787229-1 Connectors, Interconnects

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D-Shaped connectors, more properly known as D-Sub connectors, are one of the most common types of electrical connectors available. They have an array of typically nine pins arranged in two rows, with the outer two pins in the top and bottom rows of the connector forming a "D", hence the name. The number of pins and connectors can vary though, ranging from as little as four pins up to as much as 44 pins.D-Sub connectors are favored among engineers for their versatility, orderliness, and ability to be densely packed in small spaces. The design of the D-Sub connector housing makes them ideal for use in tight, compact locations. They are used for a variety of applications, including computers, audio equipment, medical equipment, communications, and automation systems.

787229-1 is an example of a D-Sub type connector. It consists of two main components, a backshell and a hood. The backshell is the metallic body that attaches to the wire or cable. The hood acts as a dust shield and strain relief for the cable. The hood also acts as a secondary layer of protection, providing shielding against EMI while also minimizing mechanical stress on the wires.

The 787229-1 backshell is designed to fit standard size 19-pin D-Sub connectors and is built to withstand harsh environments with a degree of protection ranging from IP67 for the enclosure to IP60 for the contacts. The backshell has mounting ears with .250-28 threads for securing the enclosure in place. It also features gaskets and seals to protect against dust, debris, and moisture. The hood has a screw-on mechanism to secure the backshell.

The working principle behind a D-Sub connector is simple. Once the connection is made, the current flows through the pins of the plug, which makes contact with the female socket of the D-Sub connector. These contacts create an electrical connection between the two devices, which allows for the transfer of electrical signals, audio signals, digital, and even data communications. The pins are also surrounded by metal which acts as a shield to help protect against electromagnetic interference.Overall, 787229-1 is a reliable and durable D-Sub connector with a backshell and hood designed to increase its protection. It is suitable for a variety of applications, including audio equipment, medical equipment, communications, and automation systems. With its small form factor, it is ideal for tight installations in places where space is limited. It also offers excellent shielding capabilities, making it suitable for high-speed and low-noise applications.

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