The FAIR-RITE 5977001301 is a high-quality toroid core made from #77 material ferrite. Supreme Components International is an authorised distributor of FAIR-RITE electronic components, ensuring you receive genuine parts. Toroid cores offer superior performance compared to other core shapes due to their closed-loop magnetic path, minimizing electromagnetic interference (EMI) and maximizing inductance. This ferrite core is suitable for a wide range of applications, including power supplies, filters, and signal transformers. Its #77 material composition provides excellent permeability and low core loss at higher frequencies. Consider this toroid core for your next project requiring efficient and reliable magnetic components. Check our inventory for immediate availability and competitive pricing.