The Fair-Rite 2944777721 is a high-quality Ferrite Toroid Core, available through Supreme Components International, an authorised distributor. This core is constructed from Material 44, known for its excellent performance characteristics in a wide range of frequencies. Its dimensions include an outer diameter (OD) of 7.77mm, an inner diameter (ID) of 4.75mm, and a height (H) of 3.18mm. Toroid cores are favored for their ability to contain magnetic flux within the core material, minimizing electromagnetic interference (EMI) and maximizing inductance. This makes the 2944777721 suitable for applications such as inductors, transformers, and filters in power supplies, signal processing circuits, and communication systems. Trust Supreme Components International for reliable and authentic Fair-Rite components.