The Fair-Rite 444177081 is a high-quality Ferrite Toroid Core, available through Supreme Components International, an authorised distributor. This core is designed for a wide range of applications, including inductors, transformers, and noise filters. Its Material 44 composition provides excellent performance characteristics. Key specifications include an outer diameter (OD) of 7.7mm, an inner diameter (ID) of 4.75mm, and a height (H) of 3.18mm. These dimensions make it suitable for compact designs. Ferrite toroid cores offer superior performance compared to other core types due to their closed-loop magnetic path, which minimizes flux leakage and maximizes inductance. Choose Fair-Rite for reliable and efficient magnetic components.