CS20B4000

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Ferrite Cores - Cables and Wiring

Ferrites are electronic components that are widely used in a variety of applications. There are different types of ferrites, and one of them is the CS20B4000. In this article, we will explore what it is, what it is used for and how it works.

What Is CS20B4000?

CS20B4000 is a type of ferrite core specifically designed for high power applications. It is made of a powdered metallurgical ferrite material, and is commonly used in power cables, antenna baluns, and wireless power transfer applications. The core is made up of two thin, outer rings as well as an inner magnetically-polarized ring. It has a high specific saturation flux density of about 1.4 Tesla, making it ideal for high power applications.

Application Field

The CS20B4000 ferrite core is used in several different application fields. For instance, it can be used in power cables to reduce electromagnetic interference in the signal and provide better shielding from external electromagnetic fields. It is also used in antenna baluns, where the core helps to reduce common-mode noise in the transmission. Additionally, it is used in wireless power transfer and other high power applications where a large amount of current needs to be transferred without producing too much electromagnetic noise.

Working Principle

The working principle of the CS20B4000 ferrite core is based on the principle of induction. When the core is exposed to a varying current, the inner magnetically-polarized ring creates a magnetic field which induces a circulating current in the outer rings. This current produces an opposing electromagnetic field that counters the flux generated by the incoming current. This reduces the current’s magnetic field and thus its electromagnetic interference.

The core also works to reduce capacitively-coupled noise in cables. When two conductors of a cable, such as the power lines, are close together, the core works to reduce their capacitive coupling. This reduces the amount of unwanted current that can flow through the cable and thus reduce related noise.

Conclusion

The CS20B4000 ferrite core is a type of component specifically designed for high power applications. It is made up of a powdered metallurgical ferrite material, and is used in power cables, antenna baluns, and wireless power transfer applications. The core works by inducing a circulating current in the outer rings that counters the magnetic field of the incoming current. It also works to reduce capacitively-coupled noise in cables. With these features, the CS20B4000 ferrite core is an excellent choice for various applications that require high power capabilities with low electromagnetic interference.

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