The 2643540102 is a high-quality Toroid Core from FAIR-RITE, a leading manufacturer of ferrite components. Supreme Components International is an authorised distributor of FAIR-RITE, guaranteeing genuine parts and reliable service. This ferrite core is constructed from 43 material, known for its excellent performance characteristics in a wide range of frequencies. Toroid cores are widely used in inductors, transformers, and other magnetic components due to their efficient magnetic flux containment and low electromagnetic interference. The 2643540102 offers superior performance in applications requiring high inductance and low core loss. Trust Supreme Components International for all your FAIR-RITE component needs.