TUHS AC-DC Converters Cosel TUHS AC-DC Converters feature high efficiency, low standby power, and built-in overcurrent and overvoltage protection circuits. These small, board-mount AC-DC converters offer design flexibility for hold-up time and expected life. The series has a 3W to 26.4W rated output and a universal input voltage of AC85 to 264V, DC120 to 370V. The operating temperature range is -40°C to +85°C. Cosel TUHS AC-DC Converters come with a five-year warranty.