The MCW1023 from Total Power International is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 12 V, Output Current 1 42 to 167 mA, Output Power 2000 mW, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck-Boost. More details for MCW1023 can be seen below.