21-CBSA-4.5X5.0X0.225

Series:	20-CBS
Part Status:	Active
Type:	Shield, 2-Piece
Height - Overall:	0.225" (5.72mm)
Length - Overall:	5.000" (127.00mm)
Width - Overall:	4.500" (114.30mm)
Ventilation:	Non-Vented
Mounting Type:	Surface Mount, Through Hole

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RF Shields: 21-CBSA-4.5X5.0X0.225

RF Shields are designed to attenuate or block electric fields in the radio frequency range from 30Hz to 300GHz. RF shields can be used for various purposes such as:

• Isolating electrical circuits or devices from interfering signals.
• Reducing interference from one part to another part.
• Reducing radio signals from one part to another part.
• Preventing signal leakage from one device to another device.

The 21-CBSA-4.5X5.0X0.225 is a type of RF shield designed to help protect a variety of electronic components from harmful electromagnetic interference (EMI). It is manufactured using a combination of different shielding materials which work together to provide maximum effectiveness in reducing EMI. These materials are designed to have low resistance and high shielding effectiveness, resulting in enhanced protection from RF and EMI noise.This shielding material is composed of a layer of non-conductive elastomeric foam, two layers of conductive foil, and a layer of conductive mesh. The elastomeric foam provides the support structure for the RF shield and helps to absorb the energy of any incoming RF radiation. The conductive foil acts like an antenna, capturing the RF radiation and passing it along to the conductive mesh, which dissipates the energy through its conductive surface.The 21-CBSA-4.5X5.0X0.225\'s main application is in mobile phones, where it is commonly used in combination with a mobile device\'s EMF shielding materials. This allows mobile phones to reduce the amount of RF radiation they emit, thus preventing potential damage to the user from radiation exposure. The 21-CBSA-4.5X5.0X0.225 is also used in other types of electronic devices, such as computers, medical devices, and home theaters, to reduce the EMI radiation emitted from these devices.The 21-CBSA-4.5X5.0X0.225\'s working principle is based on the fact that conductive materials absorb and dissipate electromagnetic radiation. When RF radiation is captured by the conductive layer of the shield, it is dissipated through the conductive surface of the RF shield. This results in a reduction of the amount of radiation emitted and transmitted by the electronic device.In conclusion, the 21-CBSA-4.5X5.0X0.225 is a type of RF shield designed to help reduce the EMI radiation emitted by electronic devices. It is composed of three different layers of shielding materials, each designed to reduce the amount of radiation it receives and passes along. This flexibility makes the 21-CBSA-4.5X5.0X0.225 a practical choice for applications where EMI shielding is needed. With its low resistance and high effectiveness, the 21-CBSA-4.5X5.0X0.225 is an ideal solution for mobile phones and other electronics.

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