55510-124TRLF

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Rectangular connectors are among the most common connectors used in electronics, and the 55510-124TRLF is a widely-used type. This two piece board-to-board connector has a 0.100” pitch, allowing plug-and-socket interconnects with associated mating parts. As with all types of connectors, it is important to fully understand the field of application and working principle of the 55510-124TRLF in order to maximise its benefits and ensure it is functioning correctly.

Application Field

The 55510-124TRLF has a very wide range of uses, and is suitable for various applications. The most common are in industrial automation, as these connectors are very reliable and, when correctly implemented, can handle high electrical currents and greater temperature ranges. It is also used in consumer products such as video, home theatre and home security systems. In these applications, the 55510-124TRLF is often specified for low power and low current needs.

Working Principle

The 55510-124TRLF is a two part connector consisting of a header and a receptacle. It is mounted on printed circuit boards, and designed to link two circuits together. It has a 0.100” pitch meaning that signal and power contacts are spaced 0.100” apart, allowing for more pins than with conventional connectors. As it is a keyed system, the header has a seperate insulator and key which mate with an equivalent receptacle.

The header has 24 pins with polarised contacts that connect into the corresponding contacts of the mating receptacle. The pins are spring loaded, meaning that they have contact force to ensure good connection, and are also user adjustable to allow for different levels of force. The receptacle is a soldered board-to-board connector with 24 spring loaded contacts. On the inside of the receptacle, there are two traces that are connected to corresponding signal and power contacts via a plated-through hole.

Once assembled, the connecting pins of the header enter the corresponding holes of the receptacle and are electrically connected into a secure connection. Both the header and the receptacle locks together via the key/insulator and can be easily interchanged in the future.

Conclusion

The 55510-124TRLF is a two piece board-to-board connector that is extensively used in industrial automation and consumer products. Its working principle involves a header and a receptacle that are electrically connected through the use of spring loaded pins. As this connector is widely used in various applications, it is important to understand the application field and working principle of the connector in order to ensure its success.

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