Tracopower tep 100 series 100w dc dc converters tracopower tep 100 4818 the tracopower tep 100 series offers very powerful insulated dcdc converters with a wide 21 input voltage range in a robust shielded metallic casing the very high degree of efficiency permits a working temperature range of up to 60 c without reduction of output tracopower tep 100 4818 100w dc dc converter 36 75v dc in 48v dc 21a out