The Fair-Rite 5977001621 is a high-quality toroid core made from 77 material. This ferrite core is designed for a wide range of applications, including inductors, transformers, and chokes. Its key specifications include an inductance factor (A_L) of 16.2 nH/N², an outer diameter (OD) of 16.51mm, an inner diameter (ID) of 9.53mm, and a height (H) of 6.35mm. The 77 material offers excellent performance characteristics for various frequency ranges. This toroid core provides a reliable and efficient solution for your magnetic component needs. Supreme Components International is an authorised distributor of Fair-Rite products, ensuring you receive genuine and high-quality components. Choose the 5977001621 for your next project and experience the Fair-Rite advantage.