CJ3134KW

{
  "schema_version": 1,
  "type": "component",
  "slug": "cj3134kw",
  "title": "CJ3134KW",
  "brief": "Changjing MOSFETs, SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "transistors-thyristors",
    "cj3134kw",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "CJ3134KW",
    "manufacturer": "Changjing",
    "package": "SOT-323",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586202878763536384",
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      "footprint": "cj3134kw.kicad_mod",
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      "lbr": "cj3134kw.lbr"
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    "distributor_links": {
      "lcsc": "C110101"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T08:50:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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      {
        "number": "1",
        "name": "GATE",
        "type": "input",
        "description": "MOSFET gate terminal; the datasheet gives a typical gate-source voltage VGS of ±12 V."
      },
      {
        "number": "2",
        "name": "SOURCE",
        "type": "passive",
        "description": "MOSFET source terminal; the datasheet states no pin-specific limit, only device ratings of 20 V VDSS and 0.75 A continuous drain current."
      },
      {
        "number": "3",
        "name": "DRAIN",
        "type": "passive",
        "description": "MOSFET drain terminal; the device is rated 20 V drain-source voltage (VDSS), 0.75 A continuous drain current and 3 A pulsed drain current."
      }
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists only one package, SOT-323, and its pin assignment (1 GATE, 2 SOURCE, 3 DRAIN) is; The datasheet gives no pin-specific electrical limits for SOURCE. The SOURCE description therefore c"
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        "cost_usd": 0.0281,
        "at": "2026-10-09T08:49:00"
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        "pages": 5,
        "sha256": "755185fffc4b5f28",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cj3134kw-etched.step",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-323",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "755185fffc4b5f28",
      "rows": [
        {
          "name": "Drain-Source voltage",
          "symbol": "VDSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Typical Gate-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain Current-Continuous",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 0.75,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain Current-Pulsed",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "No heat sink, Ta=25℃ (note 2)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature (as printed)",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature (as printed)",
          "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": 625,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Breakdown Voltage",
          "symbol": "V(BR)DSS",
          "kind": "electrical",
          "unit": "V",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "VGS = 0V, ID =250µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Threshold Voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.35,
          "typ": null,
          "max": 1.1,
          "conditions": "VDS =VGS, ID =250µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Body Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "µA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VDS =0V, VGS =±10V",
          "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 =20V, VGS =0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source On-State Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 380,
          "conditions": "VGS =4.5V, ID =650mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source On-State Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 450,
          "conditions": "VGS =2.5V, ID =550mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source On-State Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "VGS =1.8V, ID =450mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.2,
          "conditions": "IS=0.15A, VGS = 0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward Transconductance",
          "symbol": "gFS",
          "kind": "electrical",
          "unit": "S",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VDS =10V, ID =800mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "Ciss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 120,
          "max": null,
          "conditions": "VDS =16V,VGS =0V,f =1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Coss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "VDS =16V,VGS =0V,f =1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Transfer Capacitance",
          "symbol": "Crss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VDS =16V,VGS =0V,f =1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-On Delay Time",
          "symbol": "td(on)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 6.7,
          "max": null,
          "conditions": "VDD=10V,ID=500mA, VGS=4.5V,RG=10Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rise Time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 4.8,
          "max": null,
          "conditions": "VDD=10V,ID=500mA, VGS=4.5V,RG=10Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-Off Delay Time",
          "symbol": "td(off)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 17.3,
          "max": null,
          "conditions": "VDD=10V,ID=500mA, VGS=4.5V,RG=10Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Fall Time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 7.4,
          "max": null,
          "conditions": "VDD=10V,ID=500mA, VGS=4.5V,RG=10Ω",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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    "info"
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  "discovery_triggers": [
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  "discovery_pitch": "CJ3134KW (Changjing) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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