25-CBSA-5.75X6.0X0.225

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RF shields are essential components when it comes to preventing interference and protecting sensitive electronic components from external electromagnetic radiation. 25-CBSA-5.75X6.0X0.225 is an example of such RF shields used in various applications. It is a two-piece combination shield having a sized EMI gasket sandwiched between two rigid pieces of metal. In this article, we will look into the application field and working principle of 25-CBSA-5.75X6.0X0.225.

25-CBSA-5.75X6.0X0.225 is a combination shield that is specifically designed for EMI protection when employed between PCB-level parts. It is frequently used in various applications such as aerospace electronics, Defense and Security Electronics, Telecommunications, and automotive systems. These shields are utilized to protect the sensitive PCB components from any interference due to electrical or electro-magnetic radiation. This kind of shield is often used along with other mechanical components, such as mounting accessories, cable shields, and various other shielding techniques.

The 25-CBSA-5.75X6.0X0.225 can provide up to 40dB of shielding against the radio frequency interference as well as excellent protection against the ingress of dust, moisture, and other environmental chemicals. It can be used over a wide range of frequencies between 10 and 700MHz. The two-piece combination shield provides a low profile with a single box construction and creates a secured connection between the gateways of the PCB. The shield also offers high mechanical stability and efficient RF shielding.

The two-piece combination shield is made up of an upper part and a lower part. The upper part has an inner lip designed to hold and latch onto the board. The lower part has an outer flange which provides a secure connection between the two boards. This ensures that the shield is secured in place and offer better mechanical stability. The shield is then encapsulated in a metal housing to further improve the shielding. The main advantage of this kind of construction is that it easily allows access to the PCB in case maintenance or modification is required in future.

The working principle of the 25-CBSA-5.75X6.0X0.225 combination shield is based on the principle of EMI shielding. EMI is the abbreviation of electromagnetic interference. It refers to the undesirable electromagnetic waves generated by electronic components that interfere with the electronic systems. The EMI generated from electronic devices is of two types, radiated EMI (undesirable electromagnetic waves emitted into the air) and conducted EMI (undesirable electromagnetic waves that travel within the wiring).

The EMI produced from the electronic devices is generally then attenuated by metal shielding such as the 25-CBSA-5.75X6.0X0.225. This shield is designed to reduce the EMI that passes through the gap between two boards. The shield acts as a barrier that reflects the radiation away from the boards. The shielding consists of two pieces of metal which are placed one over the other, creating an RF-tight block. The shield also offers a low profile which enables it to fit in tight areas and helps in increasing the efficiency of the RF shielding.

In summary, the 25-CBSA-5.75X6.0X0.225 combination shield is a highly efficient RF shield that is used for preventing EMI interference. It is used in various applications such as aerospace electronics, Defense and Security Electronics, Telecommunications, and automotive systems. The shield consists of two pieces of metal which are held together in place with an inner lip and an outer flange. It also provides up to 40dB of shielding against the radio frequency interference as well as excellent protection against the ingress of dust, moisture, and other environmental chemicals. Furthermore, it reduces the EMI that passes through the gap between two boards and offers a low profile which enables it to fit in tight areas. Thus, it is a very effective and efficient shield for protection against EMI in a wide range of frequencies.

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