0097091202

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RFI and EMI - Contacts, Fingerstock and Gaskets

Radio Frequency Interference (RFI) and Electro Magnetic Interference (EMI) are electromagnetic wave disturbances that can hinder communications and alter the performance of electronic equipment. The most common sources of RFI and EMI are electric fields, capacitive coupling, inductive coupling and shielding.

In order to prevent or minimize RFI and EMI, there are different types of contact materials available. Contact materials are designed to provide excellent levels of contact, resist oxidation, and provide reliable EMI shielding. Contacts may be mounted in a variety of ways, including solder pins, press fit mounting, or surface mount.

Fingerstock is a common contact material used for making contact between two components. Fingerstock is a stamped metal material with finger-shaped projections that can be butted up against a similarly shaped surface. The fingers provide a high level of contact with minimal contact force, reducing the electrical resistance between the two surfaces. Fingerstock is typically used in applications such as keyboards, mice, and connectors for computers and consumer electronics.

Gaskets are designed to provide a physical barrier between two or more mating surfaces. Gaskets are typically used in applications where RFI and EMI must be prevented from entering a sealed enclosure or compartment. Gaskets are available in a variety of materials and configurations, including foam, rubberized, and woven. Each type of gasket has different advantages, depending on the application. Foam and rubberized gaskets are designed to provide a seal with minimal compression force, while woven gaskets provide a superior seal with a high compression force.

The 0097091202 application field and working principle of contacts, fingerstock, and gaskets can be applied in a wide range of applications, from communication equipment to off-road vehicles. Communication equipment such as cell phones, hand-held radios, Ethernet controllers, and more, rely on RFI and EMI prevention to ensure reliable performance. Off-road vehicles, such as construction and farming equipment, must be able to withstand extreme conditions and environments, and use their shielding capabilities to protect delicate electronic components from damage.

Contacts, fingerstock and gaskets can provide a valuable option for reducing or eliminating RFI and EMI when looking to increase reliability or reduce interference. In addition to preventing interference, these materials can also significantly reduce electrical resistance between two components, resulting in increased current flow and efficient operation. By selecting the appropriate material and installation method, contacts, fingerstock, and gaskets can provide effective RFI and EMI protection, allowing for improved performance and longer lasting equipment.

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