The FAIR-RITE 5978003821 is a high-quality Ferrite Toroid Core designed for optimal performance in a range of electronic circuits. Constructed from Material 78, this core offers excellent magnetic properties, including high permeability and low core loss, making it suitable for applications such as inductors, transformers, and filters. Its toroidal shape provides a closed magnetic path, minimizing electromagnetic interference (EMI). The core's dimensions are 38.1mm outer diameter (OD), 22.2mm inner diameter (ID), and 12.7mm height (H). As an authorised distributor of FAIR-RITE components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 5978003821 for reliable and efficient performance in your electronic designs.