20-CBSA-2.0X4.0X0.2

Series:	20-CBS
Part Status:	Active
Type:	Shield, 2-Piece
Height - Overall:	0.200" (5.08mm)
Length - Overall:	4.000" (101.60mm)
Width - Overall:	2.000" (50.80mm)
Ventilation:	Non-Vented
Mounting Type:	Surface Mount

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RF Shields: Overview

Radio Frequency (RF) shields are shields specifically used to block or reduce the transmission and reception of electromagnetic signals. While there are many different types of shields available, the 20-CBSA-2.0X4.0X0.2 is a particularly popular choice for its low-cost and ability to provide a reliable level of isolation.

20-CBSA-2.0X4.0X0.2 Application Field and Working Principle

The 20-CBSA-2.0X4.0X0.2 RF shield is a type of Faraday cage that is designed to provide reliable complete wave-guiding and electromagnetic field blocking. It is suitable for applications such as hospitals, military, and industrial applications, where sensitive RF equipment must be protected from electromagnetic interference (EMI). The 20-CBSA-2.0X4.0X0.2 is based on a Faraday cage, which relies on an insulated mesh to block, absorb, or reflect electromagnetic signals. The mesh is composed of very thin aluminum strips that are spaced evenly across the cage to create a barrier that is electrically conductive. When an RF signal is introduced, the electric field created will cause the metal strips to vibrate, dissipating the wave and creating a field that is unable to penetrate the shield. The 20-CBSA-2.0X4.0X0.2 RF shield is particularly effective because of its high shielding effectiveness and low-cost. It is able to provide up to 90 dB of attenuation from 0.2 to 10GHz, which is equivalent to a 50 mil thick aluminum sheet. In addition, its form factor makes it easy to install in a variety of environments, and its low cost makes it an attractive choice for businesses looking to protect their sensitive equipment.

Conclusion

The 20-CBSA-2.0X4.0X0.2 RF shield is an effective way to protect sensitive RF equipment from EMI. It provides up to 90 dB of attenuation, which is equivalent to a 50 mil thick aluminum sheet, and it is low-cost and easy to install. Its usefulness makes it a popular choice for RF designers looking for reliable EMI protection.

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