174681-7

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D-sub connectors are widely used in many electronic devices in different fields such as computers, communication devices and industrial automation equipment. The 174681-7 connector is a unique type of D-sub connector, which is a 7-pin female connector with a current rating of 5A, specially designed for the use in harsh environments. Its application field and working principle are described in this article.

Applications

The 174681-7 connector is designed for both indoor and outdoor applications. It is designed to provide a stable connection even in harsh environments, such as high humidity and vibration conditions. It is suitable for applications in extreme temperature environments, and the operating temperature range is -20 to +75 degrees Celsius. Its outer housing is made out of UV-resistant material, making it ideal for outdoor applications.

Besides, the 174681-7 connector is commonly used in industrial automation, computer systems, telecommunications, automotive, audio-visual, or any other low VSWR applications. It is also well-suited for use in the petrochemical industry and in a variety of other tough industrial applications.

Working Principle

The 174681-7 connector is composed of three different parts, the shell, the insulator, and the pins. The shell provides mechanical protection for the internal parts, and the insulator holds the pins in place and keeps the electrical signals from crossing. The pins come in multicolored colors and can be used to easily identify the signal types. The pins are held in place by a plastic retainer which helps to make sure a tight and secure connection between the mating halves.

The 174681-7 connector has a metal shield, which helps to provide shielding from interference and grounding of the internal components. The shield offers protection from noise and interference from the surrounding environment. Its pins wrap around the insulator and contact the mating connector. This design allows for a more compact design, and also ensures a low impedance connection.

The 174681-7 connector also features a self locking mechanism for connection. This means that the mating halves will stay securely connected, even in high vibration environments. The connection is also resistant to disconnection due to vibration and shock. This feature ensures that the connector remains secure and prevents accidental disconnections.

Conclusion

The 174681-7 connector is a unique type of D-sub connector, designed for use in harsh environments and suitable for a variety of applications. It features a metal shield for protecting against interference and grounding, a self locking mechanism for connection, and insulated pins that wrap around the insulator. This ensures a low impedance connection and a reliable connection even in high vibration environments.

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