The 5977011121 TOROID CORE, manufactured by FAIR-RITE, is a high-quality ferrite core designed for a wide range of electronic applications. This uncoated core is made from 77 material, known for its excellent magnetic properties and performance characteristics. Supreme Components International, an authorised distributor of FAIR-RITE components, ensures that you receive a genuine and reliable product. Toroid cores are commonly used in inductors, transformers, and filters due to their ability to provide high inductance with fewer turns of wire. The 5977011121 offers superior performance in applications requiring efficient energy storage and low electromagnetic interference. Trust Supreme Components International for all your FAIR-RITE component needs, with competitive pricing and reliable service.