IRFB7740PBF

{
  "schema_version": 1,
  "type": "component",
  "slug": "irfb7740pbf",
  "title": "IRFB7740PBF",
  "brief": "Infineon Technologies MOSFETs, TO-220AB. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "irfb7740pbf"
  ],
  "component": {
    "mpn": "IRFB7740PBF",
    "manufacturer": "Infineon Technologies",
    "package": "TO-220AB",
    "pin_count": 4,
    "category": "Transistors/Thyristors",
    "subcategory": "MOSFETs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588897133471158272",
    "parts": {
      "symbol": "irfb7740pbf.kicad_sym",
      "footprint": "irfb7740pbf.kicad_mod",
      "model_3d": "irfb7740pbf-etched.glb",
      "model_3d_plain": "irfb7740pbf.glb",
      "model_3d_step": "irfb7740pbf-etched.step",
      "model_3d_step_plain": "irfb7740pbf.step",
      "lbr": "irfb7740pbf.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "G",
        "type": "input",
        "description": "Gate. Insulated MOSFET control terminal; drive with VGS up to ±20V (typ. VGS(th) 2.1-3.7V, use VGS = 10V for full enhancement to RDS(on) typ. 6.0 mΩ). Total gate charge Qg typ. 81 nC at ID = 52A, VDS = 38V."
      },
      {
        "number": "2",
        "name": "D",
        "type": "passive",
        "description": "Drain. Power terminal, electrically connected to the TO-220AB metal tab (heatsink). VDSS = 75V max, continuous ID = 87A at TC = 25°C (62A at TC = 100°C), pulsed IDM = 275A. Body diode anode is Source, cathode is Drain (VSD max 1.2V at IS = 52A)."
      },
      {
        "number": "3",
        "name": "S",
        "type": "passive",
        "description": "Source. Power return terminal and anode of the integral body diode. Continuous IS = 87A, pulsed ISM = 275A. Reference node for VGS and VDS measurements."
      },
      {
        "number": "TAB",
        "name": "D",
        "type": "passive",
        "description": "Metal mounting tab, internally connected to the Drain (pin 2). Used for heatsinking; RθJC = 1.05 °C/W max, RθCS = 0.50 °C/W with flat greased surface. Mounting torque 10 lbf·in (1.1 N·m) with 6-32 or M3 screw."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588897133471158272",
        "pages": 10,
        "sha256": "6d393c2840083f57",
        "source_tier": "lcsc"
      },
      "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": "irfb7740pbf.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": "irfb7740pbf-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": "db69d46ae2bcc3f99d40fcddb098cf5dbc44ae37f1a47ddc3bd683b0e37297de",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Infineon Technologies",
      "Package": "TO-220AB",
      "Category": "Transistors/Thyristors",
      "Pins": "4"
    }
  },
  "variants": [
    {
      "mpn": "IRFB7740PbF",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "irfb7740pbf"
  ],
  "discovery_pitch": "IRFB7740PBF (Infineon Technologies) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "irfb7740pbf.kicad_sym",
    "irfb7740pbf.kicad_mod",
    "irfb7740pbf.glb",
    "irfb7740pbf.step",
    "irfb7740pbf.lbr",
    "docs/hero.png",
    "docs/irfb7740pbf-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T22:53:28.725Z"
}