The Hammond 197J5 High Frequency Reactor is a robust component designed for a variety of applications demanding high-frequency performance. Featuring a high permeability core ideal for frequencies below 50KHz, this reactor offers a self-resonant frequency of 74.35KHz and a rugged construction with an aluminum base and stainless steel band. It's open-style terminal provides versatility in circuit design. Typical applications include power supplies, lighting ballasts, and other electronic circuits requiring efficient energy storage and filtering.