The RNS03ZE-M6G from Bel Fuse is a DC to DC Converter with Input Voltage 38 to 75 V, Output Voltage 1 3.3 V, Output Current 1 3000 mA, Output Power 10000 mW, Operating Temperature -45 to 110 Degree C. Tags: Surface Mount, Buck/Step down. More details for RNS03ZE-M6G can be seen below.