HSU4903

{
  "slug": "hsu4903",
  "version": "0.1.0",
  "type": "component",
  "description": "HUASHUO MOSFETs, TO-252-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "hsu4903",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hsu4903.kicad_sym",
    "hsu4903.kicad_mod",
    "hsu4903.glb",
    "hsu4903.step",
    "hsu4903.lbr",
    "docs/hero.png",
    "docs/hsu4903-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hsu4903-hero.glb",
    "hsu4903-hero.overlay.json",
    "hsu4903-etched.glb"
  ],
  "component": {
    "mpn": "HSU4903",
    "manufacturer": "HUASHUO",
    "package": "TO-252-4",
    "pin_count": 5,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757799216808628224",
    "parts": {
      "symbol": "hsu4903.kicad_sym",
      "footprint": "hsu4903.kicad_mod",
      "model_3d": "hsu4903-hero.glb",
      "model_3d_plain": "hsu4903-etched.glb",
      "model_3d_step": "hsu4903-etched.step",
      "model_3d_step_plain": "hsu4903.step",
      "lbr": "hsu4903.lbr"
    },
    "distributor_links": {
      "lcsc": "C508801"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:04:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S1",
        "type": "passive",
        "description": "Source of the N-channel MOSFET (40V, 30mΩ, 23A)."
      },
      {
        "number": "2",
        "name": "G1",
        "type": "input",
        "description": "Gate of the N-channel MOSFET, rated ±20V gate-source with VGS(th) 1.0 to 2.5V."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "passive",
        "description": "Source of the P-channel MOSFET (-40V, 45mΩ, -20A)."
      },
      {
        "number": "4",
        "name": "G2",
        "type": "input",
        "description": "Gate of the P-channel MOSFET, rated ±20V gate-source with VGS(th) -1.0 to -2.5V."
      },
      {
        "number": "5",
        "name": "D1/D2",
        "type": "passive",
        "description": "Exposed tab, common drain of both the N-channel (D1) and P-channel (D2) MOSFETs, tied together internally."
      }
    ],
    "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 gives no printed pin numbers. Pins 1-4 follow the left-to-right label order S1, G1, S2; The tab (D1/D2) has no printed pin number. '5' is an assumed designation. The symbol shows D1 and D2",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2737,
        "at": "2026-10-18T15:03:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757799216808628224",
        "pages": 9,
        "sha256": "009532751a7c5ca7",
        "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": "hsu4903.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hsu4903-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": "4cd1ad07d69292981a33cebde6b0182146e0d7f1e4bfc078cc3619227b69037d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}