The SPB09B-12 from Mean Well is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 12 V, Output Current 1 0 to 750 mA, Output Power 9000 mW, Operating Temperature -40 to 90 Degree C. Tags: Through Hole, Buck/Step down. More details for SPB09B-12 can be seen below.