Ferroxcube CLI-ETD39 is a range of high quality E-cores for use in inductors and transformers. The cores are made from high grade cold rolled GOSS grain oriented steel and provide good performance for inductors, transformers, common mode line chokes, and other components. The cores are designed for higher operating frequency applications. They have lower core losses, high saturation flux, good temperature stability, and excellent overall performance. The cores come in various packages so that they can be used for different applications.