Series:	40-CBS
Packaging:	Bulk
Part Status:	Active
Type:	Shield, 2-Piece
Height - Overall:	0.400" (10.16mm)
Length - Overall:	3.750" (95.25mm)
Width - Overall:	3.000" (76.20mm)
Ventilation:	Vent Holes in Pattern
Mounting Type:	Through Hole

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47-CBSA-3.0X3.75X0.4 Application Field and Working Principle

RF Shields are devices used to reduce the impact of radio frequency (RF) waves on a given object, space, or person. They are typically a metal material, such as aluminum or tin-coated copper, functioning as an electromagnetic barrier. The 47-CBSA-3.0X3.75X0.4 is one variation of such a shield. It has a particular application field and working principle that are explored in detail below.

Application Field

The 47-CBSA-3.0X3.75X0.4 RF Shield is used to combat Electro-Magnetic Interference (EMI). This interference is caused by the presence of RF-emitting electronics or objects, such as antennas, television towers, etc. The shield is often placed around sensitive electronic systems in order to reduce the amount of EMI the system is exposed to. This allows for a much cleaner electronic signal with less interference from outside sources.

Working Principle

The 47-CBSA-3.0X3.75X0.4 shield works by reflecting and absorbing the majority of incoming RF waves. The wave enters the shield, and is then bounced off the surface in a process known as reflection. In some cases, some of the RF waves will be absorbed by the shield itself, while the majority will be reflected away from the object or person the shield is protecting. This prevents the undesired waves from entering the space or person being protected.The 47-CBSA-3.0X3.75X0.4 shield also has a great ability to block out higher frequency RF waves due to its special design. It is made of five layers of metal, with a layer of bonded aluminum foil sandwiched between two layers of gold-plated copper. This multilayered construction helps block out even the highest frequency RF signals, providing great protection against EMI.

Conclusion

The 47-CBSA-3.0X3.75X0.4 RF Shield is a great resource for protecting sensitive electronic systems from EMI. By reflecting and absorbing the majority of incoming RF waves, the shield provides great protection against even the highest frequency signals, allowing for a much cleaner signal without unwanted interference.

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