The Fair-Rite 5695181221 is a high-quality Ferrite Toroid Core, meticulously crafted for superior performance in a wide range of electronic applications. Manufactured by Fair-Rite, a trusted name in the industry, this core boasts exceptional magnetic properties thanks to its Material 69 composition. Its precise dimensions of 18.1mm outer diameter, 11.1mm inner diameter, and 5.1mm height ensure compatibility with various circuit designs. Supreme Components International is an authorised distributor of Fair-Rite, guaranteeing you receive a genuine product. This toroid core is perfect for applications requiring efficient energy storage and noise suppression. Choose the 5695181221 for reliable and consistent performance in your electronic projects.