120220-0314

Series:	--
Part Status:	Active
Type:	Shield Finger, Pre-Loaded
Shape:	--
Width:	0.038" (0.96mm)
Length:	0.149" (3.79mm)
Height:	0.138" (3.50mm)
Material:	Titanium Copper
Plating:	Nickel
Plating - Thickness:	118.11µin (3.00µm)
Attachment Method:	Solder
Operating Temperature:	--

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RFI and EMI - Contacts, Fingerstock and Gaskets

Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) are two common issues in many electrical systems. They occur when components of an electrical system interact with each other, allowing unwanted signals to interfere with sensitive and high-speed communication. To reduce RFI and EMI, engineers use various types of contacts, fingerstocks, and gaskets.

Contacts

When electronic components interact with each other, contacts serve as a point of contact. Without them, there isn’t a proper connection between the electronic components, leading to any number of RFI and EMI issues. PCB contacts are used to connect electronic components to one another, while non-PCB contacts are used to automate mechanical devices like switches and relays. Both types of contacts can be used to reduce RFI and EMI.PCB contacts are designed to make the electrical connection between two components on a printed circuit board. These contacts are usually made of a conductive material, such as copper or nickel alloys. This material helps conduct the electricity from one point to another, reducing the risk of unwanted signals interfering with sensitive and high-speed communications.Non-PCB contacts are used to control the switching and relay of mechanical devices. They are typically made from stainless steel, brass, or bronze and have a curved surface. They are designed to provide a low-resistance connection between two components, reducing the chance of radio interference or other electrical issues.

Fingerstock

Fingerstocks are used to provide EMI shielding between multiple components. They are usually made of a conductive material, like copper or nickel, and have a series of small metal fingers that create an electrical barrier between two components. This barrier helps reduce the interference of EMI and RFI, as it prevents the transmission of unwanted signals between the components.

Gaskets

Gaskets are used to provide a physical barrier between two components. They are usually made of a conductive material, like foam, rubber, or plastic. This material helps create a physical barrier between two components that is impervious to radio waves and other electrical signals. This physical barrier helps reduce the interference of RFI and EMI, as it prevents the transmission of unwanted signals between the components.

Conclusion

Contacts, fingerstocks, and gaskets are all important components of any electrical system. They help reduce the interference of RFI and EMI, providing a low-resistance connection between two components. This helps ensure that the components can communicate with each other without any unwanted interference.

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