QMS-078-05.75-L-D-K-TR

Series:	Power Q2™ QMS
Packaging:	Tape & Reel (TR)
Part Status:	Active
Connector Type:	Header, Outer Shroud Contacts
Number of Positions:	156
Pitch:	0.025" (0.64mm)
Number of Rows:	2
Mounting Type:	Surface Mount
Features:	Ground Bus (Plane), Pick and Place
Contact Finish:	Gold
Contact Finish Thickness:	10.0µin (0.25µm)
Mated Stacking Heights:	10mm, 12mm
Height Above Board:	0.212" (5.38mm)

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The QMS-078-05.75-L-D-K-TR connector is a type of rectangular edge array mezzanine connector designed primarily for board-to-board applications. It offers enhanced density and improved connector stability and reliability, with two rows of staggered, surface-mounted pins in a 0.05” pitch and a molded plastic body. The connector offers a number of features designed to make it especially suitable for a variety of applications including high-current, power, and signal applications.

Applications

The QMS-078-05.75-L-D-K-TR connector is suitable for a variety of applications, including but not limited to:

• High-current power transmission
• High-frequency signal transmission
• Industrial medical equipment
• Instrumentation
• Military and aerospace applications
• Robotics

Features and Benefits

The QMS-078-05.75-L-D-K-TR provides several features that make it especially well-suited for a variety of applications. These include:

• High-Current Rating. The connector offers a 15A rating and accepts AWG 18-28 size wires for maximum current carrying capacity.
• High-Frequency Performance. The connector is rated to frequencies up to 1GHz.
• Static Protection. The connector is designed to provide superior ESD protection in order to safeguard sensitive components.
• Low Profile. The connector\'s low profile design offers enhanced mounting flexibility for space-constrained applications.
• Retention System. The connector features a robust retention system to ensure secure and reliable connections.

Working Principle

The QMS-078-05.75-L-D-K-TR connector works on the principle of electrical interconnectivity. The connector features two rows of staggered, surface-mounted pins, which are inserted into two corresponding sockets on the mating connector. When the pins are inserted into the sockets, a secure electrical connection is established between the two devices.The connector also features a retention system. The housing assembly has an internal spring-loaded plunger that gages on the rear of the mating pin assembly when the connectors are mated, providing an audible, tactile, and visual indication that a secure connection has been made.The connector is also designed to provide superior ESD protection. It has a conductive plastic housing and contacts that are designed to provide protection against static discharge.

Conclusion

The QMS-078-05.75-L-D-K-TR connector is an edge array, mezzanine connector designed primarily for board-to-board applications. It offers superior current ratings, high-frequency performance, a low profile design, and a robust retention system to ensure secure connections. It is suitable for a variety of applications, including high-current power transmission, high-frequency signal transmission, industrial medical equipment, instrumentation, military and aerospace applications, and robotics.

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