Mn-Zn Soft Ferrite Cores / ED Ferrite Core 1.High frequency and low-loss 2.Guarantee/ ... 3.PC40 Grade 4.Soft Mn-Zn Soft Ferrite Cores / ED Ferrite Core Key Specifications/Special Features:Types:Suitable for transformers ... and chokesEE, EF, EI, ER, ED, EC, ETD, ET and FT series ferrite coresHigh frequency and ...