for the design of SMPS transformers chokes.We offer various EER cores and ETD cores, including EER42, EER40, EER20, EER35, EER28, EER30, EER34, EER43, EER45,
EER50, EER49, EER25.5, EER55, EER54, EER53, ETD29, ETD34, ETD39, ETD49, ETD44, ETD10, ETD41...