The Fair-Rite 2661801802 is a high-quality Ferrite Toroid Core, available through Supreme Components International, an authorised distributor of Fair-Rite components. This core is constructed from Material 61, known for its excellent performance characteristics in a wide frequency range. Its toroidal shape ensures efficient magnetic flux containment, minimizing electromagnetic interference (EMI). The core's dimensions are 18.0mm outer diameter (OD), 10.0mm inner diameter (ID), and 5.0mm height (H). This makes it suitable for applications such as power inductors, signal transformers, common mode chokes, and noise filters. The 2661801802 offers superior performance and reliability for demanding electronic designs. Choose Supreme Components International for guaranteed authenticity and reliable supply.