172924-1

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D-Sub connectors, also known as D-shaped connectors, are a category of electrical connectors used in the personal computer and telecommunications applications. D-Sub connectors come in various sizes and configurations, and each provides several key benefits. While all D-Sub connectors have a common shape, there are variations in the way they function and how they are wired.

A D-Sub connector is composed of two metal shells: an outer shell (known as a backshell or a hood) and an inner shell (known as a ferrule or a plug). The outer shell provides environmental protection and strain relief, while the inner shell contains the contacts. The contacts are typically either pin, solder, or other types depending on the application.

172924-1 D-Sub connectors, specifically, are an industry-standard type of connector with a high retention force and molded contact for maximum electrical integrity. This type of D-Sub connector is designed for applications that require resistance to dust as well as EMI/RFI shielding. The 172924-1 connector is typically used in computer, telecom, and industrial applications.

The working principle of the 172924-1 connector is simple. The inner shell is inserted into a mating component and the locking mechanism provides a secure connection. The outer shell serves a number of functions including providing environmental protection, ease of assembly and disassembly, and strain relief. The contacts in the connector provide electrical pathways between the two components being connected.

In addition to providing electrical connections, D-Sub connectors can also provide additional features depending on the setup. For instance, they can provide EMI/RFI shielding if the backshell is provided with a grounding ground, which also helps protect against external interference. For higher security applications, the backshell can be provided with a keyed insert, which ensures that only properly matched components can be connected and that the connection can not be accidentally connected to the wrong component.

Overall, the 172924-1 D-Sub connectors provide a reliable connection between two components and are suitable for a variety of applications. The backshell provides environmental protection and strain relief, while the inner shell contains the contacts, which allow for a secure electrical connection. Additionally, the outer shell can provide additional features such as EMI/RFI shielding and keyed inserts for higher security applications.

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