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D-Sub, D-shaped connectors are electrical connectors with contacts. These contacts are shielded connectors which provide a metal shell used for reliable protection against electrical interference. D-sub contacts are made up of two different types of material: solder and crimp. Solder contacts are made from tin plated copper and are used in applications where accuracy and precision in electrical joining is essential; these contacts are also very fuel resistant and are favoured where temperature changes often occur. Crimp contacts provide a very secure connection which is made between two cables using a single crimping collar or compression fitting. They are mainly used in applications where reliability is more important than accuracy.

D-Sub, D-shaped connectors work by making metal contact between both ends of the contact. The contact has two parts: a male and a female. These parts are joined together by means of a pin/socket arrangement, and the electrical connection is made when the male and female contacts are compressed together. The main purpose of this type of contact is to provide a secure connection between the two cables which is able to maintain a stable electrical connection, even when subject to heavy environmental exposure or mechanical strain.

The contact surface of a D-sub is designed to have an insulating layer of material to prevent any current flow between the contact surface and the contact pins. The contact surface is also designed in a way that it will ensure a reliable metal contact between the contact pins and the contact surface. This is done by having a mesh of contact pins which reduces contact resistance and ensures that the correct current flow is maintained.

In addition to the contact surface, the contact pins and sockets in D-sub connectors contain many safety features to protect against EMI, temperature, vibration and contact corrosion. For instance, the contacts may be plated with gold, tin or silver, which not only provide good electrical conduction but also create a stainless steel barrier which prevents oxidation of the contacts. The contact pins and sockets also have a built-in protection layer which further enhances the lifetime of the contact.

D-sub, D-shaped connectors are commonly used in a variety of applications including computers, communications equipment and other electrical equipment. These connectors are most commonly used to join two cables together in a secure way. By joining two cables together, it ensures that both cables are electrically and physically connected in a reliable way, and also provides protection from electrical interference.

In conclusion, D-Sub, D-shaped connectors are electrical connectors with contacts which provide a metal shell used for reliable protection against electrical interference. The contact surface of the connector is designed to provide a reliable connection between the two cables, and the contact pins and sockets contain safety features which prevent EMI, temperature and vibration. D-sub connectors are commonly used in a variety of applications and are most commonly used to join two cables together.

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