The FAIR-RITE 9877000104 is a high-quality Ferrite Toroid Core, available at Supreme Components International, an authorised distributor of FAIR-RITE electronic components. This core is constructed from Material 77, known for its excellent performance in a wide frequency range. Its dimensions include an outer diameter (OD) of 12.7mm, an inner diameter (ID) of 7.62mm, and a height (H) of 4.75mm. Toroid cores like the 9877000104 are commonly used in applications such as inductors, transformers, and EMI/RFI filters. Their closed-loop design minimizes flux leakage, resulting in higher efficiency and reduced electromagnetic interference. The Material 77 composition provides optimal performance for various power and signal applications. Trust Supreme Components International for your FAIR-RITE component needs.