... 13mm,H:9mm 2.Used for inductors High permeability toroidal core for inductors and transformers:Specifications:1.Shape:Toroidal ... technical staffd) Pass the ISO9001, RoHS certificationApplications:Mainly used for industry of computer, communication, multi-media, automotive, ... green lighting, office automationBe able to design and manufacturing under customer's special request.Mainly exported ...