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Ray Set visibility: public 5cc89a7 6h ago
{
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  "type": "component",
  "slug": "cj3406",
  "title": "CJ3406",
  "brief": "Changjing MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
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    "distributor_links": {
      "lcsc": "C81781"
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    "distributor_check": {
      "checked_at": "2026-10-18T14:29:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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      "mouser": {
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      },
      {
        "number": "2",
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        "type": "passive",
        "description": "Source of the N-channel MOSFET; the device is rated for a drain-source voltage VDS of 30 V and a continuous drain current ID of 3.6 A."
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      {
        "number": "3",
        "name": "DRAIN",
        "type": "passive",
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        "at": "2026-10-18T14:27:50"
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        "checked": "2026-10-18",
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  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
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          "max": 30,
          "conditions": "",
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          "name": "Gate-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
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        },
        {
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          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
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          "max": 15,
          "conditions": "Repetitive rating: pulse width limited by maximum junction temperature (note 1)",
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          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance from Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 357,
          "conditions": "",
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        },
        {
          "name": "Drain-source breakdown voltage",
          "symbol": "V(BR)DSS",
          "kind": "electrical",
          "unit": "V",
          "min": 30,
          "typ": null,
          "max": null,
          "conditions": "VGS = 0V, ID = 250µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zero gate voltage drain current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS = 24V, VGS = 0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-body leakage current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VGS = ±20V, VDS = 0V",
          "source_page": 2,
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        },
        {
          "name": "Gate threshold voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
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          "min": 1,
          "typ": null,
          "max": 3,
          "conditions": "VDS = VGS, ID = 250µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-source on-resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 65,
          "conditions": "VGS = 10V, ID = 3.6A",
          "source_page": 2,
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          "unit": "mΩ",
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          "typ": null,
          "max": 105,
          "conditions": "VGS = 4.5V, ID = 2.8A",
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        {
          "name": "Forward transconductance",
          "symbol": "gFS",
          "kind": "electrical",
          "unit": "S",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "VDS = 5V, ID = 3.6A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Diode forward voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "IS = 1A",
          "source_page": 2,
          "source": "datasheet"
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      ]
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  "discovery_pitch": "CJ3406 (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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