Cathode voltage",
          "symbol": "VKA",
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          "unit": "V",
          "min": null,
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          "conditions": "Absolute maximum rating",
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          "conditions": "",
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        {
          "name": "Thermal resistance junction-air, SOT-23 (M3/M32 suffix)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Junction-air, notes 2 and 3 (no ambient airflow)",
          "source_page": 2,
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          "name": "Power dissipation, SOT-23 (M3/M32 suffix)",
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          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 310,
          "conditions": "Notes 4 and 5; ratings apply at TA = 25°C",
          "source_page": 2,
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        {
          "name": "Junction temperature",
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          "symbol": "TOPR",
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          "unit": "°C",
          "min": -25,
          "typ": null,
          "max": 85,
          "conditions": "All products except LM431SAIMFX, SBIMFX, SCIMFX",
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        {
          "name": "Cathode voltage (recommended)",
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      ]
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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