... Introduction 1, UF ferrite core and UI ferrite core, these Soft ferrite shapes are available in lamination materials (for stacking), powdered ... -shielding is poor. 4, UF core, UI core and other U cores have two core legs. Coils can be placed over ... be used as split-core current transformers, output transformer core, line transformer core, liner filter and Inverter core. Customer's satisfaction is ...