The MCWI02-12S12 from Total Power International is a DC to DC Converter with Input Voltage 4.5 to 18 V, Output Voltage 1 12 V, Output Current 1 167 mA, Output Power 2000 mW, Operating Temperature -40 to 90 Degree C. Tags: Through Hole, Buck-Boost. More details for MCWI02-12S12 can be seen below.