IRLZ44

{
  "schema_version": 1,
  "type": "component",
  "slug": "irlz44",
  "title": "IRLZ44",
  "brief": "Vishay logic-level N-channel power MOSFET, TO-220. 60 V, 50 A, RDS(on) 28 mOhm @ VGS=5 V. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistor",
    "mosfet",
    "power",
    "logic-level",
    "to-220",
    "vishay"
  ],
  "component": {
    "mpn": "IRLZ44",
    "manufacturer": "Vishay",
    "package": "TO-220AB",
    "pin_count": 4,
    "category": "Transistor",
    "subcategory": "Logic-level power MOSFET (N-channel)",
    "datasheet": "https://www.vishay.com/docs/91328/irlz44.pdf",
    "parts": {
      "symbol": "irlz44.kicad_sym",
      "footprint": "irlz44.kicad_mod",
      "model_3d": "irlz44-etched.glb",
      "model_3d_plain": "irlz44.glb",
      "lbr": "irlz44.lbr",
      "model_3d_step": "irlz44-etched.step",
      "model_3d_step_plain": "irlz44.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate. Logic-level MOSFET control input; VGS(th) = 1.0 V min / 2.0 V max, VGS abs max ±10 V. RDS(on) is specified at VGS = 4 V (0.039 Ω) and VGS = 5 V (0.028 Ω)."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain. MOSFET drain terminal; VDS = 60 V max, continuous ID = 50 A at TC = 25 °C (36 A at TC = 100 °C), pulsed IDM = 200 A. Also electrically connected to the TO-220 metal mounting tab."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source. MOSFET source terminal and anode of the intrinsic body diode (VSD ≤ 2.5 V at IS = 51 A). Typically tied to the load-return / ground rail in a low-side switch configuration."
      },
      {
        "number": "TAB",
        "name": "D",
        "type": "passive",
        "description": "Metal mounting tab, internally connected to the Drain (pin 2). Used as the primary thermal path to a heatsink (RthJC = 1.0 °C/W max); must be electrically isolated from ground when the heatsink is grounded."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.vishay.com/docs/91328/irlz44.pdf",
        "pages": 8,
        "sha256": "8dd82ac7164a38ee",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "irlz44.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "7cb065d935df5771f0ba6e48ddd180863a121af76483dad7f18e667a7b68204a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "irlz44-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          10.25,
          4.455,
          28.525
        ],
        "zmin_mm": -9.75,
        "centre_offset_mm": 0.932,
        "footprint_binding": "identity",
        "sha256": "fc3ad99978dec7a7d5664abb0289c4b778d81d80720931e04bb6b79345a3587d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "N-channel logic-level power MOSFET",
      "Drain-source voltage (VDS)": "60 V",
      "Continuous drain current (ID)": "50 A @ 25 °C",
      "On-resistance (RDS(on))": "28 mΩ @ VGS=5 V (39 mΩ @ 4 V)",
      "Gate drive": "Logic-level (fully on at 5 V)",
      "Tab": "Drain (electrically pin 2)",
      "Package": "TO-220AB",
      "Body (L×W×H)": "10.3 × 4.6 × 15.9 mm (TO-220)"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "irlz44",
    "logic level power mosfet",
    "to-220 n-channel mosfet",
    "irlz44n"
  ],
  "discovery_pitch": "IRLZ44 logic-level N-channel power MOSFET (TO-220) with datasheet-verified pinout, KiCad symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "irlz44.kicad_sym",
    "irlz44.kicad_mod",
    "irlz44.glb",
    "irlz44.lbr",
    "docs/hero.png",
    "docs/irlz44-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "irlz44-etched.step"
  ],
  "variants": [
    {
      "mpn": "IRLZ44PBF (TO-220AB)",
      "kind": "packaging"
    },
    {
      "mpn": "IRLZ44 (TO-220AB, bulk)",
      "kind": "packaging"
    }
  ]
}