The FAIR-RITE 4078377511 is a high-quality 78 material toroid core, available at Supreme Components International, an authorised distributor of FAIR-RITE electronic components. This ferrite core is specifically designed for applications requiring efficient magnetic properties, such as inductors, transformers, and EMI/RFI filters. The toroid shape provides a closed magnetic path, minimizing flux leakage and maximizing inductance. The 78 material offers a specific permeability and frequency response, making it suitable for a range of applications. Its robust construction ensures reliable performance in demanding environments. Choose FAIR-RITE for superior quality and performance in your electronic designs. Supreme Components International guarantees authenticity and reliable supply.