20S-CBSA-3.75X5.5X0.2

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RF Shields, also known as radio frequency shields, are structures designed to protect electronic components from radiated RF (radio frequency) energy. The purpose of these shields is to reduce interference between electronic components, which can cause problems such as signal loss, reduced power efficiency, and electromagnetic radiation. RF shields act as a barrier between the internal components of a device and external sources of RF interference. This article will discuss the application field and working principle of an RF shield with part number 20S-CBSA-3.75X5.5X0.2.

This particular RF shield is capable of protecting electronic components in applications that use frequencies between 1 MHz and 6 GHz. This shield is suitable for use in a wide range of applications, including communication electronics, automotive electronics, industrial automation, wireless power, consumer electronics, and medical electronics. This shield is designed to be used in a variety of enclosures and is compatible with both standard printed circuit board (PCB) material and Advanced MCPCBs (Metal Core Printed Circuit Boards).

The RF Shield 20S-CBSA-3.75X5.5X0.2 is constructed using a combination of materials, including copper, ferrite, and aluminum as well as plated surfaces. Copper is used to provide shielding from RF energy and electromagnetic interference. Ferrite is used to reduce any reflected RF energy and also to provide increased passive shielding. Aluminum is used as a heat sink and provides additional protection from the electromagnetic environment. The plated surfaces are used to increase electrical resistance as well as preventing any electrolytic corrosion.

The working principle of this RF shield is based on the Faraday Cage, a metallic enclosure that prevents electromagnetic radiation from entering or leaving its interior. The Faraday Cage works by creating an electrically conductive barrier around the circuit that blocks any external electric fields from affecting it. As a result, all the RF energy is confined to the interior of the Faraday Cage, protecting the components within it. In the case of the 20S-CBSA-3.75X5.5X0.2 RF shield, the combination of copper, ferrite, and aluminum create an effective Faraday Cage that is capable of blocking RF energy in the frequency range of 1 MHz to 6 GHz.

In addition to providing shielding from external RF energy, this shield also helps reduce internal electromagnetic interference between components. This is accomplished by the use of a partially permeable shield, a method that relies on inductance, capacity, and resistance to reject internal interference by providing a high impedance path to any unwanted RF signals. As a result, the dissipated power in the shield is minimized and the desired signals are allowed to pass through with minimal losses.

The 20S-CBSA-3.75X5.5X0.2 RF shield is a high-performance, multi-purpose shielding solution for a wide range of applications. The combination of copper, ferrite, and aluminum offers excellent RF shielding and noise rejection. The partially permeable shield further reduces internal EMI, providing a low-cost shielding solution for applications requiring high RF performance. The combination of all these features makes the 20S-CBSA-3.75X5.5X0.2 RF shield an ideal solution for protecting sensitive components from high levels of electromagnetic interference.

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