The NSD10-12S9 from Mean Well is a DC to DC Converter with Input Voltage 9.8 to 36 V, Output Voltage 1 9 V, Output Current 1 50 to 1100 mA, Output Power 9900 mW, Operating Temperature -25 to 70 Degree C. Tags: Through Hole, Buck/Step down. More details for NSD10-12S9 can be seen below.