PQDE6W / VAQE6W 6W Isolated DC-DC Converters CUI Inc PQDE6W / VAQE6W 6W Isolated DC-DC Converters offer single- and dual-output models with wide 4:1 input ranges, high efficiency up to 88%, and a -40°C to +85°C operating temperature range. The VAQE6W series is available in a board-mount package, while the PQDE6W series includes board-mount, chassis-mount, and DIN-rail versions. CUI Inc PQDE6W / VAQE6W 6W Isolated DC-DC Converters include input undervoltage, overvoltage, and overcurrent protection.