The MA01-12D05 from Total Power International is a DC to DC Converter with Input Voltage 10.8 to 13.2 V, Output Voltage 1 5 V, Output Current 1 2 to 100 mA, Output Power 1000 mW, Output Voltage 2 -5 V. Tags: Through Hole, Buck/Step down. More details for MA01-12D05 can be seen below.