189-4923, TRACOPOWER, TRACOPOWER TRI 3 DC-DC Converter, 12V dc/ 290mA Output, 36 → 75 V dc Input, 3.5W, Through Hole, +96°C Max Temp TRACOPOWER TRI 3 DC-DC Converter, 12V dc/ 290mA Output, 36 → 75 V dc Input, 3.5W, Through Hole, +96°C Max Temp