The iEH48028A108V-103-R from TDK Corporation is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 10.8 V, Output Current 1 28000 mA, Output Power 300000 mW, Operating Temperature -40 to 124 Degree C. Tags: Through Hole, Buck/Step down. More details for iEH48028A108V-103-R can be seen below.