WSF4022

{
  "schema_version": 1,
  "type": "component",
  "slug": "wsf4022",
  "title": "WSF4022",
  "brief": "Winsok Semicon MOSFETs, TO-252-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "wsf4022",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "WSF4022",
    "manufacturer": "Winsok Semicon",
    "package": "TO-252-4",
    "pin_count": 5,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588916889200300032",
    "parts": {
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      "footprint": "wsf4022.kicad_mod",
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      "model_3d_step_plain": "wsf4022.step",
      "lbr": "wsf4022.lbr"
    },
    "distributor_links": {
      "lcsc": "C719274"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:33:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "passive",
        "description": "Source of MOSFET 1 (N-channel), the first lead from the left in the pin configuration drawing."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate of MOSFET 1; gate-source voltage limited to ±20V with a typical threshold of 1.6V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source of MOSFET 2 (N-channel), the third lead from the left in the pin configuration drawing."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate of MOSFET 2; gate-source voltage limited to ±20V with a typical threshold of 1.6V."
      },
      {
        "number": "5",
        "name": "D1/D2",
        "type": "passive",
        "description": "Exposed tab common to the drains of both MOSFETs (D1 and D2 tied together), rated 40V drain-source."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet never prints pin numbers. Page 1 shows the order of the four leads left to right as S1; The drain tab has no pin number in the datasheet. I used '5' as a placeholder. The pin type is also ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 8,
        "cost_usd": 0.2612,
        "at": "2026-10-18T15:31:46"
      },
      "datasheet": {
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        "pages": 8,
        "sha256": "6c00d8c5aa908f65",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "units": "mm",
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        "extents_mm": [
          9.9,
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          2.32
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d85360b3e2359b76856869bda844e512876c2223b4cf36e7a7e1581f227bec7e",
        "checked": "2026-10-18",
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  "metadata": {
    "specs": {
      "Manufacturer": "Winsok Semicon",
      "Package": "TO-252-4",
      "Category": "Transistors/Thyristors",
      "Pins": "5"
    },
    "characteristics": {
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          "conditions": "",
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          "typ": null,
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        {
          "name": "Drain Current (Continuous)",
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        {
          "name": "Drain Current (Continuous)",
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        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
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          "conditions": "Note *: limited by package",
          "source_page": 1,
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        },
        {
          "name": "Single Pulse Avalanche Energy",
          "symbol": "EAS",
          "kind": "absolute_maximum",
          "unit": "mJ",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "TC=25°C, L=0.5mH",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature / Storage Temperature",
          "symbol": "TJ/TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 175,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 3.8,
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        },
        {
          "name": "Drain-Source Breakdown Voltage",
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          "kind": "electrical",
          "unit": "V",
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        {
          "name": "Zero Gate Voltage Drain Current",
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          "kind": "electrical",
          "unit": "µA",
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          "typ": null,
          "max": 1,
          "conditions": "VDS = 32V, VGS = 0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Zero Gate Voltage Drain Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "µA",
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          "typ": null,
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          "conditions": "VDS = 32V, VGS = 0V, TJ=85°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate 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",
          "unit": "V",
          "min": 1.1,
          "typ": 1.6,
          "max": 2.5,
          "conditions": "VGS = VDS, IDS = 250µA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source On-state Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 16,
          "max": 21,
          "conditions": "VGS = 10V, ID = 10A",
          "source_page": 2,
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        {
          "name": "Drain-Source On-state Resistance",
          "symbol": "RDS(on)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 18,
          "max": 25,
          "conditions": "VGS = 4.5V, ID = 5A",
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          "source": "datasheet"
        },
        {
          "name": "Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.75,
          "max": 1.1,
          "conditions": "ISD=1A, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Reverse Recovery Time (datasheet label: Input Capacitance)",
          "symbol": "trr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 13,
          "max": null,
          "conditions": "IDS=10A, dlSD/dt=100A/µs",
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        },
        {
          "name": "Reverse Recovery Charge (datasheet label: Output Capacitance)",
          "symbol": "Qrr",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 8.7,
          "max": null,
          "conditions": "IDS=10A, dlSD/dt=100A/µs",
          "source_page": 2,
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        },
        {
          "name": "Total Gate Charge",
          "symbol": "Qg",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 7.5,
          "max": null,
          "conditions": "VDS=20V,VGS=4.5V, ID=10A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Charge",
          "symbol": "Qgs",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 3.24,
          "max": null,
          "conditions": "VDS=20V,VGS=4.5V, ID=10A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Drain Charge",
          "symbol": "Qgd",
          "kind": "electrical",
          "unit": "nC",
          "min": null,
          "typ": 2.75,
          "max": null,
          "conditions": "VDS=20V,VGS=4.5V, ID=10A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "Ciss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 815,
          "max": null,
          "conditions": "VGS=0V, VDS=20V, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "Coss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 95,
          "max": null,
          "conditions": "VGS=0V, VDS=20V, f=1MHz",
          "source_page": 2,
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        },
        {
          "name": "Reverse Transfer Capacitance",
          "symbol": "Crss",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VGS=0V, VDS=20V, f=1MHz",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-on Delay Time",
          "symbol": "td(on)",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 7.8,
          "max": null,
          "conditions": "VDD=20V, VGEN=10V, IDS=1A,RG=6Ω,RL=20Ω.",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-on Rise Time",
          "symbol": "tr",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 6.9,
          "max": null,
          "conditions": "VDD=20V, VGEN=10V, IDS=1A,RG=6Ω,RL=20Ω.",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-off Delay Time",
          "symbol": "td(off)",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": 22.4,
          "max": null,
          "conditions": "VDD=20V, VGEN=10V, IDS=1A,RG=6Ω,RL=20Ω.",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Turn-off Fall Time",
          "symbol": "tf",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
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          "max": null,
          "conditions": "VDD=20V, VGEN=10V, IDS=1A,RG=6Ω,RL=20Ω.",
          "source_page": 2,
          "source": "datasheet"
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      ]
    }
  },
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  "discovery_pitch": "WSF4022 (Winsok Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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