3M 1345 0.75"SQ-250

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RF and EMI-shielding and absorption materials are an important part of our lives, as they enable us to protect against electromagnetic interference and radio-frequency interference. One such material is the 3M 1345 0.75” SQ-250, which is a specialty adhesive 2 mil-thick film based material ideal for EMI and RFI shielding both in commercial and industrial applications.

The 3M 1345 0.75” SQ-250 gap filling material is designed to be used on flat and contoured surfaces, and its adhesive backing allows it to adhere to a variety of substrates. Additionally, its high dielectric strength and low-profile construction make it suitable for both grounded and ungrounded systems. The material is also tested to meet MIL-R-6150 Type 2, providing reliable shielding from frequencies ranging from 30 MHz to 1GHz-5GHz.

The 3M 1345 0.75” SQ-250 provides excellent EMI and RFI shielding protection. This type of shielding is essential in preventing electromagnetic radiation from other devices or sources from interfering with a given device or system. Due to its high dielectric strength, this material is especially useful in providing protection from high-frequency radiation, which can be more difficult to defend against than lower-frequency radiation.

In terms of EMI and RFI shielding applications, the 3M 1345 0.75” SQ-250 can be used on a wide-range of electronic components and systems. It is well-suited for applications such as notebook computers and laptops, cellular phones, electronic instruments and meters, as well as automotive electronics. It is also an ideal shielding material for cable assemblies, flex circuits, and other products.

In terms of working principle, the 3M 1345 0.75” SQ-250 is able to shield against RF and EMI by absorbing the electromagnetic energy. This type of shielding works by using a non-conductive adhesive that is dense enough to absorb the electromagnetic waves from the source. The material also has an excellent ability to block the flow of RF and EMI signals, reducing the strength of the signal until it is no longer an interference to other devices or systems.

The 3M 1345 0.75” SQ-250 provides excellent EMI and RFI shielding protection due to its high shield effectiveness and low-profile construction. It is an excellent shielding material for a variety of applications, and its adhesive backing makes it easy to apply. Furthermore, its ability to absorb electromagnetic energy also makes it effective in blocking RF and EMI signals. Overall, the 3M 1345 0.75” SQ-250 is an effective and reliable shielding material that is suitable for a wide range of applications.

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