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Ray Set visibility: public 21ad033 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "fdn308p",
  "title": "FDN308P",
  "brief": "UMW MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "FDN308P",
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    "package": "SOT-23",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755877325668274176",
    "parts": {
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    "distributor_links": {
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    "distributor_check": {
      "checked_at": "2026-10-17T17:09:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "quota"
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        "type": "input",
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      },
      {
        "number": "2",
        "name": "S",
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        "description": "SOURCE terminal of the P-channel MOSFET; drain-source voltage is rated VDSS = -20 V."
      },
      {
        "number": "3",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the P-channel MOSFET; continuous drain current is rated -1.5 A and pulsed drain current -10 A."
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 3,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOT-23",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
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    "characteristics": {
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      "rows": [
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          "max": null,
          "conditions": "ID=-250µA, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Zero Gate Voltage Drain Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "µA",
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          "max": -1,
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          "name": "Gate–Body Leakage, Forward",
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        {
          "name": "Gate–Body Leakage, Reverse",
          "symbol": "IGSSR",
          "kind": "electrical",
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        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(th)",
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          "min": -0.6,
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          "conditions": "VDS=VGS, ID=-250µA",
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        {
          "name": "Static Drain–Source On-Resistance (VGS=-4.5V)",
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        {
          "name": "On-State Drain Current",
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          "conditions": "VGS=-4.5V, VDS=-5V",
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        {
          "name": "Forward Transconductance",
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          "typ": 12,
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          "conditions": "VDS=-5V, ID=-1.5A",
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        },
        {
          "name": "Turn-On Delay Time",
          "symbol": "tD(on)",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 8,
          "max": 16,
          "conditions": "VDD=-10V, ID=-1A, VGS=-4.5V, RGEN=6Ω",
          "source_page": 2,
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        },
        {
          "name": "Turn-On Rise Time",
          "symbol": "tr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 10,
          "max": 20,
          "conditions": "VDD=-10V, ID=-1A, VGS=-4.5V, RGEN=6Ω",
          "source_page": 2,
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        },
        {
          "name": "Turn-Off Delay Time",
          "symbol": "tD(off)",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 12,
          "max": 22,
          "conditions": "VDD=-10V, ID=-1A, VGS=-4.5V, RGEN=6Ω",
          "source_page": 2,
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        {
          "name": "Turn-Off Fall Time",
          "symbol": "tf",
          "kind": "electrical",
          "unit": "ns",
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          "typ": 8,
          "max": 16,
          "conditions": "VDD=-10V, ID=-1A, VGS=-4.5V, RGEN=6Ω",
          "source_page": 2,
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        },
        {
          "name": "Total Gate Charge",
          "symbol": "Qg",
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          "unit": "nC",
          "min": null,
          "typ": 3.8,
          "max": 5.4,
          "conditions": "VDS=-10V, ID=-1.5A, VGS=-4.5V",
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          "name": "Maximum Continuous Drain–Source Diode Forward Current",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -0.42,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain–Source Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": -0.7,
          "max": -1.2,
          "conditions": "VGS=0V, IS=-0.42",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Voltage",
          "symbol": "VDSS",
          "kind": "absolute_maximum",
          "unit": "V",
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        {
          "name": "Gate-Source Voltage",
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        {
          "name": "Drain Current – Continuous",
          "symbol": "ID",
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          "max": -1.5,
          "conditions": "Note 1a",
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        {
          "name": "Drain Current – Pulsed",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
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          "max": -10,
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        {
          "name": "Maximum Power Dissipation",
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        {
          "name": "Maximum Power Dissipation",
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          "typ": null,
          "max": 0.46,
          "conditions": "Note 1b",
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        },
        {
          "name": "Storage Junction Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Note 1a: 0.02 in² pad of 2 oz copper",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient (minimum pad)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 270,
          "conditions": "Note 1b: minimum pad",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "Note 1",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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    "info"
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "FDN308P (UMW) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}