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D-sub contacts are found in a variety of industrial and consumer applications including audio, computer, power, and telecommunications. They typically consist of two items, the contact and the shell, and can be either male or female configurations. Male contacts are found in the male shells and female contacts are found in the female shells.

D-subshells come in a variety of sizes and configurations, based upon the application. Male and female connectors are both available in 9, 15, 25, 37 and 50 PIN configurations. Sizes vary from 5 to 20mm in width. Plastic shells are often used for easier handling but metal shells are also available.

The D-sub contact is an essential part of the D-sub connector assembly. It is used to interface the D-subshell with the mating part or cable. The contact typically consists of two parts, the contact spring and the inner housing. The contact spring is usually made from a spring steel. When mated it creates a strong electrical connection.

The inner housing of the D-sub contact contains the electrical connections. The female connector houses a pulser contact, which is used to provide a connection to the mating part, while the male connector houses a recessed socket contact used to pneumatically compress the contact spring. The socket contact is adjustable to create a positive or negative seal.

The contact spring has two pieces, the connecting tip and the body. The connecting tip is the contact point that makes the connection with the mating part. The length of the connecting tip will depend on the application and the length of the D-subshell. The body of the contact spring is designed to help the connecting tip make contact with the mating part.

The working principle of the D-sub contact is simple. When the contact spring is mated with its mating part, it creates an electrical connection. The compression of the contact spring ensures a secure and reliable connection and helps to protect the wiring from mechanical impacts and electrical shocks. Additionally, the contact spring also helps to reduce electrical noise because it absorbs much of the noise generated in the environment.

The D-sub contact is a critical component in any D-sub connector assembly. It is used to create a secure connection between the D-subshell and the mating part, and ensures a reliable connection between the two parts. The working principle is simple and the contact spring helps to reduce electrical noise and protect the wiring from mechanical impacts and electrical shocks.

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