ITEM NAME:5 pieces Micrometals Amidon T68-2 Iron Toroidal Core T-68-2 Toroid LJ Specifications Color: Red Material: Carbonyl iron powder Size: Outer diameter: 18mm Inside diameter:9mm Height: 5mm Features - High saturation magnetic flux density, able to work in a large current - Stable and reliable performance, effective permeability with excellent frequency characteristics - Has a high temperature characteristics - The annular structure has a very low electromagnetic radiation shielding materials savings, reducing the shielding requirements of the work Packing Included.Material: Carbonyl iron powder. 5xCarbonyl iron core. - The annular structure has a very low electromagnetic radiation shielding. - Has a high temperature characteristics. frequency characteristics.