The NVS0.3EJ-M6 from Bel Fuse is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 15 V, Output Current 1 280 mA, Output Power 4200 mW, Operating Temperature -40 to 110 Degree C. Tags: Surface Mount, Buck/Step down. More details for NVS0.3EJ-M6 can be seen below.