0077003317

Series:	Slot Mount
Part Status:	Active
Type:	Fingerstock
Shape:	--
Width:	0.370" (9.40mm)
Length:	16.000" (406.40mm)
Height:	0.130" (3.30mm)
Material:	Beryllium Copper
Plating:	Tin
Plating - Thickness:	299.21µin (7.60µm)
Attachment Method:	Slot
Operating Temperature:	121°C

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RFI and EMI - Contacts, Fingerstock and Gaskets

RFIs and EMIs (Radio Frequency Interference and Electromagnetic Interference) are two electromagnetic phenomena caused by the exchange of electromagnetic signals between two or more devices. RFIs are caused by the transmission of a signal from one device to another, and EMIs are caused by the mutual interaction of currents generated by the two devices.RFIs and EMIs can occur at any frequency between 1 MHz and 100 GHz, and pose a serious threat to the safety and operational performance of various electronic and electrical equipment. To prevent the propagation of these phenomena, the affected components must be shielded or contained in a grounded enclosure. Contacts, fingerstock and gaskets are such mechanical elements that are used to help shield or contain these voltages and currents and therefore reduce the risk of RFI and EMI.Contacts are metal connectors that form an essential part of most of the electronic circuits and systems for enabling a reliable connection between the two electrical components. The contacts are usually made of copper or other metals that are capable of conducting electricity, and they come in various forms, including circular rivets, spirals, and rollers.These contacts are used for various reasons: to reduce RFI and EMI, to improve the performance of the circuits, to protect against short circuits, and to maintain safety. For RFIs and EMIs, the contacts serve the purpose of isolating the line or device from the adverse effects of the electro-magnetic fields generated by other external electronic components. For example, they can be used to form a barrier between components that generate high frequencies, thus avoiding the propagation of RFI and EMI which can degrade the performance of the hard- wired and wireless communications.Fingerstock is a type of electrical contact similar to spring contacts, which are used for both signal and power transmission. They are typically used to increase the contact area between two objects and provide a secure connection without the need for excessive force or voltage requirement. They also provide an effective shield against RFI and EMI.Fingerstock is made up of either a single or a multiple of spring contact, which is then layered onto a substrate material such as metal or plastic. The contact itself comes in various shapes, such as U-shaped, wedge, diamond, and round, and designs such as single-toothed, two-toothed, and multi-toothed. The spring contact itself is usually covered by a protective coating, such as a dielectric plastic, to protect it from air, water, and other contaminants.Gaskets are self-contained components that help protect against EMI interference. They are made of soft materials such as rubber, plastic, and fabric, and are designed to fit between two components that are mechanically linked, such as a printed circuit board and a metal housing. Gaskets function as a cushion and electrical insulation for electronic components and systems, and serve as effective shielding against RFI and EMI.In conclusion, contacts, fingerstock, and gaskets are some of the most common methods used to keep RFIs and EMIs at bay, and protect electronic and electrical equipment from their effects. These components are also the most efficient and reliable techniques for controlling the media in which RFIs and EMIs propagate, as well as in controlling their source. By using these components, engineers and technicians can ensure their designs are sufficiently shielded from potential hazardous electromagnetic emissions, thus allowing maximum safety and performance of the equipment.

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