The MPD30-12D05 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 5 V, Output Current 1 3000 mA, Output Voltage 2 -5 V, Output Current 2 -3000 mA. Tags: Through Hole, Buck/Step down. More details for MPD30-12D05 can be seen below.