The MCOTS-C-28-12D-DM from SynQor is a DC to DC Converter with Input Voltage 16 to 40 V, Output Voltage 1 -12 to 12 V, Output Current 1 4 A, Output Power 48000 mW, Isolation Voltage 1000 Vdc. Tags: Module, Buck/Step down. More details for MCOTS-C-28-12D-DM can be seen below.