The 5943005101 is a Toroid Core from FAIR-RITE, a leading manufacturer of ferrite components. Supreme Components International is an authorised distributor of FAIR-RITE, ensuring you receive genuine, high-quality products. This toroid core is constructed from #43 material, a popular choice due to its excellent balance of permeability and core loss characteristics. The uncoated design allows for direct winding and optimal thermal performance. Toroid cores are widely used in inductors, transformers, and chokes for power supplies, filters, and other electronic circuits. Their closed-loop magnetic path minimizes electromagnetic interference (EMI) and provides superior inductance compared to other core shapes. Choose the 5943005101 for reliable performance in your next project.