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D-Sub, D-Shaped Connectors - Contacts are widely used in common electrical devices such as computers, servers, industrial monitors, digital audio/video equipment, and communication systems. The D-Sub connector consists of two parts: the metal shell and the female or male socket. The male connector is generally composed of a male pin, a plastic bevel nut, a set screw, and a metal finger shield. The female connector is usually composed of a rubber seal, a plastic stop nut, a spring-loaded female contact, a set screw, and a metal finger shield.

The performance and operation of the D-Sub connectors depends upon the contact\'s ability to carry electrical current. The contact must be able to maintain a good connection with the mating surface, resist corrosion, and be able to withstand the various mechanical and environmental stresses that are encountered in its application. The contact must also have sufficient spring force to ensure a good electrical connection between mating surfaces.

The metal shell of a D-Sub connector acts as a shield against EMI and signals. It also protects the connector from damage caused by mechanical shock and vibration. The shield is generally made of brass or aluminum and is designed to provide maximum protection from EMI, RFI, and other electromagnetic interference. The shield can also be made of steel, stainless steel, or plastic.

The terminations of the D-Sub connectors are usually made of gold-plated or tin-plated copper, and are designed to provide a good electrical connection between the mating connectors. The gold-plated pins are suitable for high-frequency applications, while the tin-plated pins are better suited for low-frequency applications.

The D-Sub connectors have many applications in the industrial, commercial, and consumer markets. They are commonly used in industrial and consumer electronics, automotive, military, and aerospace electronics, computers, networks, and test and measurement equipment. They are also widely used in communication systems, medical equipment, televisions, and video monitors.

The work principle of the D-Sub connector is simple and straightforward. The mating contacts create a connection between the two contacts. When the contacts are in proper contact, an electrical current is created between the two contacts, allowing the device or system to operate. The contacts must then be maintained in proper contact for the device or system to continue to function properly.

In conclusion, D-Sub, D-Shaped Connectors - Contacts are widely used in numerous common electrical devices. They are designed to provide protection from EMI, RFI, and other electromagnetic interference. The performance and operation of the D-Sub connectors is dependent upon the contact\'s ability to carry electrical current, while the metal shell of the connector acts as a shield against EMI and other signals. The work principle of the D-Sub connector is simple and straightforward; the connection between the two contacts allow for the device or system to function correctly.

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