The iEA4W004A120V-003-R (3) from TDK Corporation is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 12 V, Output Current 1 4000 mA, Output Power 48000 mW, Operating Temperature -40 to 125 Degree C. Tags: Through Hole, Buck/Step down. More details for iEA4W004A120V-003-R (3) can be seen below.