BUK9508-55B-VB

{
  "slug": "buk9508-55b-vb",
  "version": "0.1.0",
  "type": "component",
  "description": "VBsemi Elec MOSFETs, TO-220AB. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "triode-mos tube-transistor",
    "buk9508-55b-vb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "buk9508-55b-vb.kicad_sym",
    "buk9508-55b-vb.kicad_mod",
    "buk9508-55b-vb.glb",
    "buk9508-55b-vb.step",
    "buk9508-55b-vb.lbr",
    "docs/hero.png",
    "docs/buk9508-55b-vb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "buk9508-55b-vb-hero.glb",
    "buk9508-55b-vb-hero.overlay.json",
    "buk9508-55b-vb-etched.glb"
  ],
  "component": {
    "mpn": "BUK9508-55B-VB",
    "manufacturer": "VBsemi Elec",
    "package": "TO-220AB",
    "pin_count": 3,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ef99ec525410dd6f6365b22b434df012.pdf",
    "parts": {
      "symbol": "buk9508-55b-vb.kicad_sym",
      "footprint": "buk9508-55b-vb.kicad_mod",
      "model_3d": "buk9508-55b-vb-hero.glb",
      "model_3d_plain": "buk9508-55b-vb-etched.glb",
      "model_3d_step": "buk9508-55b-vb-etched.step",
      "model_3d_step_plain": "buk9508-55b-vb.step",
      "lbr": "buk9508-55b-vb.lbr"
    },
    "distributor_links": {
      "lcsc": "C19711197"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T13:40:23Z",
      "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 terminal of the N-channel MOSFET, with gate-source voltage limited to ±20 V."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain terminal (also the tab) of the N-channel MOSFET, rated 60 V VDS and 120 A continuous at TC = 25 °C."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source terminal of the N-channel MOSFET, with continuous source (diode) current of 70 A, package limited."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin diagram shows 'G D S' for the TO-220AB and the drawing labels leads 1 2 3, but the"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0267,
        "at": "2026-11-12T13:40:16"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ef99ec525410dd6f6365b22b434df012.pdf",
        "pages": 7,
        "sha256": "ef48582ba35c5b69",
        "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": "buk9508-55b-vb.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "buk9508-55b-vb-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": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "d1f99c4b6c8d844fd33b5732c1c92f3571bae50034790a54674ea94223c0c64c",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "TO-220AB",
      "source_page": 6,
      "D": {
        "nom_mm": 15.17,
        "range_mm": [
          14.85,
          15.49
        ]
      },
      "E": {
        "nom_mm": 10.275,
        "range_mm": [
          10.04,
          10.51
        ]
      },
      "e": {
        "nom_mm": 2.54,
        "range_mm": [
          2.41,
          2.67
        ]
      },
      "A": {
        "nom_mm": 4.45,
        "range_mm": [
          4.25,
          4.65
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "buk9508-55b-vb.step",
        "verdict": "PASS",
        "reasons": [
          "thickness within the datasheet's package drawing (vertical TO package)",
          "standing height not judged: the drawing read gives no overall height (H, H1 or L)"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}