The SRSB-40U02L from Bel Fuse is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 2.5 V, Output Current 1 12000 mA, Output Power 30000 mW, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Buck/Step down. More details for SRSB-40U02L can be seen below.