component
MC7812CDTRKG
Public Unreviewedby Ray
onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMC7812CDTRKG
onsemi · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252-2(DPAK)
MC7812CDTRKG from onsemi, in a TO-252-2(DPAK). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Vin | power_in | Unregulated positive input voltage. Must be at least ~2.0 V above Vout (dropout, Io=1.0 A) and typically ≤35 Vdc (absolute max, 24 V rating for the DPAK/D2PAK CASE 369C/936, 40 V for TO-220 CASE 221AB). A ~0.33 µF input capacitor is recommended if the regulator is not close to the supply filter. |
| 2 | GND | power_in | Common ground reference. Must be shared between the input and output supply returns. The exposed tab/heatsink surface of the DPAK-3 (CASE 369C) package is internally connected to this pin, so the mounting pad also serves as the ground/thermal pad. |
| 3 | Vout | power_out | Regulated +12 Vdc output (±4% for MC7812C; nominal 12.0 V, 11.5-12.5 V over line/load/temperature). Delivers up to 1.0 A output current with adequate heatsinking; typical peak (short-term) current 2.2 A, short-circuit current limit ~0.2 A at Vin=35 V. An output capacitor is not required for stability but ≥0.1 µF improves transient response. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | TO-252-2(DPAK) |
| Category | PMIC |
| Pins | 3 |
Ordering variants
Same part, different packaging or reel option.
MC7812CDTRKGMC7812CDTRKGD2TR4GMC7812CDTRKGD2TMC7812CDTRKGTGMC7812CDTRKGT
CAD (KiCad official)
- Symbol:
MC7812CDTRKG - Footprint:
Package_TO_SOT_SMD:TO-252-2 - 3D model: TO-252-2(DPAK) (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (31 pp, sha256
ad3f70896343dcf0, retrieved 2026-08-17, tier: manufacturer) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).