The RSDW10H-03 from Mean Well is a DC to DC Converter with Input Voltage 43 to 160 V, Output Voltage 1 3.3 V, Output Current 1 2500 mA, Output Power 10000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for RSDW10H-03 can be seen below.