85977-040LF

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Backplane connectors are integral to the functioning of their respective applications. Their primary purpose is to provide a reliable means of connecting multiple signals, devices, and systems. The 85977-040 LF is a backplane connector built by Tyco Electronics for use in a variety of applications. This article will provide an overview of the 85977-040 LF application field and working principle.

The 85977-040 LF is a 2-piece contact system designed for use in backplane applications. It features a double-ended ganged contact system that allows for the securing of circuits from one side with the contact mating on the other side. The contacts are also designed to be a low-stress, high-reliability connection, suitable for many types of applications. For example, it is commonly used in telecommunications systems, military communication systems, and broadcast systems.

The 85977-040 LF is a ruggedized contact system, designed for applications in which high levels of force and shock are expected. It features resilient spring designs that allow it to withstand shock, vibrations, and impacts. The contacts are also designed to seal against dust and other contaminants, allowing them to be used in harsh environments. Additionally, the contacts are corrosion-resistant, providing a reliable connection over the device lifespan.

The 85977-040 LF is designed to support a wide range of current levels, ranging from 0.2A to 10A. It also has a maximum voltage rating of 300V AC/DC. This contact system is capable of operating at various temperatures, including -55°C to +105°C.

The 85977-040 LF contact system is designed to work within a variety of backplane orientations. It is rated to be used in both mid- and high-density backplanes, as well as with through-hole and SMT printed circuit boards. The contacts themselves are constructed from stainless steel, copper alloys, or brass, providing robustness and durability over a variety of applications.

The 85977-040 LF\'s working principle is simple but effective. The contacts are designed to meet with pressure when inserted into a receptacle connector. This pressure will then secure the contacts, ensuring they remain in place throughout the application. The contacts feature resilient springs that provide the necessary force to keep them in the connector, as well as to absorb shock and vibration. Additionally, the terminals are designed to seal against dust and other contaminants, keeping the contact system reliable for long periods.

In conclusion, the 85977-040 LF backplane connector is a ruggedized contact system, designed for use in high-reliability applications requiring high levels of force and shock. It is rated for a variety of current levels and temperatures, and is designed for use with mid- and high-density backplanes as well as with through-hole and SMT printed circuits. It features resilient spring designs that keep the contacts in place and allow them to absorb shock and vibration, while also providing a reliable connection over the device lifespan.

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