The Fair-Rite 5943004921 is a ferrite core in the form of a solid round rod. Manufactured from Material 43, this core offers excellent performance in a variety of applications. With a diameter of 9.53mm and a length of 25.4mm, it's suitable for use in inductors, transformers, and EMI filters. The Material 43 composition provides a good balance of permeability and saturation flux density. Supreme Components International is an authorised distributor of Fair-Rite products, ensuring you receive a genuine, high-quality component. This ferrite core is designed to meet demanding performance requirements and is a reliable choice for your electronic designs. Choose Supreme Components International for your ferrite core needs.