MC7812CTG

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc7812ctg",
  "title": "MC7812CTG",
  "brief": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-220. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "mc7812ctg"
  ],
  "component": {
    "mpn": "MC7812CTG",
    "manufacturer": "onsemi",
    "package": "TO-220",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc7812ct-d.pdf",
    "parts": {
      "symbol": "mc7812ctg.kicad_sym",
      "footprint": "mc7812ctg.kicad_mod",
      "model_3d": "mc7812ctg-etched.glb",
      "model_3d_plain": "mc7812ctg.glb",
      "model_3d_step": "mc7812ctg-etched.step",
      "model_3d_step_plain": "mc7812ctg.step",
      "lbr": "mc7812ctg.lbr"
    },
    "distributor_links": {
      "digikey": "MC7812CTGOS-ND",
      "lcsc": "C81392"
    },
    "pins": [
      {
        "number": "1",
        "name": "Vin",
        "type": "power_in",
        "description": "Unregulated positive input voltage. For a 12 V output the input must remain typically 2.0 V above Vout even at the ripple trough (dropout ~2.0 V); absolute maximum input is 35 Vdc. A 0.33 uF ceramic (Cin) is recommended if the regulator is located an appreciable distance from the power-supply filter."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Common ground reference shared by the input and output. In the TO-220 (Case 221AB) package the heatsink tab is electrically connected to Pin 2 (GND), so the tab may be bonded directly to a grounded heatsink without an insulator."
      },
      {
        "number": "3",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated +12 V positive output, capable of delivering in excess of 1.0 A with adequate heatsinking (short-circuit current limit typ. 0.2 A at Vin=35 V; peak output current typ. 2.2 A). An output capacitor Co (>=0.1 uF) is not required for stability but improves transient response."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc7812ct-d.pdf",
        "pages": 31,
        "sha256": "ad3f70896343dcf0",
        "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": [
        0,
        0
      ],
      "corner": "bottom-right",
      "source": "pad-position",
      "derived_from": "TO-220-3_Vertical@sha256:0c6681bb273696ad",
      "mark": "synthesised"
    },
    "models_3d": [
      {
        "file": "mc7812ctg.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": "mc7812ctg-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": "1c65cdc84e56731cf1e48e455ea1a7e850dcf0d907c4a3d7957f754828d520fc",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TO-220",
      "Category": "PMIC",
      "Pins": "3"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "mc7812ctg"
  ],
  "discovery_pitch": "MC7812CTG (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mc7812ctg.kicad_sym",
    "mc7812ctg.kicad_mod",
    "mc7812ctg.glb",
    "mc7812ctg.step",
    "mc7812ctg-etched.step",
    "mc7812ctg.lbr",
    "docs/hero.png",
    "docs/mc7812ctg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "MC7812CTG",
      "kind": "packaging"
    },
    {
      "mpn": "MC7812CTGD2T",
      "kind": "packaging"
    },
    {
      "mpn": "MC7812CTGDT",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:56:07.541Z"
}