XP Power - JTK20 Series of Isolated DC-DC Converters. The JTK20 series from XP Power offers a highly reliable range of single and dual output, 20 W, isolated DC-DC converters. The series has been designed in an industry standard package, features 1600 VDC in isolation and a high efficiency of up to 89%. These compact DC-DC converters have a wide 4:1 input range, very high power density and an operating temperature of -40 °C to +100 °C. 20 W, isolated DC-DC converters 1600 VDC isolation Very high power density Single and dual outputs Wide 4:1 input range -40 °C to +100 °C Operating temperature High efficiency up to 89% Industry standard package Board mount