The RGB4W500W033A-003 from TDK Corporation is a DC to DC Converter with Input Voltage 18 to 60 V, Output Voltage 1 3.3 to 24 V, Output Current 1 33 A, Output Power 500 W, Operating Temperature -40 to 115 Degree C. Tags: Through Hole, Buck/Step down. More details for RGB4W500W033A-003 can be seen below.