4212PA51H01200

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Radiated Emissions and Transient Electromagnetic Susceptibility (RFT and EMI) is a field of electrical engineering and physics which deals with the study and analysis of electromagnetic waves in environments ranging from radio frequency (RF) to various forms of interference. It encompasses the control of currents and electric fields emitted by connecting electrical devices (calling for EMI shielding) as well as the measurement and analysis of the electrical characteristics of the emitted electromagnetic waves. RFI and EMI not only affect the operation of electronic equipment, but also the health and safety risks associated with exposure to excessive levels of electric and magnetic fields. In this article, we will discuss the RFI and EMI application field and working principle of the 4212PA51H01200, touching on the components, categories, and applications.

Components

The 4212PA51H01200 is a RFI and EMI shielding contacts made of 90-95% Copper plated (5-10% silicone for better lubricity). It is 1.5mm thick and is 3.2mm long. The contact is designed to reduce electro-magnetic radiation for high-frequency-level industrial and broadband network applications. It has a contact pressure of 4-6 PSI and a contact resistance of 10M ohms min.

Categories

The 4212PA51H01200 can be categorized into two types: Fingerstock and Gaskets. Fingerstock covers are the type of RFI and EMI shielding contacts which use fingerstock as a base and are available in various sizes and thicknesses. The main function of fingerstock is to create a low-profile connection between components and minimize the length of the contact area. Gaskets covers are used to provide better contact pressure and improved shielding performance. They are commonly used in the military and aerospace applications.

Applications

The 4212PA51H01200 are commonly used in telecommunication systems, such as cellular base stations, point-to-point radio links, and satellite communication systems. They are also used in electronic instruments, including medical imaging, security systems, radar systems, navigation systems, and satellites. Lastly, they are widely used in aircraft, submarines, and other military applications.

Working Principle

The 4212PA51H01200 is designed to reduce electro-magnetic radiation by providing a low profile connection between components. The working principle is simple. The contacts essentially act as a shorting resistor using the skin effect to reduce the electro-magnetic radiation. The contacts are designed to disconnect the signal when the insulation is removed. This creates an electro-magnetic barrier which helps to reduce the strength of the electromagnetic field when the contacts are disconnected. This helps to prevent interference from entering the system. In addition, using different materials for the shielding contacts (such as copper or nickel) can help to further reduce the strength of the electromagnetic field.

In conclusion, the 4212PA51H01200 is a type of RFI and EMI shielding contacts which are used in a wide range of applications. They are easy to install as they require minimal contact pressure. They also provide an electro-magnetic barrier which helps to reduce the strength of the radiation. This makes them an ideal choice for high-frequency-level industrial and broadband network applications.

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