The 0RSB-D5S10L from Bel Fuse is a DC to DC Converter with Input Voltage 45 to 56 V, Output Voltage 1 10.4 V, Output Current 1 30000 mA, Output Power 310000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for 0RSB-D5S10L can be seen below.