MC7812BDTRKG

{
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  "type": "component",
  "slug": "mc7812bdtrkg",
  "title": "MC7812BDTRKG",
  "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",
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  "component": {
    "mpn": "MC7812BDTRKG",
    "manufacturer": "onsemi",
    "package": "TO-252-2(DPAK)",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc7812bdtrk-d.pdf",
    "parts": {
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      "lbr": "mc7812bdtrkg.lbr"
    },
    "distributor_links": {
      "digikey": "MC7812BDTRKGOSTR-ND",
      "mouser": "863-MC7812BDTRKG",
      "lcsc": "C126398"
    },
    "pins": [
      {
        "number": "1",
        "name": "Input",
        "type": "power_in",
        "description": "Unregulated positive input supply. Must remain approximately 2.0 V above the +12 V output (dropout ~2.0 V typ.) and not exceed 35 Vdc absolute max. A 0.33 uF ceramic input capacitor is required if the device is located an appreciable distance from the supply filter."
      },
      {
        "number": "2",
        "name": "Ground",
        "type": "power_in",
        "description": "Device common / ground reference. A common ground is required between the input and output sides of the regulator. On the DPAK-3 (DT SUFFIX, CASE 369C) package the heatsink tab (drawn as terminal 4) is internally connected to pin 2 (Ground)."
      },
      {
        "number": "3",
        "name": "Output",
        "type": "power_out",
        "description": "Regulated +12 V positive output, capable of delivering >1.0 A with internal short-circuit and thermal protection. An output capacitor (Co) is not strictly required for stability but improves transient response; values <0.1 uF may cause instability."
      }
    ],
    "provenance": {
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      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc7812bdtrk-d.pdf",
        "pages": 28,
        "sha256": "a0831a3a6a3010ac",
        "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"
    },
    "models_3d": [
      {
        "file": "mc7812bdtrkg.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)"
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          6.5,
          2.32
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9197efd3d871edbbe0a6061534d80f0dbe7ea5b83cd3ed3a258621e66d8b3531",
        "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": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a0831a3a6a3010ac",
      "rows": [
        {
          "name": "Output Voltage (TJ = 25°C)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 11.5,
          "typ": 12,
          "max": 12.5,
          "conditions": "TJ = 25°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W)",
          "symbol": "VO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": 11.4,
          "typ": 12,
          "max": 12.6,
          "conditions": "14.5 Vdc ≤ Vin ≤ 27 Vdc",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation, TJ = 25°C",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 7.5,
          "max": 240,
          "conditions": "TJ = 25°C; 14.5 Vdc ≤ Vin ≤ 30 Vdc",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation, TJ = 25°C",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2.2,
          "max": 120,
          "conditions": "TJ = 25°C; 16 Vdc ≤ Vin ≤ 22 Vdc",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation, TJ = 25°C",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1.6,
          "max": 240,
          "conditions": "TJ = 25°C; 5.0 mA ≤ IO ≤ 1.5 A",
          "source_page": 9,
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        },
        {
          "name": "Quiescent Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.4,
          "max": 8,
          "conditions": "",
          "source_page": 9,
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        },
        {
          "name": "Quiescent Current Change",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "15 Vdc ≤ Vin ≤ 30 Vdc",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current Change",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "5.0 mA ≤ IO ≤ 1.0 A",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "15 Vdc ≤ Vin ≤ 25 Vdc, f = 120 Hz",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (IO = 1.0 A, TJ = 25°C)",
          "symbol": "VI − VO",
          "kind": "electrical",
          "unit": "Vdc",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "IO = 1.0 A, TJ = 25°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage (TA = 25°C)",
          "symbol": "Vn",
          "kind": "electrical",
          "unit": "V/VO",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "10 Hz ≤ f ≤ 100 kHz, TA = 25°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Resistance",
          "symbol": "rO",
          "kind": "electrical",
          "unit": "m",
          "min": null,
          "typ": 1.1,
          "max": null,
          "conditions": "f = 1.0 kHz",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current Limit (TA = 25°C)",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "Vin = 35 Vdc, TA = 25°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Peak Output Current (TJ = 25°C)",
          "symbol": "Imax",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2.2,
          "max": null,
          "conditions": "TJ = 25°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Average Temperature Coefficient of Output Voltage",
          "symbol": "TCVO",
          "kind": "temperature_coefficient",
          "unit": "mV/°C",
          "min": null,
          "typ": -0.8,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "Input Voltage (5.0 − 18 V) rating row",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Junction Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range (MC7812BDTRKG)",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Ordering information for MC7812BDTRKG (DPAK, 2500 / Tape & Reel)",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient (DPAK, case 369C)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 92,
          "conditions": "DPAK case 369C column",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Case (DPAK, case 369C)",
          "symbol": "RJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "DPAK case 369C column",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "MC7812BDTRKG (onsemi) component page with datasheet-verified CAD.",
  "author": {
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  "variants": [
    {
      "mpn": "MC7812BDTRKG",
      "kind": "packaging"
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    {
      "mpn": "MC7812BDTRKGD2TG",
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    {
      "mpn": "MC7812BDTRKGD2TR4G",
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      "mpn": "MC7812BDTRKGTG",
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  "updated_at": "2026-09-28T18:55:44.587Z"
}