The MCOTS-C-28-3R3S-DM from SynQor is a DC to DC Converter with Input Voltage 16 to 40 V, Output Voltage 1 3.3 V, Output Current 1 15 A, Output Power 49500 mW, Isolation Voltage 1000 Vdc. Tags: Surface Mount, Buck/Step down. More details for MCOTS-C-28-3R3S-DM can be seen below.