1EE13 transformer bobbin 2.bobbin|transformer bobbin|coil bobbin 3bobbin material:phenolic 4supply the matched ferrite core bobbin|transformer bobbin|plastic bobbin|ferrite bobbin|coil bobbinbobbin range: EE,EF,EFD,EPC,EC,EER,ER,PQ,UU,RM Advantage:1.We can supply the bobbin with matched core.2.Can be custom-made as client's specific requirement.3.Supply with the service of grind air-gap.4.Offer ...