The FAIR-RITE 5943001021 is a Toroid Core made from NI-ZN ferrite material. Its dimensions include a 9.4mm outer diameter, a 4.7mm inner diameter, and a height of 3.2mm. Toroid cores are widely used in electronics for their excellent magnetic properties and ability to confine magnetic flux, minimizing electromagnetic interference (EMI). This core is suitable for applications such as inductors, transformers, and filters. Supreme Components International is an authorized distributor of FAIR-RITE components, guaranteeing authenticity and quality. Choose this toroid core for reliable performance in your electronic designs. Its compact size and efficient magnetic characteristics make it a versatile choice for various applications.