0097091502

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In recent years, the demands for electromagnetic compatibility or EMC has increased substantially, due to the complexity of communications and electronic systems. To reduce the risk of electromagnetic interference (EMI) and radio frequency interference (RFI) from your system, it’s important to think not only about the design of the electronics, but also the materials you are using in your system. Contacts, fingerstock and gaskets can all be used to reduce the effects of interference from external sources.

0097091502 Contacts

08009050 Contacts are electrical conductors mounted to PC boards, panels, or chassis. They provide an interface for electrically coupling two circuits for power, signal, and grounding. Contacts are frequently made of copper or brass and can be silver or gold plated. They can also be made of stainless steel or nickel and provide a low contact resistance with superior electrical and mechanical properties.

In order to improve the signal integrity, contacts should be designed with appropriate electrical, mechanical, and dimensional characteristics. In order to ensure that contacts will not be affected by EMI, they should be designed to maintain low contact resistance, as well as low inductance and capacitance. By reducing the inductance, you can minimize the time domain power sum, reducing the signal distortion. Additionally, contacts should be designed to reduce the electrical noise that can be induced when signal is detected from external sources.

Fingerstock

Fingerstock is an electrical shielding material that is used to shield against EMI and RFI. It is made from dielectric plastic and is designed to fit tightly over cables, connectors, terminals, and pins. The fingers of the fingerstock material are bent inwards, providing a tight electrical shield. This prevents external interference from entering the circuit and also stops RF signals from being emitted from the circuit.

The fingerstock material provides interference protection by reflecting signals away, thus reducing signal propagation. It also provides electrical insulation to prevent the flow of current from one circuit to another. It can be used in a variety of applications including automotive electronics, military electronics, aircraft avionics, nuclear facilities, and medical electronics. Fingerstock materials are available in a variety of sizes and shapes, allowing for improved fit and repeatability.

Gaskets

Gaskets are used to reduce the leakage of electrical energy from a system and to minimize the impact of EMI and RFI. Gaskets are available in a variety of materials, such as EPDM, silicone, fiberglass, nylon, PVC, and much more. Gaskets are designed to provide a sealed and stable electrical environment, which can reduce the level of interference from external sources.

Gaskets are also used to reduce vibration and noise from the system. This can be desirable in applications such as medical equipment, where a low level of noise and vibration is required. They can also be used to reduce corrosion in harsh environments.

Gaskets are also used in applications where insulation is required between two or more circuits. By using a gasket between the circuits, it can, reduce the risk of inductive cross-talk and improve system performance.

Conclusion

Contacts, fingerstock, and gaskets are all important components used in the prevention of EMI and RFI. By using appropriate materials and design principles, these components can reduce the amount of interference from external sources. Additionally, they can also be used to provide insulation and reduce noise and vibration in the system.

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