0709282020 Connectors, Interconnects

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D-Sub connectors are a type of electrical connectors used primarily to interconnect two electronic devices or systems in computer, audio and video applications. The D-Sub connectors are characterized by their two connector shells, the male part (the cable plug) and the female part (the receptacle). They are composed of two parallel rows of pins or contacts that enable two-way communication between devices.

D-Sub connectors are widely used in the computer industry. The most common D-Sub connectors are those used to connect a computer to a monitor (the VGA port) and those used to connect a computer to a printer (the Centronics port). They are typically found on motherboards, SCSI devices, serial devices, parallel ports, USBs, Firewire, and Ethernet ports. They are also often used in telecommunications, and sound and video applications, where they are used to connect cables between audio and video components.

The working principle of D-Sub connectors is relatively simple: a conductive contact on each of the pins or contacts that make up the two connector shells forms an electrical connection when the two shells are mated. The conductive contacts are usually made of copper or an alloy, and the shells are typically plastic or a dielectric material. When the two shells make contact, electrical current flows between the contacts and creates the desired connection.

D-Sub connectors are typically grouped into two main categories based on their application field. The first is the “square d-sub”, which are commonly used for computer, audio and video applications. The other is the “angled d-sub”, which is most often used in telecommunications and sound and video applications.

The advantages of D-Sub connectors include convenience, ease of use, low cost, and good reliability. They can also be screwed, slid, or snapped together, allowing for a tighter connection than other types of connectors. D-Sub connectors are also available in a wide range of sizes, shapes, and shell materials, making them suitable for a variety of applications.

In conclusion, D-Sub connectors are a type of electrical connector used for computer, audio and video applications. They are characterized by their two connector shells, the male part and the female part. The working principle of D-Sub connectors is relatively simple: A conductive contact on each of the pins or contacts forms an electrical connection when the two shells are mated. D-Sub connectors are typically grouped into two main categories based on their application field, and they offer a number of advantages such as convenience, ease of use, low cost, and good reliability.

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