The 40IMX15-03-8RG from Bel Fuse is a DC to DC Converter with Input Voltage 16.8 to 75 V, Output Voltage 1 3.3 V, Output Current 1 4000 mA, Output Power 13200 mW, Output Voltage 2 3.3 V. Tags: Through Hole, Buck/Step down. More details for 40IMX15-03-8RG can be seen below.