... : 13mm,H:9mm 2.Used for inductors High permeability toroidal core for inductors and transformers:Specifications:1.Shape:Toroidal shape2 ... free RoHS compliant5.Advantages: a. diversified product, b. High quality, c. Best price, d. Small order accepted6 ... technical staffd) Pass the ISO9001, RoHS certificationApplications:Mainly used for industry of computer, communication, multi-media, automotive, green ...