The SDH03-48D12W from Ideal Power Ltd is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 12 V, Output Current 1 125 mA, Output Voltage 2 -12 V, Output Current 2 -125 mA. Tags: Through Hole, Buck/Step down. More details for SDH03-48D12W can be seen below.