The SCWN03B-03 from Mean Well is a DC to DC Converter with Input Voltage 18 to 36 V, Output Voltage 1 3 V, Output Current 1 600 mA, Output Power 3000 mW, Operating Temperature -40 to 90 Degree C. Tags: Through Hole, Buck/Step down. More details for SCWN03B-03 can be seen below.