TracoPower TEN 15WI Series 15W DC-DC Converters – TracoPower TEN 15-4812WI, The TracoPower TEN 15WI series of DC-DC converters have an ultra-wide 4:1 input range, an input filter in accordance with EN 55022 and an extended operating temperature range. SMD design with use of ceramic chip capacitors guarantees high reliability. TracoPower TEN 15-4812WI 15W DC-DC Converter 18 -75V DC In 12V DC 1250mA Out