The MCOTS-C-28-05S-DM from SynQor is a DC to DC Converter with Input Voltage 16 to 40 V, Output Voltage 1 5 V, Output Current 1 10 A, Output Power 50000 mW, Isolation Voltage 1000 Vdc. Tags: Surface Mount, Buck/Step down. More details for MCOTS-C-28-05S-DM can be seen below.