187-4017, TRACOPOWER, TRACOPOWER TBA 1HI DC-DC Converter, 15V dc/ 66mA Output, 21.6 → 26.4 V dc Input, 1W, Through Hole, +85°C Max TRACOPOWER TBA 1HI DC-DC Converter, 15V dc/ 66mA Output, 21.6 → 26.4 V dc Input, 1W, Through Hole, +85°C Max