Iron Nickel High Flux Powder Core Soft Magnetic Alloy Toroid Core Custom specification toroid cores with fast production lead times, designed for industrial magnetic applications requiring high permeability and precise performance characteristics. Technical Specifications Place of Origin China, Zhejiang Brand Name Careful Model Number T Type Soft Composite Materials Ferrite(MnZn / MgZn / NiZn)|Amorphous|Nanocrystalline|Powder Core(Sendust / MPP / High-Flux / Iron Powder)