The FAIR-RITE 4278282509 is a high-quality Toroid Core designed for a wide range of electronic applications. Made from #78 material, this ferrite core offers excellent performance and reliability. Its dimensions include a 27.94mm outer diameter, a 14.22mm inner diameter, and an 11.1mm height. Toroid cores are commonly used in inductors, transformers, and filters due to their efficient magnetic properties and self-shielding characteristics. This particular core is suitable for applications requiring stable inductance and minimal electromagnetic interference. Supreme Components International is an authorised distributor of FAIR-RITE components, ensuring you receive a genuine product backed by our commitment to quality and customer satisfaction. Trust Supreme Components International for all your electronic component needs.