The 0RQB-X3S11B from Bel Fuse is a DC to DC Converter with Input Voltage 45 to 58.5 V, Output Voltage 1 10.4 V, Output Current 1 125000 mA, Output Power 1300000 mW, Operating Temperature -5 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for 0RQB-X3S11B can be seen below.