The SDI50-12-UD-P5 is a compact 50 W AC-DC power supply designed for industrial and commercial applications requiring reliable DC power conversion. It features universal AC input from 90 to 264 Vac at 47–63 Hz, delivering a regulated 12 Vdc output with a maximum current of 4.2 A and ripple and noise of 120 mVp-p at full load. The unit incorporates over-voltage and short-circuit protections with automatic recovery, isolation voltage of 3,000 Vac, and meets DoE Level VI and CoC Tier 2 efficiency standards. It is certified to UL/cUL (60950-1, 62368-1), PSE, LPS, and UKCA safety standards, with FCC Part 15B Class B and CE EMI/EMC compliance. The compact dimensions of 115 × 53 × 38 mm and 310 g weight make it suitable for space-constrained installations, while its 300,000-hour MTBF and RoHS compliance ensure long-term reliability in demanding environments.