68439-272

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Rectangular connectors are composed of one or more female sockets, and one or more head pins. They are often used to terminate cable-to-cable or cable-to-board connections. The 68439-72 rectangular connector is especially designed for applications that require a high packing density, reliable connectivity, and superior performance capabilities. This article aims to provide a comprehensive overview of the 68439-72 application field and working principle.

Application Field
The 68439-72 connector is an integrated matched system composed of female receptacles, head pins, and mating headers, which can deliver reliable connections and high packing density. It features 2 mm pin pitch, 0.50 mm pin diameter, and current rating up to 2.5 Amp/Pin. As such, the 68439-72 offers an ideal solution for a variety of applications in many industries, including computers, consumer electronics, telecommunications, industrial electronics, medical, automotive, and aerospace.

Working Principle
The 68439-72 connector features 2mm terminal pitch, 0.50mm terminal diameter, and male pins with two notches. It is particularly designed with an integral locking system to ensure reliable mating. The mating connector consists of two contacts connected together via a central key, and connected to the board via two plastic pins. When the mating connector is inserted into the female socket, its central key slides against the two notches of the male pins, thus engaging the connector and establishing an electrical connection. Additionally, when the mating connector is pulled out, its central key slides back and disengages the two contacts, breaking the electrical connection.

The PCB receptacle also uses the central key to secure the connector. Two smalldisplaced walls in the receptacle\'s housing ensure that the connector remains securely locked in. If the connector is forcibly pulled out from the PCB receptacle, it may cause damage, so a second locking system is provided. The second locking system uses two small pins at the rear of the connector to prevent it from being pulled out of the PCB receptacle.

Conclusion
The 68439-72 is a high-performance rectangular connector featuring a two-notch male pin mating system and integral locking system. Its 2mm pitch, 0.50mm diameter, and 2.5A/Pin current rating make it an ideal solution for a wide range of applications in many industries. Furthermore, its two-level locking system provides additional stability and reliability. Overall, the 68439-72 is an efficient, high-performance connector that is sure to meet your connection needs.

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