... free RoHS compliant 3.Good after sale service Magnetic ring:Specifications:1.Material:Ferrum,Nickle,Aluminium/Ferrum,Silicon,Aluminium2.Inductance ... demands.3.The products are made of the high quality magnetic material which is wide band ,wide temperature and high impendence4 ... .Working temperature:-55°C to 125°CFeatures:1.Outstanding magnetic property, low power loss, high flux density,good ...