The FAIR-RITE 4278453509 is a high-performance TOROID CORE designed for a wide range of electronic applications. Constructed from #78 material, this core offers excellent magnetic properties. Its dimensions include a 4.57mm inner diameter (ID), a 7.87mm outer diameter (OD), and a 5.08mm height (HT). Toroid cores are known for their efficient magnetic flux containment, minimizing electromagnetic interference (EMI). This makes them suitable for applications such as power supplies, inverters, and filters. As an authorised distributor of FAIR-RITE components, Supreme Components International guarantees the authenticity and quality of this product. Choose the 4278453509 for reliable performance in your electronic designs. Benefit from superior performance and durability with this FAIR-RITE ferrite core.