TRACOPOWER TES 5-1211 Isolated Board Mount DC/DC Converter, 2:1 Input, Surface Mount DIP, Fixed, Surface Mount Device
TRACOPOWER TDR 2-1211 Isolated Board Mount DC/DC Converter, DIP, Fixed, Adjustable, Through Hole, 9 V, 18 V, 5 V

TRACOPOWER TDR 3-1211 Isolated Board Mount DC/DC Converter, DIP, Fixed, Adjustable, Through Hole, 9 V, 18 V, 5 V