The SNDBS400B28 from Cosel is a DC to DC Converter with Input Voltage 200 to 400 V, Output Voltage 1 48 V, Output Current 1 14.5 A, Output Power 406000 mW, Isolation Voltage 500 Vdc. Tags: Surface Mount, Buck/Step down. More details for SNDBS400B28 can be seen below.