The Fair-Rite 4077485111 is a high-quality 77 Material Toroid Core designed for optimal performance in a range of electronic circuits. With dimensions of A = 12.7 mm, B = 7.3 mm, and H = 4.8 mm, this ferrite core is suitable for applications requiring efficient magnetic properties. Toroid cores are known for their ability to confine magnetic flux, minimizing electromagnetic interference (EMI). This component is ideal for use in inductors, transformers, and other magnetic devices. As an authorized distributor of Fair-Rite products, Supreme Components International guarantees the authenticity and quality of this toroid core. Choose the 4077485111 for reliable and consistent performance in your electronic designs.