30395641 RF/IF and RFID

Series:	WE-LT
Part Status:	Active
Type:	Fabric Over Foam
Shape:	D-Shape
Width:	0.374" (9.50mm)
Length:	39.370" (1.00m)
Height:	0.252" (6.40mm)
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 Gaskets

Contacts and fingerstock are components used in a variety of applications as part of the electrical and communication systems. They provide the required connections between components such as relays, switches, and connectors as well as between electrical components and the system\'s housing. Gaskets provide seals to help protect the equipment from dust and moisture while also stopping electromagnetic waves from entering.

Components

The most commonly used contacts and fingerstock components are metallic components made of copper, zinc-fires, brass, bronze, aluminum or stainless steel. Contacts consist of a male and female element designed to join the two conductive pins together. The female contact, also known as the receptacle, holds the male contact pins. The male contact can be shaped as a ring or short threaded bars and pins. Fingerstock usually have two components: a stud and a female piece specifically shaped to fit the stud. The seals that are used for protection are gaskets made from a variety of materials, including resilient elastomers, thermoplastic, expanded PTFE, laminated elastomers, semi-metallics, and mica.

Applications

Contacts and fingerstock are commonly used in electrical and communication systems such as relays, switches, and connectors. They are equally important for engineers who need to prevent electrolytic migrations and galvanic joints between pins and between components. They are also used to join contact pins, as well as to provide resistance against heat, corrosion, and wear. Gaskets are part of the systems that need shielding and protection from the environment, dust, and moisture. To achieve this, the gasket seals the cavity or space from the external environment, preventing electrical interference or electromagnetic waves from entering the equipment. This includes applications like antennas, electrical circuits, and control systems.

Working Principle

When it comes to contacts and fingerstock, electrical-mechanical contact is essential in order to properly create a bridge between two electronic components within an electrical system. The contact force is generated by the exerted force from the female contact element against the male contact pin, leaving a very small gap between the two. Fingerstock works similarly. The force from the female fingerstock element holds the male stud. This creates an electrical-mechanical connection, which creates an electrical bridge between the two components. Gaskets work to prevent electromagnetic interference or electrical fields from entering the equipment. When bolted together, the gasket compresses between two surface components, creating a seal. While the type of gasket and material can vary, the goal is to form a resilient barrier capable of absorbing any of the voltages and pressures that could potentially interfere with the operation of the device. In conclusion, contacts, fingerstock, and gaskets are essential components for any electrical or communication-based system, providing reliable connections and protection from the environment. They are important to engineers who must guarantee a consistent electrical performance within the system.

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