MDD50N03D

{
  "slug": "mdd50n03d",
  "version": "0.1.0",
  "type": "component",
  "description": "MDD Microdiode Semiconductor MOSFETs, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "mdd50n03d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mdd50n03d.kicad_sym",
    "mdd50n03d.kicad_mod",
    "mdd50n03d.glb",
    "mdd50n03d.step",
    "mdd50n03d.lbr",
    "docs/hero.png",
    "docs/mdd50n03d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mdd50n03d-hero.glb",
    "mdd50n03d-hero.overlay.json"
  ],
  "component": {
    "mpn": "MDD50N03D",
    "manufacturer": "MDD Microdiode Semiconductor",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756679309387931648",
    "parts": {
      "symbol": "mdd50n03d.kicad_sym",
      "footprint": "mdd50n03d.kicad_mod",
      "model_3d": "mdd50n03d-hero.glb",
      "model_3d_plain": "mdd50n03d.glb",
      "model_3d_step": "mdd50n03d-etched.step",
      "model_3d_step_plain": "mdd50n03d.step",
      "lbr": "mdd50n03d.lbr"
    },
    "distributor_links": {
      "lcsc": "C5357578",
      "digikey": "3372-MDD50N03DTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T00:04:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "3372-MDD50N03DTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Gate",
        "type": "input",
        "description": "Gate of the MOSFET; gate-source voltage is rated at ±20 V (VGS), and the gate threshold voltage is 1.0 V min to 2.2 V typ at VDS=VGS, ID=250μA."
      },
      {
        "number": "2",
        "name": "Drain",
        "type": "passive",
        "description": "Drain of the MOSFET; drain-source voltage is rated at 30 V (VDS) and continuous drain current at 50 A, with the datasheet noting the drain pins as the solder mounting surface for thermal reference."
      },
      {
        "number": "3",
        "name": "Source",
        "type": "passive",
        "description": "Source of the MOSFET; the body diode source-drain current is rated at 50 A continuous and 150 A pulsed, with a typical forward voltage of 1.2 V at IS=15A, VGS=0V."
      }
    ],
    "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 gives the TO-252 pin assignment only in the pin-out callout on page 1 (\"1. Gate 2. Dra; The datasheet does not explicitly say whether the drain tab is pin 2 or a separate tab; the drain is"
        ],
        "pages_sent": 6,
        "cost_usd": 0.027,
        "at": "2026-10-09T00:02:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756679309387931648",
        "pages": 6,
        "sha256": "553f4cddc841e357",
        "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": [
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        "file": "mdd50n03d.step",
        "role": "plain",
        "up": "Z",
        "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",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mdd50n03d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
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        "footprint_binding": "identity",
        "sha256": "c3511c842ce61deeb3c2b42cd693e520053052e915f5265dfd10f5e2868ff90f",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}