The SCW20B-05 from Mean Well is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 5 V, Output Current 1 4000 mA, Output Power 20000 mW, Operating Temperature -40 to 80 Degree C. Tags: Through Hole, Buck/Step down. More details for SCW20B-05 can be seen below.