The Fair-Rite 2661540002 is a high-quality Ferrite Toroid Core, available through Supreme Components International, an authorised distributor. This core is made from Material 61, known for its excellent performance in a wide frequency range. Its dimensions include an outer diameter (OD) of 15.49mm, an inner diameter (ID) of 9.53mm, and a height (H) of 4.75mm. Toroid cores like the 2661540002 are commonly used in applications such as inductors, transformers, and EMI/RFI filters. The toroidal shape provides a closed magnetic path, minimizing flux leakage and improving efficiency. Fair-Rite's Material 61 ensures optimal performance in various circuit designs. Trust Supreme Components International for your Fair-Rite component needs.