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RFI and EMI - Shielding and Absorbing Materials

Radio Frequency Interference (RFI) and Electro Magnetic Interference (EMI) have been around us since the dawn of mankind. But with the rapid advance of technology, these radiations and waves can cause our devices to malfunction or worse, disrupt the workings of our carefully designed systems. Therefore, shielding and absorbing materials are necessary to ensure our systems and devices stay safe from these interferences.

5-1345-3/4-3R Application Field and Working Principle

5-1345-3/4-3R is an industrial grade RFI and EMI shielding material developed by Tempstar®, a global supplier for shielding and thermal management products. This advanced material is designed to provide a range of shielding effectiveness against various frequencies, and when coupled with other shielding technologies, can provide a highly effective solution for any interference problem.

The 5-1345-3/4-3R is made from a combination of aluminum shielding sheets and a thermally resistant, metalized-PVC material, which helps to reduce its overall weight. This material is ideally suited to high temperature and vibration environments, such as in motors, transformers, and military and defense systems. It is also perfect for shielding enclosures, such as those needed for radiofrequency (RF) and microwave frequency (MWF) systems.

When motivated with an appropriate electric or magnetic field, the aluminum shielding layer acts as a Faraday cage, which reflects and absorbs electromagnetic (EM) waves. This provides protection against incoming force fields while allowing signals outgoing from within the shield to remain unaffected. At the same time, the thermally resistant vinyl material helps to significantly reduce the amount of energy dissipated by the material itself and prevents heat accumulation, which in turn keeps the system cooler and minimizes the risk of component failure.

Conclusion

Overall, 5-1345-3/4-3R is an effective and reliable RFI and EMI shielding material. It provides a good solution for shielding enclosures that require high protection against various frequencies, and its thermally resistant vinyl material helps to maintain a proper temperature in the environment. Used in combination with other shielding technologies, it can provide highly effective protection against all sorts of interference.

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