The SUS1R54805 from Cosel is a DC to DC Converter with Input Voltage 36 to 76 V, Output Voltage 1 5 V, Output Current 1 0.3 A, Output Power 1500 mW, Isolation Voltage 500 Vdc. Tags: Through Hole, Surface Mount, Buck/Step down. More details for SUS1R54805 can be seen below.