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D-Sub, D-Shaped Connectors - Contacts

D-sub connectors, otherwise known as D-shaped connectors, are a type of connector used in electrical and electronic equipment. They use two or three metal contacts that connect the two parts of the device. The contacts are usually either flat surfaces or round pins, and they are designed to be inserted into the mating holes in the connector. The contacts are usually divided into two categories, the first being male contacts and the second being female contacts. The male contacts are designed to fit into the female contacts, and the female contacts are designed to fit into the male contacts.

The most common type of D-sub connectors are pcb-mounted, meaning that the contacts are fixed onto the printed circuit board. This type of connector is most often seen in electronics devices like computers, DVD players, and video game consoles. The contacts can also be crimp-terminated, where they are crimped onto wire that is then inserted into the connector. Crimp-terminated contacts are often used in automotive and aviation applications.

The contacts on the connector are usually made from copper, which has a low electrical resistance, which means that it is able to conduct electricity effectively. The contacts can also be made from other materials, such as brass, aluminum, and steel. The contact surface of the connectors are usually plated with either gold, silver, or nickel, which reduces the resistance and improves the conductivity of the contacts.

The contacts of a D-sub connector can be arranged in a variety of configurations, the most common of which is the pin-and-socket arrangement. This consists of a socket contact and a pin contact arranged in a perpendicular fashion. This arrangement is usually used for signal transmission, where the socket contacts are used for transmitting data and the pin contacts are used for grounding. Other arrangements include the smooth-bore type, which is suitable for carrying power signals, and the dimple-bore type, which is suitable for carrying electrical current.

The D-sub connectors can be used for a variety of applications, including but not limited to: serial ports, Ethernet connections, digital video connections, aerospace applications, and more. They are also commonly used in home theater equipment, CCTV cameras, and video game consoles, as they provide a secure connection with minimal interference. D-sub connectors are typically available in a variety of sizes and shapes, including circular, rectangular, 1/4-inch, and other less common shapes.

When used correctly, the D-Sub connectors provide a secure connection with minimal interference and offer a reliable and durable connection. This makes them a popular choice for professionals and hobbyists alike. With the numerous available sizes and shapes, the D-Sub connectors are a versatile and cost-effective solution for many electrical applications.

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