Tracopower tes 2n series 2w dc dc converters tracopower tes 2n 2421 these tracopower tes 2n series dc dc converters have a low profile smd package wide 21 input range input filter to en 55022 class a and fcc level a continuous short circuit protected and are suitable for use wherever isolated tightly regulated voltages are required tracopower tes 2n 2421 2w dc dc converter 18 36v dc in 5v dc 200ma out