The Fair-Rite 4077296011 is a high-quality Toroid Core, manufactured using Fair-Rite's 77 material. This core is designed for optimal performance in a variety of applications, including inductors, transformers, and chokes. Its toroidal shape provides excellent magnetic properties and minimizes electromagnetic interference (EMI). The core's dimensions are A = 11.3 mm (outer diameter), B = 6.35 mm (inner diameter), and H = 4.75 mm (height). The 77 material offers a good balance of permeability and core loss, making it suitable for a wide range of frequencies. As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 4077296011 for reliable and efficient performance in your magnetic component designs.