FB20021-4B

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Common Mode Chokes are a type of electrical filter that serve to reduce the amount of undesired noise produced by electrical circuit devices. The FB20021-4B is a common mode choke specifically designed for use in applications involving high currents, high voltages, and low-inductance Coils. It is a necessary component for filtering out the harmful noise generated by some electronics devices.

The FB20021-4B is constructed using a pair of cores that are magnetically coupled and designed to look like a figure eight. This construction allows it to be used in a wide variety of applications, as both a differential-mode and common-mode filter. With its dual-core construction, the FB20021-4B offers superior performance in a wide range of applications as compared to other common-mode chokes.

The working principle of the FB20021-4B involves the use of two half-cores in a figure-eight configuration. The two half-cores create two opposing electromagnetic fields, which are used to reduce electromagnetic interference (EMI). These electromagnetic fields cause the two half-cores to behave like a transformer, with the input voltage being reduced and the output voltage being increased. This reduces EMI by reducing the amount of voltage transferred between the two halves of the FB20021-4B.

The FB20021-4B is commonly used in a variety of different applications. These include power supplies, communication systems, home entertainment products, and instrumentation. It is especially well suited to applications that require noise-reduction capabilities and high-speed filtering. In addition to providing noise-reduction capabilities, the FB20021-4B is typically designed with low-inductance Coils to allow for a higher current capacity and greater efficiency when compared to other common-mode chokes.

The FB20021-4B also provides a number of other benefits, such as reduced temperature rise, improved reliability, and lower EMI interference. It is also able to withstand harsh environmental conditions and is highly resistant to electromagnetic interference. In addition, the FB20021-4B is relatively inexpensive and is easy to install and maintain.

The FB20021-4B is a versatile and reliable common-mode choke that is suitable for a wide range of applications. It is constructed using a pair of cores in a figure-eight configuration, which provides superior filtering performance and reduced EMI. In addition, it is able to withstand harsh environmental conditions and is highly resistant to EMI. With its low-inductance Coils and low cost, the FB20021-4B provides excellent performance in a wide range of applications.

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