Toroidal chokes for dimmer noise suppression white label 5344 47 lfr a 103mh toroidal choke that has an iron powder core that provides the permeability and magnetic saturation characteristics required for effective noise suppression suitable for use in filter chokes for thyristor and triac circuits light dimmers rotation speed adjusters etc white label 5344 47 lfr toroidal chokes inductivity 103 mh 250 vac 6 a