The SDH01-05S3P3 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 5 to 9 V, Output Voltage 1 3.3 V, Output Current 1 300 mA, Output Power 1000 mW, Isolation Voltage 1600 to 3000 V. Tags: Surface Mount, Through Hole, Buck/Step down. More details for SDH01-05S3P3 can be seen below.