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Ray Set visibility: public a46e8c6 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "wsf7n40",
  "title": "WSF7N40",
  "brief": "Winsok Semicon MOSFETs, TO-252. 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",
    "wsf7n40",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "WSF7N40",
    "manufacturer": "Winsok Semicon",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/56de25bbaa389f4eaa848704a5321e37.pdf",
    "parts": {
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      "lbr": "wsf7n40.lbr"
    },
    "distributor_links": {
      "lcsc": "C3825094"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T20:15:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate; gate-source voltage is limited to ±30 V absolute maximum, with a typical threshold of 3.5 V (2.0 V min, 4.0 V max) at ID=250uA."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain, also connected to the exposed tab; drain-source voltage is rated 400 V with 7 A continuous drain current at TC=25℃ and 28 A pulsed."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source; continuous body-diode source current is 7 A max and pulsed source current is 28 A max."
      }
    ],
    "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 TO-252 pin configuration drawing on page 1 labels the leads G, S and the D tab but prints no pin",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 5,
        "cost_usd": 0.1341,
        "at": "2026-11-04T20:15:39"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/56de25bbaa389f4eaa848704a5321e37.pdf",
        "pages": 5,
        "sha256": "1657071358a26743",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "wsf7n40.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wsf7n40-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bcd3681e1fecfa3f2ceab29ccf2890df0bd3afa460099c91e9a728d9ee47947b",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Winsok Semicon",
      "Package": "TO-252",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1657071358a2674343a5c403caae38159a810466ce5b650d9773a67e2e367dc7",
      "rows": [
        {
          "name": "Drain-Source Voltage",
          "symbol": "VDS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID@TC=25℃",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "VGS @ 10V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID@TC=100℃",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VGS @ 10V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Single Pulse Avalanche Energy",
          "symbol": "EAS",
          "kind": "absolute_maximum",
          "unit": "mJ",
          "min": null,
          "typ": null,
          "max": 176,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Avalanche Current",
          "symbol": "IAR",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Total Power Dissipation",
          "symbol": "PD@TC=25℃",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 33,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "Surface mounted on 1 inch² FR-4 board, 2OZ copper, t<10sec",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-Case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 3.8,
          "conditions": "Surface mounted on 1 inch² FR-4 board, 2OZ copper, t<10sec",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Breakdown Voltage",
          "symbol": "BVDSS",
          "kind": "electrical",
          "unit": "V",
          "min": 400,
          "typ": null,
          "max": null,
          "conditions": "VGS=0V, ID=250uA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Static Drain-Source On-Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.8,
          "max": 1.1,
          "conditions": "VGS=10V, ID=4A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate Threshold Voltage",
          "symbol": "VGS(th)",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 3.5,
          "max": 4,
          "conditions": "VGS=VDS, ID=250uA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Leakage Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VDS=400V, VGS=0V, TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain-Source Leakage Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VDS=400V, VGS=0V, TJ=125℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate-Source Leakage Current",
          "symbol": "IGSS",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VGS=±30V, VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Single Pulse Avalanche Energy",
          "symbol": "EAS",
          "kind": "electrical",
          "unit": "mJ",
          "min": 90,
          "typ": null,
          "max": null,
          "conditions": "VDD=50V, L=0.1mH, IAS=4.5A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous Source Current",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "VG=VD=0V, Force Current",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Source Current",
          "symbol": "ISM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 28,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Diode Forward Voltage",
          "symbol": "VSD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.4,
          "conditions": "VGS=0V, IS=7A, TJ=25℃",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "wsf7n40"
  ],
  "discovery_pitch": "WSF7N40 (Winsok Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "wsf7n40.step",
    "wsf7n40.lbr",
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    "docs/wsf7n40-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "wsf7n40-hero.overlay.json",
    "wsf7n40-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}