... made) 1.Air core inductors 2.Ferrite rod inductors 3.Fixed or adju Detailed Product DescriptionHigh frequency transformer: 1.ISO9001.. ... e-mail for quote:1.Specification inclouding bobbin,core dimensions and winding drawing,2.the quantity.High frequency transformer(EE,EI,ETD,PQ ... ,RM,EF,ETC)Full product range (custom made):1) Air core inductors2) Ferrite ...