The MEW1031 from Total Power International is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 3.3 V, Output Current 1 125 to 500 mA, Output Power 2000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for MEW1031 can be seen below.