The SFS30481R8 from Cosel is a DC to DC Converter with Input Voltage 36 to 76 V, Output Voltage 1 1.8 V, Output Current 1 9.0A, Output Power 16200 mW, Isolation Voltage 1500 Vdc. Tags: Through Hole, Surface Mount, Buck/Step down. More details for SFS30481R8 can be seen below.