The BRNS12 from Cosel is a DC to DC Converter with Input Voltage 3 to 14.4 V, Output Voltage 1 0.6 to 5.5 V, Output Current 1 12 A, Operating Temperature -40 to 85 Degree C, Storage Temperature -40 to 100 Degree C. Tags: Surface Mount, Buck/Step down. More details for BRNS12 can be seen below.