CJ431B

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  "title": "CJ431B",
  "brief": "Changjing Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "CJ431B",
    "manufacturer": "Changjing",
    "package": "SOT-23",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Reference",
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    "distributor_links": {
      "lcsc": "C3031881"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    "pins": [
      {
        "number": "1",
        "name": "REFERENCE",
        "type": "input",
        "description": "Reference input of the adjustable shunt regulator, where Vref is approximately 2.5V and the reference input current is rated from 0.05 mA to 10 mA."
      },
      {
        "number": "2",
        "name": "CATHODE",
        "type": "passive",
        "description": "Cathode terminal of the shunt regulator, rated for a cathode voltage of 40 V maximum and a continuous cathode current of -100 mA to +150 mA."
      },
      {
        "number": "3",
        "name": "ANODE",
        "type": "passive",
        "description": "Anode terminal of the shunt regulator; the datasheet gives no pin-specific electrical limit for this terminal beyond the device ratings."
      }
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 3,
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        "centre_offset_mm": 0,
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  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-23",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
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          "max": 2.508,
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          "name": "Deviation of reference input voltage over temperature (note)",
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          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 8,
          "max": 17,
          "conditions": "VKA=VREF, IKA=10mA; note TMIN=-25℃, TMAX=+125℃",
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        {
          "name": "Ratio of change in reference input voltage to change in cathode voltage",
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          "name": "Ratio of change in reference input voltage to change in cathode voltage",
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          "unit": "mV/V",
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        {
          "name": "Reference input current",
          "symbol": "Iref",
          "kind": "electrical",
          "unit": "μA",
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          "name": "Deviation of reference input current over full temperature range",
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          "unit": "μA",
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        {
          "name": "Minimum cathode current for regulation",
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          "unit": "mA",
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        {
          "name": "Off-state cathode current",
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          "max": 0.8,
          "conditions": "VKA=36V, VREF=0",
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          "source": "datasheet"
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          "name": "Dynamic impedance",
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          "unit": "Ω",
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          "max": 0.37,
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          "source_page": 2,
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        },
        {
          "name": "Temperature coefficient (features)",
          "symbol": "",
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          "unit": "ppm/°C",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "",
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          "name": "Cathode Voltage",
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          "unit": "V",
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          "max": 40,
          "conditions": "",
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        {
          "name": "ESD (HBM)",
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          "unit": "kV",
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        {
          "name": "Thermal Resistance from Junction to Ambient",
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    "name": "Ray",
    "email": "[email protected]"
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