The RAC03-3.3SE/277/W from Recom Power is a AC to DC Converter with AC Input Voltage 100 to 277 V, DC Output Voltage 3.3 V, DC Output Current 0.9 A, DC Output Power 3 W, Line Regulation Voltage ±1% to ±1.5%. Tags: Through Hole. More details for RAC03-3.3SE/277/W can be seen below.