The Fair-Rite 2522181818Y5 is a Ferrite Toroid Core designed for optimal performance in a range of electronic circuits. Constructed from Material 78, this core offers excellent magnetic properties. Key specifications include an outer diameter of 22.1mm, an inner diameter of 13.7mm, and a height of 8.1mm. Toroid cores are known for their efficient magnetic flux containment, minimizing electromagnetic interference (EMI). This makes them suitable for applications such as inductors, transformers, and filters. As an authorized distributor of Fair-Rite products, Supreme Components International guarantees the authenticity and quality of this ferrite core. Trust SCI for your component needs.