main
Ray Set visibility: public 7c1e49f 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lws1h45a4",
  "title": "LWS1H45A4",
  "brief": "Lewa Micro 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",
    "triode-mos tube-transistor",
    "lws1h45a4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LWS1H45A4",
    "manufacturer": "Lewa Micro",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/cbb679d6f6b7b24d14b4e98d67f178cc.pdf",
    "parts": {
      "symbol": "lws1h45a4.kicad_sym",
      "footprint": "lws1h45a4.kicad_mod",
      "model_3d": "lws1h45a4-hero.glb",
      "model_3d_plain": "lws1h45a4-etched.glb",
      "model_3d_step": "lws1h45a4-etched.step",
      "model_3d_step_plain": "lws1h45a4.step",
      "lbr": "lws1h45a4.lbr"
    },
    "distributor_links": {
      "lcsc": "C20630421"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T21:08:14Z",
      "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; drive limited to VGS ±20 V, with threshold VGS(th) of -2.0 V min, -1.5 V typ and -2.5 V max at ID=-250 µA."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain, also the metal tab; drain-to-source voltage -100 V max, continuous current -32 A at TC=25 °C and pulsed current -128 A."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source; the body diode carries up to -32 A continuous with a forward voltage of -1.2 V max at IS=-20 A."
      }
    ],
    "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 page 1 picture labels the leads G, D and S, but it prints no pin numbers. Numbers 1, 2; The drain tab is not labelled in the text or the picture. It is normally connected to drain (pin 2),; Pin types for D and S are set to passive because the datasheet gives no electrical pin type. The Inn",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 10,
        "cost_usd": 0.2494,
        "at": "2026-11-04T21:08:07"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/cbb679d6f6b7b24d14b4e98d67f178cc.pdf",
        "pages": 10,
        "sha256": "417a12d0531d7d07",
        "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": "lws1h45a4.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": "lws1h45a4-etched.step",
        "role": "eda",
        "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": "9e5ff99fa269801476edc3a3cde709d076fdf449174a6df0018b86530df545a1",
        "checked": "2026-11-04",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "TO-252",
      "source_page": 8,
      "D": {
        "nom_mm": 6.1,
        "range_mm": [
          6,
          6.2
        ]
      },
      "E1": {
        "nom_mm": 6.55,
        "range_mm": [
          6.4,
          6.7
        ]
      },
      "E": {
        "nom_mm": 10.025,
        "range_mm": [
          9.8,
          10.35
        ]
      },
      "A": {
        "nom_mm": 2.3,
        "range_mm": [
          2.2,
          2.4
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "lws1h45a4.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Lewa Micro",
      "Package": "TO-252",
      "Category": "Triode/MOS Tube/Transistor",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "417a12d0531d7d07de78363c7dc3f16df5860d188f47a0ca3d0d8cbc09a8bc7a",
      "rows": [
        {
          "name": "Drain-to-Source Voltage",
          "symbol": "VDSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Gate-to-Source Voltage",
          "symbol": "VGS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -32,
          "conditions": "TC=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Continuous Drain Current",
          "symbol": "ID",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -20,
          "conditions": "TC=100℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Pulsed Drain Current",
          "symbol": "IDM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -128,
          "conditions": "Repetitive rating; pulse width limited by maximum junction temperature",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Single pulse avalanche energy",
          "symbol": "EAS",
          "kind": "absolute_maximum",
          "unit": "mJ",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "VDD=-50V, L=0.5mH, RG=25Ω, Starting TJ=25℃",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 89,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction and Storage Temperature Range",
          "symbol": "TJ, TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum Temperature for Soldering",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 1.4,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Drain-to-Source On-Resistance",
          "symbol": "RDS(ON)1",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 45,
          "max": 60,
          "conditions": "VGS=-10V, ID=-20A",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Drain to Source Leakage Current",
          "symbol": "IDSS",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VDS=-100V, VGS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate to Source Forward Leakage",
          "symbol": "IGSS(F)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "VGS=-20V, VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Gate to Source Reverse Leakage",
          "symbol": "IGSS(R)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VGS=+20V, VDS=0V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Diode Forward Current",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": -32,
          "conditions": "TC=25 °C",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lws1h45a4"
  ],
  "discovery_pitch": "LWS1H45A4 (Lewa Micro) 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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    "README.md",
    "lws1h45a4.kicad_sym",
    "lws1h45a4.kicad_mod",
    "lws1h45a4.glb",
    "lws1h45a4.step",
    "lws1h45a4.lbr",
    "docs/hero.png",
    "docs/lws1h45a4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lws1h45a4-hero.glb",
    "lws1h45a4-hero.overlay.json",
    "lws1h45a4-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}