448140-9

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Backplane connectors provide an efficient way of connecting printed wiring boards, backplanes, and daughter cards. Contacts - such as the 448140-9 - are the main components of backplane connectors and are responsible for carrying fast and high-current signals. This article discusses the application fields and working principles of 448140-9 contacts.

Application Fields

Originally developed by Amp Brand, the 448140-9 contact is designed with standard dimensions and are the preferred choice for most backplane connectors. Accordingly, 448140-9 contacts are most often used for signal or power level applications in high-voltage and high-frequency electronic equipment. These include the following:

• Telecommunication devices
• High-end medical equipment
• Industrial automation systems
• Network and server systems
• Automatic guided vehicle systems

The contact offers exceptional electrical shielding, making it suitable for systems with tight size constraints. 448140-9 contacts are also available in several different sizes, enabling designers to choose the size that best fits their application. In addition, the contacts are designed to support high-temperature applications up to 85°C and support both standard and enhanced current carrying capabilities. This makes it possible to choose the exact contact functionality for each application.

Working Principle

The working principle of 448140-9 contacts is designed to create reliable electrical paths for signal and power applications. The total design space is supplied with a ribbon spring contact, which ensures that the contacts stay in contact with one another even when subjected to vibration or frequent motion. This is accomplished by the specially designed ribbon spring contact, which compresses or spreads relative to load, thereby reducing the possibility of breaking contact. The contact also uses a friction contact design that allows for consistent electrical contact and reduces arcing.

In addition, the 448140-9 contact also offers lower wear and better electrical performance. The contact is made from high quality gold plated steel and is phosphor bronze plated, providing excellent corrosion resistance. This helps to ensure that the contact provides reliable electrical connections for many years. Furthermore, the contact is designed with a unique wedge locking mechanism for quick and easy installation.

Conclusion

The 448140-9 contact is an ideal choice for applications requiring reliable electrical connections in high-voltage and high-frequency electronic equipment. It is designed with standard dimensions, ensuring that it can fit into existing backplane connectors. It is also available in several different sizes, ensuring that the designer can select the best fit for the application. Moreover, the contact is designed with a ribbon spring for vibration protection and also offers lower wear and better electrical performance. All of these factors make the 448140-9 contact an excellent choice for backplane connectors.

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