57-CBSA-3.75X6.0X0.5

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RF shields, also known as electromagnetic or radio frequency shielding, are an essential element of electronic components, circuitry, and systems. They are used to keep unwanted radio and electromagnetic interference from adversely affecting the desired signal and to protect against potential interference from sources outside the system. The 57-CBSA-3.75X6.0X0.5 is a special type of RF shield designed for specific applications.

The 57-CBSA-3.75X6.0X0.5 is a metal-coated polyester paperboard RF shield with a thickness of 0.5 millimeters. It offers excellent RF shielding performance, at frequencies ranging from 50 MHz to 8.5 GHz, with a shielding effectiveness of up to 90 dB. The low-copper-coated paperboard is ideal for use in highly shielded applications and is suitable for variable high and low permittivity applications. The 57-CBSA-3.75X6.0X0.5 also offers excellent mechanical flexibility.

The 57-CBSA-3.75X6.0X0.5 is most commonly used in applications such as mobile phones, cellular base stations, and satellite communications. It is also used in digital audio systems and computer systems, where high shielding effectiveness is needed to prevent electromagnetic interference (EMI) from distorting the desired signal. In addition, the shield is suitable for applications where the shielding must be low profile, such as laptop computers and other portable devices.

The working principle of the 57-CBSA-3.75X6.0X0.5 is based on the concept of electromagnetic shielding. In an electromagnetic shield, a conductive material is used to absorb, redirect, or dissipate the electric and magnetic fields, thus preventing them from getting into or out of an area. The shield uses a combination of copper-coated paperboard, polyester, and shielding materials to absorb or reflect the electromagnetic interference (EMI). When the fields are redirected or absorbed, the EMI is blocked from entering or exiting the shielded area.

The 57-CBSA-3.75X6.0X0.5 is an effective and reliable RF shield that offers excellent shielding performance, low profile, and excellent mechanical flexibility. It is suitable for a wide range of applications, including mobile phones, cellular base stations, digital audio systems, and computer systems. With its low attenuation and shielding effectiveness of up to 90 dB, the 57-CBSA-3.75X6.0X0.5 is the ideal choice for shielding against EMI.

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