The 199000030 is a high-quality solid round rod ferrite core from FAIR-RITE. Supreme Components International is an authorised distributor of FAIR-RITE, ensuring you receive genuine components. This ferrite core is made from NI-ZN material, known for its excellent performance in high-frequency applications. The solid round rod design provides consistent magnetic properties and is suitable for a wide range of applications, including inductors, transformers, and EMI filters. Its robust construction ensures long-lasting reliability. Choose FAIR-RITE for superior performance and quality. Contact Supreme Components International for all your ferrite core needs.