IRF7821TR

{
  "slug": "irf7821tr",
  "version": "0.1.0",
  "type": "component",
  "description": "UMW MOSFETs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "transistors-thyristors",
    "irf7821tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "irf7821tr.kicad_sym",
    "irf7821tr.kicad_mod",
    "irf7821tr.glb",
    "irf7821tr.step",
    "irf7821tr.lbr",
    "docs/hero.png",
    "docs/irf7821tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "irf7821tr-hero.glb",
    "irf7821tr-hero.overlay.json",
    "irf7821tr-etched.glb"
  ],
  "component": {
    "mpn": "IRF7821TR",
    "manufacturer": "UMW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d90189303f4c89c0f3275b5a7dcb04e9.pdf",
    "parts": {
      "symbol": "irf7821tr.kicad_sym",
      "footprint": "irf7821tr.kicad_mod",
      "model_3d": "irf7821tr-hero.glb",
      "model_3d_plain": "irf7821tr-etched.glb",
      "model_3d_step": "irf7821tr-etched.step",
      "model_3d_step_plain": "irf7821tr.step",
      "lbr": "irf7821tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C7499387",
      "digikey": "IRF7821TR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T17:21:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "IRF7821TR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S",
        "type": "passive",
        "description": "SOURCE terminal of the N-channel MOSFET (pins 1, 2 and 3 are internally common source)."
      },
      {
        "number": "2",
        "name": "S",
        "type": "passive",
        "description": "SOURCE terminal of the N-channel MOSFET (pins 1, 2 and 3 are internally common source)."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "SOURCE terminal of the N-channel MOSFET (pins 1, 2 and 3 are internally common source)."
      },
      {
        "number": "4",
        "name": "G",
        "type": "input",
        "description": "GATE terminal that controls the MOSFET; the datasheet gives a VGS rating of ±20V (Gate-to-Source Voltage)."
      },
      {
        "number": "5",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the N-channel MOSFET (pins 5 to 8 are internally common drain)."
      },
      {
        "number": "6",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the N-channel MOSFET (pins 5 to 8 are internally common drain)."
      },
      {
        "number": "7",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the N-channel MOSFET (pins 5 to 8 are internally common drain)."
      },
      {
        "number": "8",
        "name": "D",
        "type": "passive",
        "description": "DRAIN terminal of the N-channel MOSFET (pins 5 to 8 are internally common drain)."
      }
    ],
    "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 no per-pin electrical limits. Pin descriptions are functional only, and the 'int; Pin 4 description cites the device-level VGS rating (±20V) from the Absolute Maximum Ratings table, "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0343,
        "at": "2026-11-05T17:20:45"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/d90189303f4c89c0f3275b5a7dcb04e9.pdf",
        "pages": 12,
        "sha256": "189aa53b262ece00",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "irf7821tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "irf7821tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "86a4a633e32b0b7d12e6dc197f6973b12cb574e860c7299425c6f1d8046eb934",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOP-8",
      "source_page": 10,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.8,
          5.0
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          1.24,
          1.3
        ]
      },
      "A": {
        "nom_mm": 1.75,
        "range_mm": [
          null,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "irf7821tr.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}