The 0RRQ-45M11R from Bel Fuse is a DC to DC Converter with Input Voltage 51 to 57 V, Output Voltage 1 9.7 V, Output Current 1 51000 mA, Output Power 480000 mW, Operating Temperature -20 to 70 Degree C. Tags: Through Hole, Buck/Step down. More details for 0RRQ-45M11R can be seen below.