The TEQ 40-7213WIR is a part of the TRACO Power Miniature DC-DC Converter series. It is a 4 Watt, 1:1 isolated DC-DC converter designed for use in industrial, telecom, data communication and other applications. This device is designed for a wide range of input voltages, low quiescent current, high efficiency and reliable output regulation, and short circuit protection. Other features include isolated metal case, wide input and output ripple range, excellent line/load regulation and high temperature operation.