55-CBSA-4.5X4.75X0.5

Series:	50-CBS
Packaging:	Bulk
Part Status:	Active
Type:	Shield, 2-Piece
Height - Overall:	0.500" (12.70mm)
Length - Overall:	4.750" (120.65mm)
Width - Overall:	4.500" (114.30mm)
Ventilation:	Vent Holes in Pattern
Mounting Type:	Through Hole

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Introduction

The RF shield, also referred to as a RF box, is an enclosure made of metal allows the designer to create a shielding effect for an electronic equipment and components. RF shields provide protection from electromagnetic interference caused by wireless devices, radio signals, etc. They are designed to absorb and dissipate energy while simultaneously blocking interference from the inside. The designation 55-CBSA-4.5X4.75X0.5 indicates a particular type of RF shield designed for a specific application. This article will discuss the application field and inner working principles of the 55-CBSA-4.5X4.75X0.5 RF shield.

Application Field

In general, the 55-CBSA-4.5X4.75X0.5 shield is meant for digital signal processing applications. It can be used to protect sensitive components from reacting with external interference from sources such as cellular phones, microwave ovens, and wireless LANs.It is especially useful in the automotive industry, where it can be used to protect on-board electronic systems and components from interference signals generated by the car’s internal electronics. For example, the shield can be used to protect engine control units and net cabling from disturbances caused by radio transmissions.Moreover, the 55-CBSA-4.5X4.75X0.5 shield can also be used in the healthcare equipment such as pacemakers and insulin pumps due to its high efficiency rate in blocking out external electromagnetic interference. In this respect, the shield can be used to protect crucial microelectronic components from malfunctioning.

Working Principle

The 55-BSCA-4.5X4.75X0.5 RF shield is designed with an interior 3-dimensional structure that utilizes a combination of different electromagnetic absorbers and conductive materials.The first layer consists of an absorber layer that absorbs industrial specification frequencies up to 6 GHz and absorbs different frequencies as frequency increases. This layer is what protects the interior components from outside interference, which could potentially affect the performance of the device.The second layer is a conductive material layer, which consists of two layers of conductive material, one on the inside of the shield and one on the outside. This layer works on the principle of passive shielding, which means it reflects the outside frequencies and ensures that they cannot penetrate the shield. The reflection of electromagnetic waves is what enables the shield to be effective in blocking interfering electromagnetic frequencies. The third layer is made of copper or silver-plated copper foil, which provides electrical shielding for the unit. This layer prevents higher frequency waves from entering or leaving the shield and thus prevents interference with other nearby equipment.In this way, the 55-CBSA-4.5X4.75X0.5 RF shield provides protection against electromagnetic interference and can be used in a wide variety of applications where protection from external electromagnetic signals is important.

Conclusion

The 55-CBSA-4.5X4.75X0.5 RF shield is designed to provide efficient protection against external electromagnetic signals. It consists of three layers, each layer making use of different properties to provide protection. The first layer absorbs incoming interference; the second layers reflects incoming interference and the third layer prevent interference from entering or leaving the shield. As such, this shield can be used in a variety of applications, such as in the automotive and healthcare industries, where protection from outside interference is essential.

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