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D-Sub, D-Shaped Connectors – Contacts

D-sub connectors are widely used in many industries all over the world. These connectors are used for a variety of purposes, such as connecting computers, networking equipment, and audio/video equipment, as well as connecting other electric and electronic outlets. The D-sub connector consists of a shell, pins and sockets, which are connected to each other. The contacts are typically made of metal or other hard material.

The main purpose of using a D-sub connector to pair two components is to form an electrical connection that is reliable and will withstand a certain amount of force, such as physical movement or electrical current. D-sub connectors are available in two different configurations, Type D and Type A. Both configurations have several different sizes to correspond to the number of pins or sockets needed. As the names suggest, Type D is designed for a smaller number of pins or sockets than Type A.

Each contact within a type of D-sub connector typically consists of a single metal or hard material ‘tongue’ which is the actual electrical connection. The tongue is typically attached to either the pin or socket, depending on the specific pairing. Once the pins or sockets are placed into the shell, the electrical connection is complete. The metal tongue is then embedded into the material of the shell, creating a secure connection.

In addition to providing reliable electrical connections, D-sub connectors can also be used to mechanically connect two components. The locking mechanisms on some types of D-sub connectors allow the user to lock the connector in place, which helps to ensure that the connection remains intact even when the components are moved or otherwise disturbed. This feature is particularly useful for applications that require the connection to be held in place for a long period of time, such as outdoor installations and multimedia networks.

The working principle of the D-sub connector is relatively straightforward. Once the pins or sockets are placed inside the shell, the connection is complete. The connection is held in place by the mechanical elements of the connector, such as the locking mechanisms or the tongues that keep the components in place. If the components are disturbed or moved, the connection will remain intact due to the secure connection formed by the metal tongues.

In conclusion, D-sub connectors are used in a wide variety of applications due to their reliable and long-lasting electrical connections. The contacts are typically made of metal or other hard material to ensure the best possible connection. The working principle of the D-sub is relatively straightforward, and the various locking mechanisms help to keep the connection securely in place. This makes D-sub connectors a popular choice for a wide range of applications, such as computers, networking equipment, audio/video equipment, and other electrical and electronic outlets.

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