MC78M12BDTRKG

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc78m12bdtrkg",
  "title": "MC78M12BDTRKG",
  "brief": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, DPAK-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "mc78m12bdtrkg"
  ],
  "component": {
    "mpn": "MC78M12BDTRKG",
    "manufacturer": "onsemi",
    "package": "DPAK-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc78m12bdtrk-d.pdf",
    "parts": {
      "symbol": "mc78m12bdtrkg.kicad_sym",
      "footprint": "mc78m12bdtrkg.kicad_mod",
      "model_3d": "mc78m12bdtrkg-etched.glb",
      "model_3d_plain": "mc78m12bdtrkg.glb",
      "model_3d_step": "mc78m12bdtrkg-etched.step",
      "model_3d_step_plain": "mc78m12bdtrkg.step",
      "lbr": "mc78m12bdtrkg.lbr"
    },
    "distributor_links": {
      "digikey": "MC78M12BDTRKGOSTR-ND",
      "mouser": "863-MC78M12BDTRKG",
      "lcsc": "C110905"
    },
    "pins": [
      {
        "number": "1",
        "name": "VI",
        "type": "power_in",
        "description": "Unregulated positive input voltage. Recommended operating input for 12 V variant is 14.5 V to 30 V; absolute maximum input is 35 V (V_I ≤ 18 V rated devices) with the 12 V part characterized at V_I = 19 V. A 0.33 µF input bypass capacitor to ground is recommended when the regulator is located far from the supply filter."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference for both the input and output. On the DPAK-3 (DT suffix) package the heatsink tab (terminal 4) is internally connected to Pin 2, so the thermal pad is at ground potential and may be soldered directly to a ground copper pour for heat dissipation."
      },
      {
        "number": "3",
        "name": "VO",
        "type": "power_out",
        "description": "Regulated +12 V output. Typical V_O = 12 V (11.50 V min / 12.50 V max at T_J = 25 °C for the B-grade). Maximum output current with adequate heatsinking is 500 mA; short-circuit current limit is typically 350 mA and peak output current typically 700 mA. A 0.1 µF output capacitor to ground is recommended to improve transient response."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc78m12bdtrk-d.pdf",
        "pages": 15,
        "sha256": "2339bbc0a38dcd3b",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -5.04,
        -2.28
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TO-252-2@sha256:18c28e5e147d5e9b",
      "mark": "drawn"
    },
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        "file": "mc78m12bdtrkg.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": "mc78m12bdtrkg-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": "5531033edcd0544d610ea0bad5cbb09f0312d2bed7b994aef20ca1558b7e7c7c",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "DPAK-3",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mc78m12bdtrkg"
  ],
  "discovery_pitch": "MC78M12BDTRKG (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc78m12bdtrkg.kicad_sym",
    "mc78m12bdtrkg.kicad_mod",
    "mc78m12bdtrkg.glb",
    "mc78m12bdtrkg.step",
    "mc78m12bdtrkg-etched.step",
    "mc78m12bdtrkg.lbr",
    "docs/hero.png",
    "docs/mc78m12bdtrkg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MC78M12BDTRKG",
      "kind": "packaging"
    },
    {
      "mpn": "MC78M12BDTRKGT",
      "kind": "packaging"
    },
    {
      "mpn": "MC78M12BDTRKGTG",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:58:49.044Z"
}