Tracopower ten 15 series 15w dc dc converters tracopower ten 15 1211 these 15w dc dc converters from the tracopower ten 15 series offer a wide 21 input range a very high degree of efficiency a built in input filter according to en55022 and a wide operating temperature range these converters are ideal for use in battery operated equipment and anywhere where isolated tightly regulated voltages are required tracopower ten 15 1211 15w dc dc converter 9 18v dc in 5v dc 3000ma out