SQT-145-03-L-Q

The SQT-145-03-L-Q is a rectangular connector that is part of the popular 145 Series from TE Connectivity (formerly Tyco Electronics). The 145 Series is an economical range of single-row, surface-mount headers and receptacles. It is widely used in a variety of applications.

The 145 Series includes three types of rectangular connectors: headers, receptacles, and female sockets. Here, we will discuss the SQT-145-03-L-Q in depth, including its application field and working principle.

Application field

The SQT-145-03-L-Q has the following features, making it well-suited for a variety of applications:

• Staggered-row design for low-profile, compact size with increased mating density
• Robust plastic housing for durability and protection against environmental factors
• Panel-mounting capability
• Compliance with all industry standards
• Excellent thermal and electrical characteristics

Because of these features, the SQT-145-03-L-Q is an ideal choice for applications requiring low-profile, high-density connectors. It is often used in consumer electronics, mobile communication products, computers and peripherals, automotive electronics, and medical equipment.

Working principle

The SQT-145-03-L-Q is a surface-mount connector with three rows of pins, allowing for increased connection density. It is designed for a temperature range of -55°C to +125°C. The connector is available in four circuit sizes (2, 3, 4, and 6) and four different board stack heights (6, 7, 8, and 9). The board stack heights determine the distance between two connected boards.

Compliant with all industry standards, the SQT-145-03-L-Q has six positions of 1.95mm pitch receptacles contact and three positions of 2.32mm pitch headers contact. It can be soldered directly to the board for quick and easy installation.

The connector\'s robust plastic housing provides stability and protection against environmental factors. It also features excellent thermal and electrical characteristics. The lever-lock version utilizes two plastic levers on either side of the connector for an easy-to-use latching mechanism. The standard version is held in place using screws.

Conclusion

The SQT-145-03-L-Q is a high-density, low-profile rectangular connector that is ideal for a variety of applications, including consumer electronics, mobile communication products, computers and peripherals, automotive electronics, and medical equipment. With its robust design, excellent thermal and electrical characteristics, and compliance with all industry standards, it is an ideal choice for surface-mount applications.