The Fair-Rite 446173551 is a Ferrite Toroid Core, a crucial component in numerous electronic circuits. Supreme Components International, an authorised distributor of Fair-Rite, provides this high-quality core for your design needs. This toroid core is constructed from Material 61, known for its excellent performance characteristics in a wide frequency range. Its dimensions include an outer diameter (OD) of 7.37mm, an inner diameter (ID) of 3.56mm, and a height (Ht) of 3.18mm. These cores are commonly used in inductors, transformers, and other magnetic components. Choose Fair-Rite for reliable performance and Supreme Components International for guaranteed authenticity and support.