The RNS01EE-M6 from Bel Fuse is a DC to DC Converter with Input Voltage 18 to 72 V, Output Voltage 1 3.3 V, Output Current 1 1500 mA, Output Power 5000 mW, Operating Temperature -45 to 110 Degree C. Tags: Surface Mount, Buck/Step down. More details for RNS01EE-M6 can be seen below.