The Fair-Rite 2643801402 is a high-quality toroid core, ideal for creating custom inductors and transformers. Constructed from Material 43, this core provides excellent performance in a wide range of frequencies. Key specifications include an inductance factor (A) of 13.2nH/N^2 and an AL value of 33nH/N^2, allowing for precise inductance control. The core's dimensions are OD=6.35mm, ID=3.18mm, and H=3.18mm. This toroid core is commonly used in power supplies, filters, and other electronic circuits. As an authorized distributor of Fair-Rite, Supreme Components International ensures you receive genuine, reliable components. Benefit from consistent performance and optimal circuit design with this versatile ferrite core.