The Fair-Rite 2631181381 is a high-quality Ferrite Toroid Core designed for a wide range of electronic applications. Constructed from Material 63, this core provides excellent magnetic properties and performance. Its dimensions include an outer diameter (OD) of 11.8mm, an inner diameter (ID) of 7.3mm, and a height (Ht) of 4.5mm. This toroid core is suitable for use in inductors, transformers, and other magnetic components. As an authorized distributor of Fair-Rite products, Supreme Components International ensures you receive genuine, reliable components. Choose the 2631181381 for your next project and experience superior performance.