The Fair-Rite 2743009112 is a high-quality Toroid Core, meticulously crafted from Material 43. Supreme Components International, an authorised distributor of Fair-Rite, provides this essential component for your electronic projects. This core features precise dimensions: A = 14.5 mm, B = 7.5 mm, and H = 5.1 mm. Toroid cores are widely used in inductors, transformers, and other magnetic components due to their efficient magnetic flux containment. Material 43 offers a good balance of permeability and core loss, making it suitable for a broad range of frequencies. Trust Fair-Rite and Supreme Components International for reliable performance and consistent quality in your designs. This ferrite core is perfect for applications requiring stable inductance and minimal electromagnetic interference.