The 2643180351 is a FAIR-RITE manufactured Toroid Core, available through Supreme Components International, an authorised distributor of electronic components. This ferrite core, belonging to the FERRITE CORE and TOROID CORE subcategories, is crafted from 43 material and features an uncoated finish. Toroid cores are widely used in electronics for their efficient magnetic flux containment, minimizing electromagnetic interference (EMI). This particular core is well-suited for applications such as inductors, transformers, and chokes. Its compact size and high permeability make it an excellent choice for power supplies, filters, and other circuits where space and performance are critical. The 43 material offers a good balance of permeability and core loss, making it suitable for a wide range of frequencies. Trust Supreme Components International for genuine FAIR-RITE components.