Tracopower tmr 2 series 2w dc dc converters tracopower tmr 4812 these regulated 2w dc dc converters from the tracopower tmr 2 series are supplied in a miniature sil casing and have a wide 21 input range they are suitable for a wide range of applications in communication control units and industrial equipment tracopower tmr 4812 2w dc dc converter 36 75v dc in 12v dc 165ma out