QMS-078-01-S-D-RA-PC4

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Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board)

QMS-078-01-S-D-RA-PC4 is a mezzanine connector that belongs to the Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board) family. It is employed in a wide range of applications due to its reliable performance and ease of use. It is a one-time, snap-in device with two levels of contact.

Characteristics

QMS-078-01-S-D-RA-PC4 has a length of 0.500 inches (12.7mm), a width of 0.305 inches (7.78mm), and a pitch of 0.050 inches (1.25mm). Its terminal count is 8, which involves two rows of pins having four contacts each. It features blind-mating and coplanarity of 0.015 inch (0.38mm) as well.

Application Field and Working Principle

QMS-078-01-S-D-RA-PC4 is a high-performance, small-footprint connector. It is employed in half-pitch, eye-of-the-needle, slip-in, and semi-buttons interfaces. It is also used to make board-to-board and mezzanine connections in industries such as telecommunications, aviation, automotive, and medical. It operates on the principle of electrical coupling and contact.}

Design and Mounting

QMS-078-01-S-D-RA-PC4 features a two-level design that consists of duplicate ultra-thin contacts, which provide superior reliability and robust connections. It is designed toplug into an edge connector that fits over the board edge, thereby avoiding any contact with the board. The contacts are soldered onto the printed circuit board, thereby ensuring a secure connection. The terminals are arranged into two rows of pins, with four contacts each.

Features and Benefits

QMS-078-01-S-D-RA-PC4 offers a wide range of features that make it a reliable and ideal connector for a variety of applications. It has an excellent resistance to shocks and vibration, and it is also resistant to corrosion. Moreover, it provides enhanced signal integrity due to its low contact resistance. It provides excellent mating characteristics and a long-term reliability. In addition, its design optimizes space, allowing increased design flexibility. Furthermore, its numerical sequence ensures correct hand-assembly and polarization.

Conclusion

In conclusion, QMS-078-01-S-D-RA-PC4 belongs to the Rectangular Connectors - Arrays, Edge, Type, Mezzanine (Board to Board) family and is employed in a variety of industries. It is an ideal connector for a wide range of applications due to its reliable performance and ease of use. It features duplicate ultra-thin contacts, which provide superior reliability and robust connections. Furthermore, it has an excellent resistance to shocks and vibration and is resistant to corrosion. It offers enhanced signal integrity, enhanced mating characteristics, and a long-term reliability. Overall, QMS-078-01-S-D-RA-PC4 is a versatile, reliable, and secure connector that is perfect for board-to-board and mezzanine connections.

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