API Delevan is a leading manufacturer of high-performance electronic components and assemblies. With a rich history spanning over 70 years, the company specializes in the design, development, and production of precision-engineered inductors, chokes, coils, and custom magnetic devices. API Delevan's products find applications in various industries, including aerospace, defense, telecommunications, medical, and industrial automation. The company's commitment to quality and innovation has resulted in the development of advanced technologies and manufacturing processes that ensure reliable and consistent performance. API Delevan's state-of-the-art facilities and experienced engineering team allow for the production of customized solutions that meet the unique requirements of its customers. The company's dedication to customer satisfaction extends beyond product excellence, as it also offers comprehensive technical support and value-added services. API Delevan's reputation as a trusted partner is built on its ability to deliver high-quality components and assemblies that meet stringent industry standards. With a focus on continuous improvement and staying at the forefront of technological advancements, API Delevan remains committed to providing innovative solutions that enable its customers to succeed in their respective markets.
A common mode choke is an essential electrical filter that effectively blocks high-frequency noise, which is commonly present on two or more data or power lines. It selectively allows the desired DC or low-frequency signal to pass through while attenuating the unwanted common mode (CM) noise current. CM noise current often originates from various sources, such as unwanted radio signals, unshielded electronics, inverters, and motors. These sources can generate electromagnetic radiation that couples with the data or power lines, resulting in interference problems within electronic and electrical circuits. If left unfiltered, this noise can disrupt or degrade the performance of sensitive electronic devices. The common mode choke works by utilizing a magnetic core, typically made of ferrite material, and winding the affected lines around it. The windings are designed in such a way that they create opposing magnetic fields when the CM noise current flows through them. This opposing magnetic field effectively cancels out the CM noise, preventing it from propagating further along the lines. By blocking the CM noise, the common mode choke helps maintain signal integrity and reduces the potential for interference in electronic circuits. It is particularly effective in applications where noise rejection is critical, such as in communication systems, power supplies, data transmission lines, and audio/video equipment. In summary, a common mode choke serves as an electrical filter that selectively blocks high-frequency common mode noise while allowing the desired signals to pass through. By mitigating interference problems caused by CM noise, these chokes play a crucial role in ensuring reliable and high-performance operation of electronic and electrical circuits.