3021008

Series:	WE-LT
Part Status:	Active
Type:	Fabric Over Foam
Shape:	Rectangle
Width:	0.394" (10.00mm)
Length:	39.370" (1.00m)
Height:	0.315" (8.00mm)
Material:	Polyurethane Foam, Rayon Paper
Plating:	--
Plating - Thickness:	--
Attachment Method:	Non-Conductive Adhesive
Operating Temperature:	-40°C ~ 85°C

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RFI and EMI - Contacts, Fingerstock and GasketsVibration, thermal and electrical shock protection are essential electronic components to ensure reliability of electric and electronic products. RFI and EMI provides these protection methods and products to protect vulnerable electronic circuitry.Radio Frequency Interference (RFI) is an electromagnetic interference emitted by certain electronic equipment or components that can cause distorted signals or an interruption of a frequency. This interference can cause interference with radios, televisions, and other transmitters and receivers. The frequency of the RFI is low and there is no radiation from RFI. It is a static interference.In order to protect against RFI interference, shielding, contact materials, interconnects and isolators are used. Shielding is the most common and effective way to reduce RFI. Shielding is put around sensitive components, enclosures and wiring, to help block interference that could cause electrical or system failure. Shielding is usually made of metal, such as aluminum or steel, and it is important to choose the right material to ensure maximum protection.High resistance contacts, such as noble and precious metal contacts, are used in RFI and EMI circuits. These contacts need to be corrosion resistant and have high contact resistance capability in order to provide effective protection against RFI.Fingerstock and gaskets are also used to reduce RFI interference. These materials are used to form electrical and mechanical connections between parts. Fingerstocks are strips of flexible metal that are placed between electrical contacts to provide a low-resistance connection. Gaskets are used between panels and enclosures to prevent moisture, dust and dirt from entering the enclosure and interfering with the circuit.The working principle of RFI and EMI protection is based on shielding and contact materials that are designed to be effective in preventing interference. Shielding is used to block the entry of interference into the enclosure or circuit and high resistance contacts are used to ensure a low-resistance connection. Gaskets are used to form an airtight seal between components to prevent dust and moisture from entering the enclosure, and fingerstocks provide a low-resistance connection between components.In summary, RFI and EMI protection is a necessary part of many electronic applications. Shielding, contact materials, gaskets and fingerstocks are the primary methods used to reduce the risk of interference from outside sources. High-resistance contacts are used to ensure a low-resistance connection, and gaskets and fingerstocks are used to prevent dust and moisture from entering the enclosure.

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