QTH-090-09-H-D-A

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Rectangular connectors - arrays, edge type, mezzanine (board to board) are devices used in applications where two printed circuit boards need to be interconnected. The QTH-090-09-H-D-A is one such device that is capable of connecting two boards by providing an efficient electrical interface. This article will discuss its application fields and working principle.

Application fields

The QTH-090-09-H-D-A is a board to board connector specifically designed for high speed data applications. It is specially suited for applications involving high-speed digital signal transmissions, such as server and memory modules, PCI Express applications, Printers, Set Top Boxes, storage devices, and Industrial PCs. This board-to-board connector is also suited for a wide range of digital and computer sensor interfaces, such as optical data communications, robotics, factory automation, micro processors, industrial controller, office automation, and medical equipment.

Working Principle

The QTH-090-09-H-D-A board-to-board connector consists of two Printed Circuit Boards (PCBs), each with a set of two rows of 50 edges that have two offset rows of 20 poles, connected by four sliding recesses. Each PCB has a number of high-speed differential pairs which are terminated with a 50-Ohm impedance and separated by a dielectric center; this helps reduce crosstalk and signal noise. The extreme center of the two PCBs is fixed in order to ensure an optimal transmission distance. Each of the printed circuit boards is interconnected via multiple contact pins which are soldered into place on both sides. These contact pins are made from high-temperature resistant gold-plated material and feature a positive locking device which ensures a secure connection and prevents contact pins from unintentionally becoming disconnected during operation. The two PCBs also feature 3 sealed edges which protect the connector from external electromagnetic interference.

The QTH-090-09-H-D-A board-to-board connector is designed to ensure minimum signal path delay and high speed transmission rates. Additionally, its EMI shielding provides an excellent environment for data transfer, ensuring a long lifespan. The positive locking mechanism used in this unit also ensures that continuous power is regularly provided for uninterrupted operation. Furthermore, its low profile design and its small form factor make it ideal for use in tight spaces, helping to reduce the amount of space taken up on the PCB.

Conclusion

The QTH-090-09-H-D-A board-to-board connector is a highly efficient device specifically designed for high speed data transmission applications. It is capable of providing an effective electrical interface between two printed circuit boards and is suitable for a wide range of digital and computer sensor interfaces. Additionally, its low profile design and small form factor make it ideal for use even in tight spaces. Its positive locking mechanism ensures that continuous power is regularly provided for uninterrupted operation and that the connector does not become unintentionally disconnected during operation. These characteristics make the QTH-090-09-H-D-A board-to-board connector one of the best choices for high speed data transmission applications.

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