The TMR 3WIR Series from Traco Power are DC-DC Converters that convert input voltage of 9-160 VDC to output voltage of 3.3-15 VDC. They deliver a regulated output power of 3 W and achieve an efficiency of up to 83%. These EN 50155-approved converters feature 3000 VDC input-output isolation voltage for enhanced safety and noise immunity. They include continuous short-circuit protection and current limitation, while offering a convenient external control feature. These RoHS-compliant converters are available in through-hole packages that measure 21.8 x 15.3 mm and are suitable for railway applications.