The SLW05B-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 41.7 to 417 mA, Output Power 5000 mW, Operating Temperature -25 to 71 Degree C. Tags: Through Hole, Buck/Step down. More details for SLW05B-12 can be seen below.