21M-CBSA-1.0X2.25X0.225

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RF Shields

RF Shields (Radio Frequency Shields) are a type of shielding technology used to protect electronic components and systems from external electromagnetic interference (EMI). The 21M-CBSA-1.0X2.25X0.225 series is a popular shield and provides excellent EMI shielding in a range of industries.

Application Field

The 21M-CBSA-1.0X2.25X0.225 series is commonly used in many applications, especially in the aerospace and automotive industries, where EMI protection is key to maintaining sensitive communication systems. It is also used in the medical sector, for medical imaging systems, as well as in manufacturing, for industrial control systems. Additionally, the RF shield is used in military applications, such as missile guidance and flight control.

Working Principle

The RF shield is designed to reduce or prevent the effects of electromagnetic interference on electronics. This is achieved by creating a conductive barrier around the source of the interference, thus preventing the EMI from impacting other devices. The 21M-CBSA-1.0X2.25X0.225 series is made from a material with high conductivity, such as copper, and is designed with an open-ended construction, which allows for ventilation.

The material used in the RF shields acts as an efficient conductor of electrostatic charges, allowing the electrical energy to travel around the shield at high speed. This effectively creates an impenetrable barrier, preventing EMI from entering or leaving the shielded area. Additionally, the material used in the shields also provides thermal insulation, which helps to keep the temperature of the electronics protected from extreme temperatures.

In order for the RF shield to be effective, it must be connected to the ground, which removes any residual static energy, as well as electromagnetic energy that may be present around the shielded component. This also helps to improve the shielding efficiency as any leaking EMI will be conducted away from the source and prevented from entering the shielded area.

Conclusion

The 21M-CBSA-1.0X2.25X0.225 series is an effective RF shield for many applications, providing excellent EMI protection for sensitive components and systems. By utilising high-conductivity material, it effectively creates an impenetrable barrier against EMI, thus protecting the device and its surrounding environment. Additionally, by connecting the RF shield to the ground, any residual static energy is removed and the shielding efficiency is improved.

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