main
Ray Publish 0.1.0 b6148f2 10d ago
{
  "slug": "stu312d-vb",
  "version": "0.1.0",
  "type": "component",
  "description": "VBsemi Elec MOSFETs, TO-252-4L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "triode-mos tube-transistor",
    "stu312d-vb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stu312d-vb.kicad_sym",
    "stu312d-vb.kicad_mod",
    "stu312d-vb.glb",
    "stu312d-vb.step",
    "stu312d-vb.lbr",
    "docs/hero.png",
    "docs/stu312d-vb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stu312d-vb-hero.glb",
    "stu312d-vb-hero.overlay.json",
    "stu312d-vb-etched.glb"
  ],
  "component": {
    "mpn": "STU312D-VB",
    "manufacturer": "VBsemi Elec",
    "package": "TO-252-4L",
    "pin_count": 5,
    "category": "Triode/MOS Tube/Transistor",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4b1d7e275182f3020572fbe47e032505.pdf",
    "parts": {
      "symbol": "stu312d-vb.kicad_sym",
      "footprint": "stu312d-vb.kicad_mod",
      "model_3d": "stu312d-vb-hero.glb",
      "model_3d_plain": "stu312d-vb-etched.glb",
      "model_3d_step": "stu312d-vb-etched.step",
      "model_3d_step_plain": "stu312d-vb.step",
      "lbr": "stu312d-vb.lbr"
    },
    "distributor_links": {
      "lcsc": "C2680816"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:58:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "passive",
        "description": "Source terminal of one channel of the 40 V N- and P-channel pair; the datasheet gives no separate per-pin limit, only the device-level ratings (VDS 40 V, VGS ±20 V)."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate terminal of the same channel as S1; the gate-source voltage is rated ±20 V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source terminal of the other channel of the N- and P-channel pair; the datasheet gives no separate per-pin limit, only the device-level ratings."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate terminal of the same channel as S2; the gate-source voltage is rated ±20 V."
      },
      {
        "number": "5",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 datasheet's TO-252-4L top view lists the leads as 'S1 G1 S2 G2' without printed pin numbers. Num; The drain is connected to the tab (labelled D1/D2) and the datasheet does not give a pin number for ; The datasheet does not explicitly state which gate and source pins belong to the N-channel versus th",
          "exposed pad 5 added from the footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0538,
        "at": "2026-10-28T16:58:48"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4b1d7e275182f3020572fbe47e032505.pdf",
        "pages": 13,
        "sha256": "3dc9fb6aa67b7836",
        "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"
    },
    "models_3d": [
      {
        "file": "stu312d-vb.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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d85360b3e2359b76856869bda844e512876c2223b4cf36e7a7e1581f227bec7e",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stu312d-vb-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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a2ef9aee1c56254b776234b3fc96eb0419b134d1b8a1026b98ee3a756919fee7",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}