The SDH01-48S12 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 12 V, Output Current 1 90 mA, Output Power 1000 mW, Isolation Voltage 1600 to 3000 V. Tags: Surface Mount, Through Hole, Buck/Step down. More details for SDH01-48S12 can be seen below.