PSK-15B-S5 is an AC-DC power supply module designed to deliver a regulated 5 Vdc output with a maximum current of 2.8 A and output power of 14 W. It features a universal input voltage range of 85~264 Vac, 4000 Vac isolation, and a compact encapsulated design suitable for board-level integration. The unit provides built-in protection including short circuit, over voltage, and over current protection with hiccup auto-recovery. With a typical efficiency of 81.37%, low no-load power consumption under 100 mW, and an MTBF of 300,000 hours, this power supply is ideal for industrial, commercial, and consumer electronics applications requiring reliable and efficient power conversion.