20S-CBSASV-1.5X2.25X0.2

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RF shields have a wide range of applications in a variety of industries and their use is essential for the prevention of unwanted electromagnetic interference between systems. A popular RF shield is the 20S-CBSASV-1.5X2.25X0.2 which is designed to offer uniform absorption for frequencies between 1 and 18 GHz. The shield is constructed using five layers of closed-cell polyurethane foam and two layers of aluminum foil for enhanced absorption.

The layers are designed to provide an electromagnetic barrier by reflecting RF energy. The first four layers provide direct impingement shielding and the fifth layer seals the perimeter of the shield. The two layers of aluminum foil provide added protection and improved performance. The use of aluminum foil also helps to reduce the magnetic field leakage due to eddy currents.

The 20S-CBSASV-1.5X2.25X0.2 shield is ideal for a wide range of applications, including automotive, industrial, and medical devices. It is particularly useful for test and measurement applications, where precise levels of RF shielding are required. In addition, it can be used in many other applications where RF shielding is needed to protect sensitive electronics.

The working principle of the 20S-CBSASV-1.5X2.25X0.2 shield is based on a combination of two different RF absorption mechanisms. The first mechanism is direct impingement, which uses the tissue-like layers of foam to direct incident RF energy away from the target. The second mechanism, eddy currents, is created when the electromagnetic field passes through the parallel layers of aluminum foil, generating circulating currents in the material. This acts to absorb and dissipate the RF energy, reducing it to harmless levels.

In addition to its excellent shielding characteristics, the 20S-CBSASV-1.5X2.25X0.2 also offers a number of other benefits. It is easy to install and does not require an external source of power. It also offers superior thermal properties, allowing components to be more efficiently cooled.

Overall, the 20S-CBSASV-1.5X2.25X0.2 is an ideal solution for a wide range of applications where RF shielding is needed. It offers superior shielding performance, excellent thermal properties, and ease of installation. With its combination of absorption mechanisms, it is a highly effective RF shield that can effectively reduce RF interference in any environment.

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