The MYMGA5R04RELA5RA from Murata is a DC to DC Converter with Input Voltage 8 to 16 V, Output Voltage 1 3.3 to 5 V, Output Current 1 4000 mA, Output Power 0 to 6800 mW, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount, Buck/Step down. More details for MYMGA5R04RELA5RA can be seen below.