IRLB8721

{
  "schema_version": 1,
  "type": "component",
  "slug": "irlb8721",
  "title": "IRLB8721",
  "brief": "Infineon logic-level N-channel power MOSFET, TO-220. 30 V, 62 A, low RDS(on), drives from 3.3 V logic. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "discrete",
    "mosfet",
    "n-channel",
    "logic-level",
    "to-220",
    "infineon"
  ],
  "component": {
    "mpn": "IRLB8721",
    "manufacturer": "Infineon",
    "package": "TO-220",
    "pin_count": 3,
    "category": "Discrete Semiconductor",
    "subcategory": "N-channel MOSFET",
    "datasheet": "https://www.infineon.com/dgdl/irlb8721pbf.pdf",
    "parts": {
      "symbol": "irlb8721.kicad_sym",
      "footprint": "irlb8721.kicad_mod",
      "model_3d": "irlb8721-etched.glb",
      "model_3d_plain": "irlb8721.glb",
      "model_3d_step": "irlb8721-etched.step",
      "model_3d_step_plain": "irlb8721.step",
      "lbr": "irlb8721.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate. Insulated MOS gate controlling channel conduction. Threshold voltage VGS(th) = 1.35-2.35 V (typ 1.80 V). Absolute maximum VGS = ±20 V. Typical total gate charge Qg = 7.6 nC at VGS=4.5V/VDS=15V/ID=25A; internal gate resistance RG ≈ 2.3 Ω."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain. Positive terminal of the N-channel MOSFET (also connects to the tab / thermal pad). Absolute maximum VDS = 30 V. Continuous drain current ID = 62 A at TC=25°C (44 A at TC=100°C); pulsed IDM = 250 A. Static RDS(on) max 8.7 mΩ @ VGS=10V, 16 mΩ @ VGS=4.5V."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source. Reference terminal for the N-channel MOSFET. Also the anode of the intrinsic body diode (drain = cathode): VSD ≤ 1.0 V, trr typ 16 ns, Qrr typ 14 nC, continuous body-diode source current IS = 62 A."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.infineon.com/dgdl/irlb8721pbf.pdf",
        "pages": 10,
        "sha256": "8a313aecdd1e7725",
        "source_tier": "mfr"
      },
      "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": [
      {
        "file": "irlb8721.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": "irlb8721-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": "cb6ad9a51bca7c2bc519a5549f977e6dd634ba70e21fec3249bfa9444bd07195",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "N-channel logic-level MOSFET",
      "VDS": "30 V",
      "ID (continuous)": "62 A",
      "RDS(on)": "8.7 mOhm (VGS=10 V)",
      "Gate threshold": "1.35-2.35 V",
      "Gate drive": "Logic-level (3.3-5 V)",
      "Package": "TO-220"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "irlb8721",
    "logic level mosfet",
    "3.3v gate mosfet",
    "arduino power switch mosfet"
  ],
  "discovery_pitch": "Infineon IRLB8721 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",
    "irlb8721.kicad_sym",
    "irlb8721.kicad_mod",
    "irlb8721.glb",
    "irlb8721.step",
    "irlb8721.lbr",
    "docs/hero.png",
    "docs/irlb8721-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "irlb8721-etched.step"
  ],
  "variants": [
    {
      "mpn": "IRLB8721PBF (TO-220)",
      "kind": "packaging"
    },
    {
      "mpn": "IRLB8721PbF (TO-220, lead-free)",
      "kind": "packaging"
    }
  ]
}