The Fair-Rite 5943000221 is a high-quality Ferrite Toroid Core, meticulously crafted for optimal performance in a wide range of electronic circuits. Supreme Components International, an authorised distributor of Fair-Rite, provides this core with guaranteed authenticity and reliability. Constructed from Material 43, this toroid core offers excellent magnetic properties, making it suitable for applications such as inductors, transformers, and EMI/RFI filters. Its precise dimensions of 9.4mm outer diameter, 4.75mm inner diameter, and 3.18mm height ensure compatibility with various circuit designs. Benefit from the superior performance and durability of Fair-Rite ferrite cores, available through Supreme Components International.