51940-397LF

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Backplane connectors are used to link several circuit boards together or to join them to other components. Specialized connectors such as the 51940-397LF are designed for specific applications and can be used to connect chips, microcontrollers, transistors, LEDs, and other components in a common bus-like structure. This article will discuss the application field and working principle of the 51940-397LF.

Application Field

The 51940-397LF is a dual-row right-angle surface mount connector. It is primarily designed for use in hard disk drive and other consumer electronics applications. It can be used to connect multiple boards in stack configurations for applications like medical instrumentation, robotics, machine control applications, and telecommunication. This connector can be used for both low-power and high-power applications, as it can support up to 40 Amps. It also has a narrow profile, which allows it to fit in tight spaces.

Features

The 51940-397LF features a stamped and formed contact interface, which helps to maximize the contact area between the male and female connectors. This configuration also helps to reduce the risk of contact failure under dynamic load conditions. It has a snap-in design which allows for easy and fast assembly. The gold-plated contacts provide excellent connectivity and ensure reliable connections even under harsh operating conditions. The headers are stackable, which allows for easy expansion. The connector is RoHS (Restriction of Hazardous Substances) compliant, meaning it does not contain any hazardous materials or substances.

Working Principle

The 51940-397LF has a right-angle design, which means that when the two connectors are mated, the pins are aligned vertically, allowing for a better connection. This connector uses a quick-connect locking system, which ensures proper connection between the two components. The connectors are held together by a row of plastic tabs, which snap into place. This allows for a secure connection and prevents the connectors from coming apart. The contacts are made of gold-plated copper, which provides excellent electrical connectivity, especially at high frequencies. The insulation is made of a flexible polyester, which helps to reduce crosstalk and minimize signal loss.

Conclusion

The 51940-397LF is a specialized connector designed for specific applications such as hard disk drives and other consumer electronics. It has a right-angle design, which helps to maximize the contact area between the two components. It is also easy to use and is RoHS compliant. The gold-plated contacts ensure reliable connections even under harsh operating conditions and the flexible insulation ensures minimal signal loss. Specialized backplane connectors such as the 51940-397LF can make electrical connections easier and more reliable.

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