The Fair-Rite 444173551 is a high-quality Ferrite Toroid Core designed for a wide range of applications, including power supplies, filters, and inductors. Supreme Components International is an authorised distributor of Fair-Rite, ensuring you receive genuine components. This toroid core is made from Material 44, known for its excellent performance characteristics in suppressing electromagnetic interference (EMI) and radio frequency interference (RFI). Its dimensions include an outer diameter (OD) of 17.3mm, an inner diameter (ID) of 9.5mm, and a height (H) of 5.1mm. The toroid shape provides a closed magnetic path, minimizing flux leakage and maximizing inductance. Choose this core for reliable and efficient performance in your electronic designs.