The MCOTS-C-28-12-SG from SynQor is a DC to DC Converter with Input Voltage 16 to 40 V, Output Voltage 1 12 V, Output Current 1 4 A, Output Power 48000 mW, Isolation Voltage 2250 Vdc. Tags: Surface Mount, Buck/Step down. More details for MCOTS-C-28-12-SG can be seen below.