4633AB51K01800 RF/IF and RFID

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RFI and EMI - Contacts, Fingerstock and Gaskets

The 4633AB51K01800 is an electrical contact system, commonly referred to as fingerstock, and is used in radio frequency interference (RFI) and electromagnetic interference (EMI) applications. Fingerstock is composed of metal-based components that can be applied to electrical contacts, terminal blocks, and relays in order to mitigate EMI/RFI signals.

Components of the 4633AB51K01800

The 4633AB51K01800 fingerstock is composed of two main components: a contact spacer and a gasket. The contact spacer is a metal bracket that is shaped to match the shape of the specific contact or terminal block. This bracket is then affixed to the contact or terminal block by either riveting or screwing and creates a gap between it and the contact, forming a low-inductance electrical connection. The second component is a gasket, which is inserted into the gap created by the contact spacer. The gasket is made of a conductive material, usually copper or stainless steel, which allows for a more secure connection with the contact.

Application Field and Working Principle

The 4633AB51K01800 is primarily used in applications that require the mitigation of RFI or EMI signals. RFI and EMI are generated by electrical equipment, such as radios and computers, and can cause interference with other electrical equipment. The 4633AB51K01800 provides a low-inductance electrical connection which prevents these signals from radiating. The contact spacer creates an air gap which reflects the radio waves, and the gasket acts as a shield, absorbing the signal. This configuration allows for a high degree of signal attenuation and protects other equipment from interference.

The 4633AB51K01800 can also be used in automotive applications. In this application, the contacts are usually used to control the speed of a vehicle or to regulate the fuel injection system. In these cases, the contact spacers are used to dissipate heat, removing the risk of contact erosion or failure.

Advantages

The 4633AB51K01800 fingerstock has a number of advantages. The main advantage is the low inductance of the contact, which allows for a high degree of mitigation of RFI and EMI signals. The contact is also resistant to corrosion and heat, making it ideal for automotive applications. Finally, the contact is lightweight and easy to install, which makes it a popular choice for many applications.

Conclusion

The 4633AB51K01800 fingerstock is an ideal solution for applications that require the mitigation of RFI and EMI signals. It is composed of two components - a contact spacer and a gasket - which allow for a low-inductance connection and a high degree of signal attenuation. The contact is also resistant to corrosion and heat, and is lightweight and easy to install, making it a popular choice for many applications.

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