The RSDW20UW-05 from Mean Well is a DC to DC Converter with Input Voltage 8.5 to 160 V, Output Voltage 1 5 V, Output Current 1 4000 mA, Output Power 20000 mW, Operating Temperature -40 to 95 Degree C. Tags: Through Hole, Buck/Step down. More details for RSDW20UW-05 can be seen below.