3M AB5030HF 0.75" SQUARE-50/PK

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Shielding has become an important technology in the development of electronic products due to the changing environment in recent years. With the development of electronic engineering, more and more materials used for shielding have come into being, among which 3M AB5030HF 0.75” SQUARE-50/PK material is one of them. This material is well used in the application field of RFI and EMI, and its working principle is also related to this application field, so it can be categorized in RFI and EMI – Shielding and Absorbing Materials.

3M AB5030HF 0.75” SQUARE-50/PK is a conductive shielding material developed by 3M Company. It is designed to absorb EMI and RFI in the frequency range of 20-3000MHz, which is enough to meet the requirements of portable electronics, computers, medical equipment, etc. With the conductive shielding property, this material can protect electronic products from EMI or RFI interference and realize better performance.

The structure of 3M AB5030HF 0.75” SQUARE-50/PK is quite simple. The material consists of a flexible matte silver substrate and a conduction carbon paint layer. It has a very high continuous conduction withstanding voltage of >1000VRms. At the same time, it has very good shielding performance. Its electromagnetic shielding efficiency to 3000MHz is up to 90dB, and its thermal conductivity is up to 0.54w/m.K. These parameters show that this material has excellent shielding performance to resist EMI or RFI as a shielding material.

In terms of working principle, 3M AB5030HF 0.75” SQUARE-50/PK works by forming a conductive barrier between the two sides of the source and receiver. The shielding material itself has a series of structured holes. The user can also structure the holes according to the actual application and performance requirements. As the frequency of electromagnetic waves increases, the conductive particles of the metallic layer become smaller and denser, and then amplify the electromagnetic wave shielding effect of the material. In terms of EMI or RFI, this material can shield the abrupt changes in current in the circuit or emitted by external radiation, ensuring a quiet environment for the operation of electronic products.

In summary, 3M AB5030HF 0.75” SQUARE-50/PK is an ideal shielding material used in RFI and EMI, especially for the application of portable electronics, computers and medical equipment. Its working principle is to form a conductive barrier between the two sides of the source and receiver. Its aluminum substrate has high continuous conduction and excellent shielding performance, which can effectively protect electronic products from interference.

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