CJA9451

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  "title": "CJA9451",
  "brief": "Changjing MOSFETs, SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "Changjing",
    "package": "SOT-89-3L",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
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        "status": "deferred",
        "error": "shared DigiKey quota guard: 514 calls left today"
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        "number": "1",
        "name": "GATE",
        "type": "input",
        "description": "Gate terminal; the datasheet rates the continuous gate-source voltage at ±12 V and the gate-threshold voltage at −0.50 V to −1.50 V (VDS = VGS, ID = −0.25 mA)."
      },
      {
        "number": "2",
        "name": "DRAIN",
        "type": "passive",
        "description": "Drain terminal; rated for a drain-source voltage VDS of −20 V and a continuous drain current ID of −2.3 A."
      },
      {
        "number": "3",
        "name": "SOURCE",
        "type": "passive",
        "description": "Source terminal, the reference for the rated gate-source voltage of ±12 V; the datasheet gives no separate pin-specific limit for it."
      }
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        "at": "2026-10-09T23:46:19"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
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        "refuses_to_fabricate": true
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        "extents_mm": [
          4,
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
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        "checked": "2026-10-09",
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  "metadata": {
    "specs": {
      "Manufacturer": "Changjing",
      "Package": "SOT-89-3L",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4f74d6428ac43e17",
      "rows": [
        {
          "name": "Drain-Source Voltage",
          "symbol": "VDS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Gate-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -2.3,
          "conditions": "",
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        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
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        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Thermal Resistance from Junction to Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
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        },
        {
          "name": "Drain-source breakdown voltage",
          "symbol": "V(BR)DSS",
          "kind": "electrical",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": null,
          "conditions": "VGS = 0V, ID =10µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-body leakage",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VDS =0V, VGS =±12V",
          "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": "Gate-threshold voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": -1.5,
          "conditions": "VDS =VGS, ID =-0.25mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static drain-source on-resistance (note 1)",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.135,
          "conditions": "VGS =-4.5V, ID =-2.3A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static drain-source on-resistance (note 1)",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 0.24,
          "conditions": "VGS =-2.5V, ID =-1.0A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Forward transconductance (note 1)",
          "symbol": "gfs",
          "kind": "electrical",
          "unit": "S",
          "min": null,
          "typ": 2.3,
          "max": null,
          "conditions": "VDS =-5V, ID =-2.3A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "Ciss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 430,
          "max": null,
          "conditions": "VDS =-20V,VGS =0V, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output capacitance",
          "symbol": "Coss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VDS =-20V,VGS =0V, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse transfer capacitance",
          "symbol": "Crss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "VDS =-20V,VGS =0V, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-on delay time (note 1,2)",
          "symbol": "td(on)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": null,
          "conditions": "VGS=-5V, VDS=-10V, ID =-1A,RG=3.3Ω, RD=10Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Rise time (note 2)",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "VGS=-5V, VDS=-10V, ID =-1A,RG=3.3Ω, RD=10Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-off delay time (note 2)",
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          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "VGS=-5V, VDS=-10V, ID =-1A,RG=3.3Ω, RD=10Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Fall time (note 2)",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VGS=-5V, VDS=-10V, ID =-1A,RG=3.3Ω, RD=10Ω",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Body diode forward voltage (note 1)",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1.6,
          "conditions": "IS=-1A, VGS = 0V",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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