The 5977002721 is a high-quality Toroid Core manufactured by FAIR-RITE, a leading name in ferrite technology. Supreme Components International, as an authorised distributor, ensures you receive a genuine product directly from the manufacturer. This core is made from FAIR-RITE's 77 material, known for its excellent performance characteristics in a wide range of frequencies. Toroid cores are commonly used in inductors, transformers, and noise filters due to their efficient magnetic flux containment. The 5977002721 offers superior performance in applications requiring high inductance and low core loss. Its toroidal shape minimizes electromagnetic interference (EMI), making it suitable for sensitive electronic circuits. Trust Supreme Components International for all your FAIR-RITE component needs.