The Fair-Rite 6278370121 is a Toroid Core crafted from Material 78, offering excellent magnetic properties for a range of electronic applications. Supreme Components International is an authorised distributor of Fair-Rite, guaranteeing the authenticity and quality of this component. This core features dimensions of A = 14.5 mm, B = 7.5 mm, and H = 5 mm. Toroid cores are commonly used in inductors, transformers, and chokes due to their efficient magnetic flux containment. Material 78 provides a specific permeability suitable for various frequency ranges. Choose this Fair-Rite toroid core for your next project requiring reliable and consistent performance. Benefit from our expertise and fast shipping.