QMS-026-05.75-L-D-A

Series:	Power Q2™ QMS
Packaging:	Tray
Part Status:	Active
Connector Type:	Header, Outer Shroud Contacts
Number of Positions:	52
Pitch:	0.025" (0.64mm)
Number of Rows:	2
Mounting Type:	Surface Mount
Features:	Board Guide, Ground Bus (Plane)
Contact Finish:	Gold
Contact Finish Thickness:	10.0µin (0.25µm)
Mated Stacking Heights:	10mm, 12mm
Height Above Board:	0.227" (5.76mm)

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Introduction

The QMS-026-05.75–L-D-A is a rectangular array, edge type, mezzanine connector for board to board connection. It is designed to provide high-density, low-profile PCB (printed circuit board) assembles with maximum mechanical and electrical performance. This product series provides an economical alternative to conventional card edge connectors and meets the need of the modern design engineer.

Application Field

The simplest and most common application of this connector is in board to board interconnects. It is used to interface between two boards in a printed circuit board assembly, providing an electrical link between them. It can also be used as a connection between exposed panels, such as in rack mount applications, to create an electrical connection through the cabinet or enclosure.Other applications include PowerPCB assemblies, embedded components, telecommunications systems, computer systems, instrumentation systems, military electronics, fiber-optic communications, and audio/video equipment.

Working Principle

The QMS-026-05.75-L-D-A connector consists of an array of contact pins and sockets. The contact pins have a narrow front profile and are soldered directly onto the edge of a printed circuit board. The opposite side contacts are soldered into sockets mounted on a mating board. When the two boards are mated and secured, the contacts on both sides create an electrical connection. The contact pins are designed to provide reliable electrical contact even in the presence of vibration and mechanical shock, and are available in standard and custom configurations.The QMS-026-05.75-L-D-A connector also has high‑performance signal characteristics, including low signal reflection over a wide frequency range. It also has high mechanical retention force, allowing the connection to be used in applications where vibration is present.The connector is easy to install and is designed for use in a wide range of environmental conditions, from extreme temperatures to exposure to fluids and other contaminants. It is available in a wide variety of configurations and sizes to fit many different applications.

Conclusion

The QMS-026-05.75-L-D-A is a reliable, cost-effective rectangular array, edge type, mezzanine connector for board to board connections. It is used in a wide variety of applications, from industrial to home applications. Its electrical connections are resistant to vibration, shock, and corrosion, so it can be used in a wide range of applications. The connector is also easy to install and provides high-performance signal characteristics.

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