20S-CBSF-0.75X1.75X0.5

Series:	20-CBS
Part Status:	Active
Type:	Shield, 2-Piece
Height - Overall:	0.500" (12.70mm)
Length - Overall:	1.750" (44.45mm)
Width - Overall:	0.750" (19.05mm)
Ventilation:	Vent Holes in Pattern
Mounting Type:	Surface Mount

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20S-CBSF-0.75X1.75X0.5 Application Field and Working Principle

The 20S-CBSF-0.75X1.75X0.5 Shield is a antenna shield used in applications which require high performance for broadband applications including up to 2GHz. This type of shield is made from aluminum providing RF shielding with minimal changing. Its overall size is compact and very versatile, making it suitable for a wide variety of electronic applications. It is a part of the 20S-CBSF family of RF products.For example, in EMI/EMC testing, the 20S-CBSF-0.75X1.75X0.5 provides a radiated susceptibility protective cover to transmit or receive high frequency signals with minimal distortion due to the small size size. This also eliminates the need for additional antenna support structures, such as a tower. It is also suitable in automotive applications such as radar, remote security systems, wireless communications, and other applications which require high performance for broadband transmissions.The 20S-CBSF-0.75X1.75X0.5 is based on a cylindrical co-axial shielded frequency (CSF) shield. The material used to make the shield is generally non-ferrous and of superior electrical conductivity in order to reduce signal reflection and attenuation. The deflector plates on the inside surfaces of the shield helps to reorient any EM waves that reflect from the inside walls back in the direction towards the source. The shape of the shield itself provides an elliptical nature, offering the best coverage both from inside, as well as from outside.The 20S-CBSF-0.75X1.75X0.5 is designed to provide excellent shielding from more broadband signals. This is accomplished through the construction of two layers of shielding. The outer shield, called the housing, provides direct shielding from external sources. The inner shield, called the secondary shield, gives additional attenuation in the form of a more refined, finer mesh covering. This secondary shield is also usually filled with an absorber material such as carbon black that absorbs radio frequency energy, further reducing interference.The 20S-CBSF-0.75X1.75X0.5 is designed to provide the perfect balance between shielding performance and mechanical properties. It is also designed to be easily installed into an equipment cabinet or into an external environment. In either case, the shield provides up to 85dB of shielding, with a return loss of less than -30dB.In short, the 20S-CBSF-0.75X1.75X0.5 shield is an ideal solution for applications requiring broadband shielding that are sensitive to external environmental interference or electromagnetic areas. Its compact size, superior mechanical characteristics, and high performance makes it the perfect solution for high frequency applications.

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