The SMW5H48S12 from Calex Manufacturing is a DC to DC Converter with Input Voltage 18 to 75 V, Output Voltage 1 12 V, Output Current 1 417 mA, Output Power 5 W, Isolation Voltage 1.5 kV. Tags: Surface Mount, Buck/Step down. More details for SMW5H48S12 can be seen below.