The Fair-Rite 444164181 is a Ferrite Toroid Core, a crucial component in numerous electronic circuits. Supreme Components International is an authorised distributor of Fair-Rite, ensuring you receive genuine, high-quality parts. This toroid core, made from Material 44, offers excellent performance in applications such as inductors, transformers, and noise filters. Its toroidal shape provides a closed magnetic path, minimizing flux leakage and maximizing inductance. The core's dimensions are: Outer Diameter (OD) 16.4mm, Inner Diameter (ID) 9.65mm, and Height (H) 4.75mm. Material 44 is a versatile ferrite material suitable for a broad frequency range. Trust Supreme Components International for your Fair-Rite component needs.