MC78M05BDTRKG

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc78m05bdtrkg",
  "title": "MC78M05BDTRKG",
  "brief": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "mc78m05bdtrkg"
  ],
  "component": {
    "mpn": "MC78M05BDTRKG",
    "manufacturer": "onsemi",
    "package": "TO-252-2(DPAK)",
    "pin_count": 4,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc78m05bdtrk-d.pdf",
    "parts": {
      "symbol": "mc78m05bdtrkg.kicad_sym",
      "footprint": "mc78m05bdtrkg.kicad_mod",
      "model_3d": "mc78m05bdtrkg-etched.glb",
      "model_3d_plain": "mc78m05bdtrkg.glb",
      "model_3d_step": "mc78m05bdtrkg-etched.step",
      "model_3d_step_plain": "mc78m05bdtrkg.step",
      "lbr": "mc78m05bdtrkg.lbr"
    },
    "distributor_links": {
      "digikey": "MC78M05BDTRKGOSTR-ND",
      "mouser": "863-MC78M05BDTRKG",
      "lcsc": "C94612"
    },
    "pins": [
      {
        "number": "1",
        "name": "VI",
        "type": "power_in",
        "description": "Unregulated input voltage. Operating range up to 25 Vdc for the 5 V variant; absolute maximum input voltage is 35 Vdc. Typical dropout is 2.0 V; a bulk input capacitor is recommended when the regulator is located far from the filter capacitor."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for input and output. Also thermally bonded to the heatsink tab (pin 4 of the case outline is internally connected to pin 2)."
      },
      {
        "number": "3",
        "name": "VO",
        "type": "power_out",
        "description": "Regulated +5.0 V output (4.8-5.2 V at TJ=25 °C). Rated for 500 mA maximum with adequate heatsinking; short-circuit current limit ~350 mA, peak output current ~700 mA. A small output capacitor improves transient response."
      },
      {
        "number": "4",
        "name": "TAB",
        "type": "passive",
        "description": "Exposed heatsink tab on the DPAK-3 case outline; internally connected to pin 2 (Ground). Solder to a copper pour for thermal dissipation."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc78m05bdtrk-d.pdf",
        "pages": 16,
        "sha256": "f676eb1d232d9a95",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -5.04,
        -2.28
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-252-2@sha256:18c28e5e147d5e9b",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "mc78m05bdtrkg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mc78m05bdtrkg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.9,
          6.5,
          2.32
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b42c1b43f51922c4c083f9b57bf2b7dfee677b3080cf51bf4f75c2015e545649",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TO-252-2(DPAK)",
      "Category": "PMIC",
      "Pins": "4"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mc78m05bdtrkg"
  ],
  "discovery_pitch": "MC78M05BDTRKG (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc78m05bdtrkg.kicad_sym",
    "mc78m05bdtrkg.kicad_mod",
    "mc78m05bdtrkg.glb",
    "mc78m05bdtrkg.step",
    "mc78m05bdtrkg-etched.step",
    "mc78m05bdtrkg.lbr",
    "docs/hero.png",
    "docs/mc78m05bdtrkg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MC78M05BDTRKG",
      "kind": "packaging"
    },
    {
      "mpn": "MC78M05BDTRKGCDTRKG",
      "kind": "packaging"
    },
    {
      "mpn": "MC78M05BDTRKGABDTRKG",
      "kind": "packaging"
    },
    {
      "mpn": "MC78M05BDTRKGACDTRKG",
      "kind": "packaging"
    },
    {
      "mpn": "MC78M05BDTRKGBTG",
      "kind": "packaging"
    },
    {
      "mpn": "MC78M05BDTRKGCTG",
      "kind": "packaging"
    },
    {
      "mpn": "MC78M05BDTRKGABTG",
      "kind": "packaging"
    },
    {
      "mpn": "MC78M05BDTRKGACTG",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:57:54.672Z"
}