SWNB4N65DA

{
  "slug": "swnb4n65da",
  "version": "0.1.0",
  "type": "component",
  "description": "Samwin MOSFETs, TO-251. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "triode-mos tube-transistor",
    "swnb4n65da",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "swnb4n65da.kicad_sym",
    "swnb4n65da.kicad_mod",
    "swnb4n65da.glb",
    "swnb4n65da.step",
    "swnb4n65da.lbr",
    "docs/hero.png",
    "docs/swnb4n65da-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "swnb4n65da-hero.glb",
    "swnb4n65da-hero.overlay.json",
    "swnb4n65da-etched.glb"
  ],
  "component": {
    "mpn": "SWNB4N65DA",
    "manufacturer": "Samwin",
    "package": "TO-251",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c0d7d324036eaa544bfe9b1b9e1872d2.pdf",
    "parts": {
      "symbol": "swnb4n65da.kicad_sym",
      "footprint": "swnb4n65da.kicad_mod",
      "model_3d": "swnb4n65da-hero.glb",
      "model_3d_plain": "swnb4n65da-etched.glb",
      "model_3d_step": "swnb4n65da-etched.step",
      "model_3d_step_plain": "swnb4n65da.step",
      "lbr": "swnb4n65da.lbr"
    },
    "distributor_links": {
      "lcsc": "C5151810"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T05:23:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Gate",
        "type": "input",
        "description": "Gate to source voltage is rated at ±30 V (VGS)."
      },
      {
        "number": "2",
        "name": "Drain",
        "type": "passive",
        "description": "Drain to source voltage is rated at 650 V (VDSS) with continuous drain current of 4 A at TC=25oC."
      },
      {
        "number": "3",
        "name": "Source",
        "type": "passive",
        "description": "Source is the MOSFET reference terminal, with integral reverse p-n junction diode rated at 4 A continuous source current."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The hint says TO-251, but the order codes map the SWNB suffix (NB) to TO-251NX-S4, so the pinout is "
        ],
        "pages_sent": 6,
        "cost_usd": 0.0071,
        "at": "2026-10-27T05:23:48"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c0d7d324036eaa544bfe9b1b9e1872d2.pdf",
        "pages": 6,
        "sha256": "a0dd0b775a80a069",
        "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": "swnb4n65da.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          6.575,
          2.31,
          16.26
        ],
        "zmin_mm": -7.335,
        "centre_offset_mm": 0.125,
        "footprint_binding": "identity",
        "sha256": "7bb694d087837f077086c278225d603d812ff6a7a8af1db64601db91de627c55",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "swnb4n65da-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          6.575,
          2.31,
          16.26
        ],
        "zmin_mm": -7.335,
        "centre_offset_mm": 0.125,
        "footprint_binding": "identity",
        "sha256": "84a0ee7e26135ba6ee7082fc6e6791c7e5a97da4e9ecc7d4aea29730f881554a",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}