20-CBSA-3.5X5.5X0.2

Series:	20-CBS
Part Status:	Active
Type:	Shield, 2-Piece
Height - Overall:	0.200" (5.08mm)
Length - Overall:	5.500" (139.70mm)
Width - Overall:	3.500" (88.90mm)
Ventilation:	Non-Vented
Mounting Type:	Surface Mount

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RF Shields Application Field and Working Principle

RF shields are electronic components that are used to protect sensitive electronic components from electromagnetic interference (EMI). They are widely used in aerospace, military, telecommunications, and consumer electronics industries. The purpose of RF shielding is to create a physical barrier between the EMI source and the sensitive electronics, thus preventing EMI from entering the system or vice versa.RF shields are typically constructed from two pieces of metal connected together. The outer metallic layer is the shielding material which guards against external EMI. The inner metallic layer is the ground plane which absorbs any internal EMI. The RF shield acts as a shield between electromagnetic fields and the component it is protecting, thus reducing the amount of EMI that can enter the system or sensitive electronics.The specific application of a RF shield is determined by the type and extent of EMI protection required. For example, if the system requires only basic protection, a simple RF shield can be used. But if greater protection is needed, then a more complex RF shield can be used.The 20-CBSA-3.5x5.5x0.2 RF shield is a metal casing which is used to provide EMI protection up to a particular frequency. It consists of two layers of metallic strips in the shape of a 5.5 x 3.5 inch box with an outside thickness of 0.2 inch. The RF shield has a high shielding effectiveness, meaning it is able to reduce the amplitude of externally generated EMI to an acceptable level.The working principle behind the 20-CBSA-3.5x5.5x0.2 RF shield is simple. Its two metal layers act as a Faraday cage, redirecting EMI away from the component it is protecting. The metal cage is lined with a conductive material to reduce the chances of EMI entering the system. As the EMI enters the shield, it is redirected to the ground plane where it is dissipated and rendered harmless. The strength of the shield is determined by the type and amount of metal used in its construction.RF shielding is a necessary requirement in many areas, including the aerospace, military, and telecommunication fields. The 20-CBSA-3.5x5.5x0.2 RF shield is a reliable and affordable way of providing EMI protection in a variety of applications. Its simple construction and strong shielding capabilities make it a perfect solution to many EMI protection scenarios.

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