STU309DH-VB

{
  "slug": "stu309dh-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": [
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    "transistors-thyristors",
    "stu309dh-vb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "stu309dh-vb.kicad_mod",
    "stu309dh-vb.glb",
    "stu309dh-vb.step",
    "stu309dh-vb.lbr",
    "docs/hero.png",
    "docs/stu309dh-vb-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stu309dh-vb-hero.glb",
    "stu309dh-vb-hero.overlay.json",
    "stu309dh-vb-etched.glb"
  ],
  "component": {
    "mpn": "STU309DH-VB",
    "manufacturer": "VBsemi Elec",
    "package": "TO-252-4L",
    "pin_count": 5,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8ae7617b3a95359c4c3d4f5f76bd171d.pdf",
    "parts": {
      "symbol": "stu309dh-vb.kicad_sym",
      "footprint": "stu309dh-vb.kicad_mod",
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      "model_3d_plain": "stu309dh-vb-etched.glb",
      "model_3d_step": "stu309dh-vb-etched.step",
      "model_3d_step_plain": "stu309dh-vb.step",
      "lbr": "stu309dh-vb.lbr"
    },
    "distributor_links": {
      "lcsc": "C19626663"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T01:11:36Z",
      "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 the first MOSFET of the N- and P-pair, rated with a pulsed source-diode current ISM of 32 A (N-Ch) and -32 A (P-Ch) in the datasheet."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate terminal of the first MOSFET, with gate-source voltage limited to ±20 V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source terminal of the second MOSFET of the N- and P-pair, rated with a pulsed source-diode current ISM of 32 A (N-Ch) and -32 A (P-Ch) in the datasheet."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate terminal of the second MOSFET, with gate-source voltage limited to ±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 terminals only as the labels 'S1 G1 S2 G2' with 'Drain ; The datasheet does not state explicitly which gate/source pair (G1/S1 or G2/S2) belongs to the N-cha; The datasheet gives no independent pin number for the drain tab; the number TAB is a placeholder, no",
          "exposed pad 5 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0533,
        "at": "2026-10-29T01:11:23"
      },
      "datasheet": {
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        "pages": 13,
        "sha256": "d3ee48a44e6fdbbe",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
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        "checked": "2026-10-29",
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      },
      {
        "file": "stu309dh-vb-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "sha256": "049dd7cc319c8aabbe446b06992d6c5f025f7947f6b4292563529a63d3637f07",
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  }
}