The Fair-Rite 5943000521 is a solid ferrite core, meticulously crafted from Material 43, offering exceptional performance in a compact form factor. With outer diameter of 9.4mm, inner diameter of 4.75mm, and a height of 3.18mm, this core is ideal for applications demanding effective EMI suppression and efficient inductive components. Supreme Components International, an authorised distributor of Fair-Rite products, guarantees the authenticity and quality of this ferrite core. Material 43 ensures optimal performance across a wide frequency range. This core is perfect for use in transformers, inductors, and other magnetic components. Choose the 5943000521 for reliable and consistent results in your electronic designs. Trust Supreme Components International for all your Fair-Rite component needs.