302095032

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RFI and EMI - Contacts, Fingerstock and Gaskets

Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) Contacts, Fingerstock and Gaskets are responsible for achieving electrical and mechanical integrity between two components separated by relative motion or static levels. This type of contact represents a single or multiple interfacial paths, which provide the necessary current carrying capacity to complete the electrical connection of two components.

Fingerstock and Gaskets are typically used for their high electrical and mechanical performance possibilities. Fingerstock are composed of both metallic and non-metallic materials of various durometers in order to meet the requirements of the application. Traditionally, Fingerstock are used in electrical connections or between adjacent electronic components. An example of a Fingestock application would be a contact which fits between two electrical circuit board planes.

For lower voltage applications, Fingerstock can also employ non-metallic solids such as nylon, polystyrene, or polypropylene. For those applications requiring higher electrical performance, Fingerstock as well as Gaskets may be composed of metallic components such as tinned copper, silver, nickel, or even gold.

Gaskets are used in similar applications as Fingerstock, however they are designed to withstand higher electrical and mechanical performance requirements. While Fingerstock use variations in the durometers of elastomers and adhesive laminates for their insulation, Gaskets may use electrically conductive material or elastomers with higher durometer. Gaskets, due to their higher insulation value, are more commonly used in applications where higher electrical voltages may be present.

In order to identify the correct type of RFI and EMI Contacts, Fingerstock and Gaskets for the particular application, several factors should be considered. Some of these are: electrical & mechanical performance criteria, insulation, size and shape. Since RFI and EMI can penetrate electrical insulation and connections, it is important to make sure the proper type of contact, gasket or fingerstock has been used.

For applications requiring higher electrical or mechanical performance, there are a variety of conductive gaskets available. These include conductive rubber gaskets and EMI shield gaskets. These gaskets are designed to provide a high level of shielding and impenetrable path to reduce or prevent interference.

The 302095032 contact, fingerstock and gasket is an example of a contact used in higher voltage applications. This type of contact is composed of a gold plated tension spring, silicone insulation, and a conductive finger. The spring provides mechanical flexibility as well as electrical continuity when the contact is under pressure. The use of gold plating ensures that these contacts are electrically conductive and provide an effective path for reducing Electromagnetic Interference (EMI).

Given the importance of reducing interference caused by RFI and EMI, having the proper contacts, fingerstock and gaskets in place is crucial. RFI and EMI-proof fingerstock and gaskets are the perfect solution for applications that require dependable and effective electrical and mechanical connections. In order to ensure that the right contact is used in any application, the electrical and mechanical requirements should be carefully evaluated and the most suitable contact type and material should be chosen.

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