The FAIR-RITE 9643001165 is a high-quality Toroid Core designed for various electronic applications. This ferrite core, made from 43 material, offers superior performance in inductors, transformers, and noise filters. Its toroidal shape ensures efficient magnetic flux containment, minimizing electromagnetic interference (EMI). The uncoated surface allows for direct winding and customization. Supreme Components International is an authorised distributor of FAIR-RITE components, ensuring you receive a genuine product with full manufacturer support. This toroid core is suitable for applications requiring high inductance, low core loss, and stable performance over a wide frequency range. Trust Supreme Components International for all your electronic component needs.