QMS-026-05.75-L-D-A-K-TR

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Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board): QMS-026-05.75-L-D-A-K-TR application field and working principle

Rectangular connectors are widely used across many industries, ranging from consumer electronics to industrial automation. These connectors come in various sizes and shapes, with the variety of connectors designed for different purposes. Depending on the applications, rectangular connectors will provide either standard or custom solutions. In this article, the focus is on the QMS-026-05.75-L-D-A-K-TR rectangular connector, which is part of the arrays, edge type, mezzanine (board to board) connector family.

Application Field

The QMS-026-05.75-L-D-A-K-TR connector system is designed for a variety of applications, including computers, tablets, cellular phones, and game consoles. It allows for both data transmission and power supply purposes. Furthermore, due to its high reliability and light weight, this connector system can also be applied in the aerospace and robotics industries. It is also highly suitable for data and signal connection needs.

Technical Characteristics

The QMS-026-05.75-L-D-A-K-TR connector consists of two main components: a Receptacle and a Plug. The Receptacle is designed with insulation displacement contacts (IDCs) and has 10 poles. A typical male plug has one individual housing with five bipole contacts, bringing the total to 10. The blade contacts feature a single, integrated contact spring that is enclosed with one pole in the center and two poles on either side to ensure a reliable connection. The Plug allows for a quick connection by snap-on-to-mate.

Design

The QMS-026-05.75-L-D-A-K-TR connector system features a female contact density of 10P, a rated voltage of 50VAC, and a rated current of 1Amp. It has a mating depth of .075 inches and a contact pitch of .0575 inches. The design of the Receptacle is such that it can easily be mounted to the PCB along with the Plug. The gold-on-gold contact design gives the connector superior corrosion resistance and enhances the durability of the system. Additionally, the polarized designed allows for the correct mating between the Plug and the Receptacle.

Working Principle

When plug and receptacle are connected, the contact spring of the blade contacts of the plug will be pushed against the contact tips of the receptacle’s IDCs. The contact tips of the IDCs are spread out, forming a secure electrical connection. The Plug and Receptacle lock together by the snap-on mechanism and prevent accidental disconnection during mating. This connection will remain secure until it is manually unplugged.

Conclusion

The QMS-026-05.75-L-D-A-K-TR application is part of the Arrays, Edge Type, Mezzanine (Board to Board) connector family, which provides a reliable connection between two boards or devices. It features a snap-on mechanism and polarized design, which allow for a quick and secure connection. The gold-on-gold contact design also ensures superior corrosion resistance to ensure the system’s long-term durability. This connector system is highly suitable for data, power, and signal connection needs in a variety of applications.

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