749812-7 Connectors, Interconnects

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D-Sub Connectors have been around for decades and remain a popular choice for applications in many industries. The 749812-7 is a robust D-Sub connector that is widely used in a range of applications. This article will provide a detailed overview of the 749812-7 D-Sub connector, including its application field and working principle.

Application Field

The 749812-7 D-Sub connector is a versatile connector, suitable for use in a variety of industries. It is most commonly used in the automotive, telecommunications, computer, industrial, and home appliance industries. The 749812-7 is also well-suited for use in military and aerospace applications, as it is relatively robust and can withstand harsh environmental conditions.The 749812-7 is capable of carrying both signals and power, making it a great choice for applications that require reliable power and signal transmission.

Working Principle

The 749812-7 D-Sub connector features a standard size shell that is easy to fit into most applications. It is composed of two plastic shells, which house multiple contact modules. The connector is designed with a total of nine contact segments, including five signal contacts and four power contacts. The contact modules are held in place by a metal spring, which serves to ensure reliable and secure connections. The contact modules are then connected through a male and female contact, which are both spring loaded to ensure proper contact even in harsh conditions. The 749812-7 is also equipped with a strain relief feature, ensuring that the contact modules remain securely connected when exposed to dynamic strain.

In addition to its reliable connections, the 749812-7 D-Sub connector is designed to be resistant to electromagnetic interference (EMI). It features a total of eight shielding plates that help protect the contacts from external EMI interference and mitigate signal loss. Additionally, the 749812-7 is designed with a double-sided insulation system, which further enhances its EMI protection and prevents short circuits.

Conclusion

The 749812-7 D-Sub connector is a robust and reliable connector, capable of handling a wide range of applications. It is commonly used in the automotive, telecommunications, computer, industrial, and home appliance industries, as well as military and aerospace applications. The 749812-7 is composed of two plastic shells, which house nine contact modules. It features a strain relief feature, EMI shielding, and a double-sided insulation system, making it well suited for use in robust applications that require reliable power and signal transmission.

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