The Fair-Rite 2773019447 is a Toroid Core designed for effective EMI suppression. Supreme Components International, an authorised distributor of Fair-Rite components, provides this core which is made from 77 material, offering superior performance in filtering unwanted electromagnetic noise. Toroid cores are known for their high efficiency and ability to confine magnetic fields, making them ideal for applications where minimizing interference is crucial. This core is commonly used in power supplies, filters, and other electronic circuits to improve signal integrity and reduce emissions. Choose the 2773019447 for reliable EMI suppression in your designs. Supreme Components International guarantees the authenticity and quality of this Fair-Rite product.