Murata Power Solutions has introduces its family of AC/DC front end power supplies that deliver bulk power with efficiency of up to 90.9% and power density up to 17.9W/in.³. The units are suitable for use in servers, network equipment and other distributed power architecture applications. The D1U4-W series is housed in a 1U low-profile package, and it is offered with output power of 1,600 W (220 V AC) or 1,200 W (110 V AC), and main output voltages of 12 V. The series has active power factor correction, and it features active current sharing on its main output. Integrated O-Ring FETs support N+1 operation that includes hot docking. Stand-by outputs of either 3.3 or 5 V give up to 20 W of stand-by power that supports system housekeeping and monitoring requirements.