25-CBSA-3.5X4.5X0.225

Series:	20-CBS
Part Status:	Active
Type:	Shield, 2-Piece
Height - Overall:	0.225" (5.72mm)
Length - Overall:	4.500" (114.30mm)
Width - Overall:	3.500" (88.90mm)
Ventilation:	Non-Vented
Mounting Type:	Surface Mount, Through Hole

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Introduction

25-CBSA-3.5X4.5X0.225 RF shields are specifically designed to provide protection against electromagnetic interference (EMI) and radio frequency interference (RFI) in a variety of applications. The term "25-CBSA-3.5X4.5X0.225" refers to the physical size of the shield, with its internal shield cavity measuring 3.5 X 4.5 X 0.225 inches. RF shields are used in a variety of applications, including connector designs, device packaging, telecom systems, RF communication systems, and industrial equipment. They are also used in the automotive, military, medical, and aerospace industries.

Application field

25-CBSA-3.5X4.5X0.225 RF shields are used to provide EMI/RFI protection to a variety of applications. These shields are designed to be effective in providing protection against interference from both low and high frequencies. They are also highly effective in controlling the environment for power and data cable connectors. This product is typically used in places where EMI and RFI interference may occur, such as near mobile phone towers, high voltage cable lines, power supply sources, and military installations. The size of the shield allows it to be easily mounted on a variety of surfaces, including walls and ceilings, providing a barrier against the EMI/RFI interference.

Working principle

25-CBSA-3.5X4.5X0.225 RF shields operate on the principle of "Faraday cage". The Faraday cage is a metallic enclosure used to protect against electromagnetic fields. It works by reflecting the electromagnetic fields, and thus preventing the build-up of EMI/RFI.The 25-CBSA-3.5X4.5X0.225 RF shield contains an inner wall of conductive material that forms the Faraday cage, with the inner cleat for support. The outer coating of the shield is made of a dielectric material. This dual-layer structure of the shield helps to absorb and reflect electromagnetic energy, providing a high level of protection.The inner wall of the shield acts as a conductor. It absorbs the incoming electromagnetic energy, and then channels it away, preventing EMI/RFI interference. The inner cleat provides rigidity to the shield, and also reinforces the shielding effect of the inner wall. The dielectric material on the outside of the shield increases the effectiveness of the shield by further reducing the transmission of electromagnetic energy.

Conclusion

The 25-CBSA-3.5X4.5X0.225 RF shield is an effective way of providing protection against EMI/RFI interference in a variety of applications. It is specifically designed to provide effective protection against low and high frequencies. Its dual-layer structure combines an inner wall of conductive material and an outer dielectric material, providing an effective barrier against electromagnetic interference. With its small size, the shield is easily mounted on a variety of surfaces, providing a barrier against EMI/RFI interference.

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