The FAIR-RITE 431164951 is a high-quality Toroid Core made from #64 ferrite material. Supreme Components International is an authorised distributor of FAIR-RITE electronic components, ensuring you receive a genuine product. Toroid cores are widely used in electronic circuits due to their superior magnetic properties. Their closed-loop design minimizes flux leakage, resulting in lower EMI and higher efficiency compared to other core shapes. This core is suitable for applications such as power supplies, inverters, and filters. Choose FAIR-RITE and Supreme Components International for reliable performance and exceptional quality in your electronic designs. This core is ideal for winding your own inductors and transformers.