The Fair-Rite 431173551 is a high-quality Ferrite Toroid Core, designed for optimal performance in a range of electronic circuits. Manufactured by Fair-Rite, a trusted name in magnetic components, this core boasts a Material 73 composition, ensuring excellent magnetic properties. Its dimensions include an outer diameter (OD) of 11.7mm, an inner diameter (ID) of 7.3mm, and a height (H) of 5.1mm. Supreme Components International is an authorised distributor of Fair-Rite, guaranteeing you receive a genuine product. This toroid core is commonly used in applications such as inductors, transformers, and noise filters. Its toroidal shape provides excellent magnetic flux containment, minimizing electromagnetic interference (EMI). Choose the 431173551 for reliable and efficient performance in your electronic designs.