D1U54T AC-DC Power Devices Murata Power Solutions D1U54T AC-DC Power Devices feature a 54mm width, 3.3VDC to 12VDC standby output range, and 47Hz to 63Hz frequency. These AC-DC power devices offer active current sharing, multifunctional status LEDs, and PMBus™ digital communications. D1U54T power devices provide multiple types of protection, including overvoltage, overcurrent, and overtemperature. Murata Power Solutions D1U54T AC-DC Power Devices are designed to deliver reliable power to servers, workstations, storage systems, and other applications requiring 12V distributed power architectures.