The Fair-Rite 2743014221 is a high-performance Toroid Core designed for a wide range of electronic applications. Manufactured from Material 43, this ferrite core offers excellent magnetic properties and is ideal for use in inductors, transformers, and other magnetic components. Its toroidal shape ensures efficient magnetic flux containment, minimizing electromagnetic interference (EMI) and improving overall circuit performance. The core's dimensions are A=14.5mm, B=9.3mm, and H=4.75mm. As an authorized distributor of Fair-Rite components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 2743014221 for reliable and consistent performance in your electronic designs. This ferrite core is suitable for applications requiring high permeability and low core loss.