... ferrite cores, ee ferrite cores, ei type ferite cores, etd type ferite cores, ed type ferite cores, er type ferite cores, planar transformer cores from our factory. FERRITE ... ETD34, ETD44,ETD49 ■EFD TYPE CORES EFD10, EFD12.5, EFD15, EFD20, EFD25, EFD30 ■EC TYPE CORES EC28, EC35, EC43, ... EC39, EC54, EC59 ■EPC TYPE CORES EPC13, EPC15, EPC17, ...