Murata front end power supplies expands to include high density 650W in D1U54 Series

  • Power Devices



Murata has announced the D1U54P-W-650-12-HBxC series of 650 Watt power supplies manufactured by Murata Power Solutions. Packaged in industry standard 1U format measuring 54.5 x 40 mm (2.15 x 1.57 inches), it has a length of only 228.6 mm (9 inches) compared to 12" length of other power supplies in this family. Delivering a power density of 21.4 Watts per cubic inch, this compact power supply exceeds the 80 PLUS Platinum efficiency requirements. Featuring a single 12 VDC primary output, it also provides a standby 12 VDC / 2A output.

These hot pluggable units are capable of N+1 redundancy and feature an active current sharing (ORING FET) permitting connecting up to a maximum of 8 in parallel.

Control features include an I²C compliant PMBus™ interface and front panel LED status indicators. Overvoltage, overcurrent, and over temperature protection is included across the range.

Forced-air cooling is facilitated by a low noise, variable speed fan; the direction of airflow, front to back or back to front, can be specified at the time of order.

The D1U54P-W-650 is an AC input unit accommodating the full universal input range from 90 to 264 VAC. A DC input model, D1U54-D-650, is also available in same size.

The D1U54P-x-650 series is aimed at distributed power architecture applications and is ideal for use with networking equipment and server and storage systems.

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Murata in Brief

Murata Manufacturing Co., Ltd. is a worldwide leader in the design, manufacture and sale of ceramic-based passive electronic components & solutions, communication modules and power supply modules. Murata is committed to the development of advanced electronic materials and leading edge, multi-functional, high-density modules. The company has employees and manufacturing facilities throughout the world. For more information, visit Murata's website at