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D-shaped connectors, also known as D-Sub or D-Sub connectors, refer to a subset of electrical connectors with the letter “D” in their names. These devices are generally used to be attached to the end of a wire or cable that provides the power. The most common types of D-Sub connectors are the three-point contact patch, three-pin female, four-pin female and seven-pin female.

The application field of D-Sub connectors is extremely vast. In consumer electronics, they are usually used in video game consoles, PCs, LCDs and televisions. Additionally, they are also used in a variety of industrial settings including in robotics, aerospace, medical, security, and communications systems.

The working principle of a D-sub connector is fairly simple. It is composed of a base component that can be hooked up to an electrical battery and wires and a conducting hood or body that slides onto the backing part. The hood helps to make the connection stronger and more secure. When the hood is attached to the base, the contacts are compressed, which is what creates the electrical connection.

D-Sub connectors with backshells, hoods, are a form of added protection for those connectors. A backshell is a metal or plastic covering that goes over the outside of the cable connected to a D-Sub connector. This covering provides an additional layer of protection to the wires and pins connected to the connector. In addition, a backshell can help to protect against corrosion, EMI, and can also help to reduce crosstalk. A backshell also makes it easier to mate and unmate the two components that are connected with the backshell and connector. Hoods are also available for use with D-Sub connectors and serve the same purpose as a backshell in providing an extra layer of protection and shielding.

At the end of the day, D-Sub connectors with backshells and hoods are extremely useful and reliable. The robust design and extra protection helps to ensure that the connections last for years and can withstand harsh environments. As such, they can be used in a variety of applications, including industrial, consumer electronics, and medical, with confidence.

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