The Fair-Rite 4077272011 is a high-quality Toroid Core, manufactured using Fair-Rite's 77 material. This core is characterized by its specific dimensions: an outer diameter (OD) of 7.7mm, an inner diameter (ID) of 2.7mm, and a height (H) of 2.7mm. Toroid cores are widely used in electronic circuits for applications such as inductors, transformers, and chokes. The 77 material provides excellent performance characteristics, making it suitable for a range of frequencies and power levels. As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 4077272011 for reliable and efficient performance in your electronic designs.