The SDH02-48S09W from Ideal Power Ltd is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 9 V, Output Current 1 222 mA, Isolation Voltage 1600 to 3000 V, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Buck/Step down. More details for SDH02-48S09W can be seen below.