The SDH03-48D05W from Ideal Power Ltd is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 5 V, Output Current 1 300 mA, Output Voltage 2 -5 V, Output Current 2 -300 mA. Tags: Through Hole, Buck/Step down. More details for SDH03-48D05W can be seen below.