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The D-Sub, D-shaped Connectors, or the D-Sub contacts are categorized under the connectors and contacts industry. It features a robust construction, wide application possibilities and good connection stability, making it beneficial for many applications; the most common materials used in its construction are plastic, metal, and aluminum. Most of them are made to be used on computer peripherals, such as modems, printers, and keyboards, due to their flexibility and adaptability.

The working principle of the D-Sub connectors is quite simple. The contact pins of the connectors make a physical connection with the mating parts of the socket or slot, creating an electrical connection. This allows the user to connect devices or cables to the system; by electronically enabling the connection, this allows current to flow in and out of the system. Older versions of the D-Sub connectors uses a wire-wound-type of contact pins, wherein a solid pin held between two coils of wire is inserted into the plug and the socket.

Despite its simple mechanism, the possibilities for applications are broad. These connectors are often used in audio-visual and communication systems, but can also be used in telephones, modems, keyboards, terminals, networking systems, power supplies, TV and radio amplifiers, industrial equipment, and test equipment. They are an ideal choice for very high speed data and for conditions that require secure connection and performance.

The main advantage of D-Sub connectors is that they are resistant to high levels of humidity, vibration, and corrosion, and that they provide a secure connection. Furthermore, its unique design which allows for rapid attachment and detachment can be highly beneficial in certain applications. The wide range of sizes, shapes, options, and colors available makes the D-Sub connectors suitable for many different applications.

In conclusion, the D-Sub connectors are one of the most popular and widely used contacts and connectors available today. Its robust construction, wide application possibilities, secure connection stability, and simple yet effective working principle make it an essential in many applications, from simple to sophisticated.

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