The FAIR-RITE 9578282802 is a TOROID CORE made of NI-ZN, utilizing the 78 material. Supreme Components International is an authorised distributor of FAIR-RITE electronic components, ensuring you receive a genuine and reliable product. This ferrite core is specifically designed for applications requiring high impedance and low core loss. Its dimensions are A=22.9mm, B=14.0mm, and H=9.5mm. Toroid cores offer excellent magnetic properties and are commonly used in inductors, transformers, and filters. Benefit from superior performance and consistent results with this FAIR-RITE core. Trust Supreme Components International for all your electronic component needs.