2-1589474-1

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D-Sub Connectors

D-sub connectors are a type of electronics connector widely used for various communication and data applications. Originally developed by the DEUTSCH Company to support their industrial and military communication needs, they are now ubiquitous in the consumer as well as professional markets. The name of the connector is derived from their distinctive shape and usually contains the number of contacts connected in the interface – for example, 2-1589474-1.

Application Field and Working Principle

D-sub connectors are commonly used in many different applications, including computer networking, audio/video systems, industrial machinery, and automotive and aviation control systems. In addition, they are used to connect data lines in digital systems such as UARTs and CAN-Bus networks. The most common application is for digital and analog interfaces between computers, computer peripherals, and microcontrollers which require high-speed data transfer rates and reliable signal integrity.

D-sub connector designs vary greatly depending on the application. The most common type is the rectangular D-sub connectors, which can have up to nine pins on each side. Other shapes include circular D-sub and mini D-sub connectors. The connector housing is made of metal or plastic, and the number of pins can range from 9 to 50+ depending on the application. The pins, also known as contacts, can be either male or female, depending on the type of application. The contact pitches generally range from 2.54mm to 10mm, with the most common being 2.54mm.

A typical D-sub connector works in a simple manner. When the plug is connected into the receptacle, the two pins on each side of the connection come into contact. The electrical current flows through these pins and into the cables and devices connected to the connection. Once the power is on, the electrical current flows from the pin on the plug side to the pin on the receptacle side through the connector. The connection provides a secure and reliable connection between devices, as well as a safe path for the power to flow through.

D-sub connectors are also known for their ability to transport large amounts of data. This is due to their design, which utilizes a staggered pin layout. This layout maximizes the number of pins in the connector, increasing the amount of data that can be transmitted through the connection. Additionally, they are also designed to perform in difficult environments, such as extreme temperatures, humid conditions, vibration, and shock. As a result, they are used in a variety of mission-critical applications.

D-sub connectors are a reliable and versatile connector type used in many different types of applications. They are simple to install and provide a secure connection, as well as reliable signal integrity, making them a popular choice in many industries. Additionally, they are designed to perform in difficult environments, making them a go-to option for mission-critical applications.

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