The PXD20-48S05 from TDK Corporation is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 5 V, Output Current 1 4000 mA, Output Power 20000 mW, Storage Temperature -55 to 105 Degree C. Tags: Through Hole, Buck/Step down. More details for PXD20-48S05 can be seen below.