5-204500-4 Connectors, Interconnects

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A D-shaped or a D-Sub is a type of electrical connector, which is widely used in a multitude of applications. It is commonly seen in telecommunications, computer, and industrial automation systems. Generally, the D-shaped or D-Sub housing is a two-piece metal or plastic casing, in which one of the pieces houses several contacts, and the other houses a PCB, or a printed circuit board, along with a guide for the contacts. The contacts are usually connected through soldering or crimping, depending on the type of the pins used.

The two sides of the housing are held together by screws, and sometimes may be equipped with latching mechanisms, such as a slide latch, or a pin-locking latch. Generally speaking, the pin-locking latches, provide a more secure mechanical connection than the other types of latching mechanisms.

The design of the D-Sub usually depends on the application it is used for. In some applications, the connector may have a shutter that covers all contacts when they are not in use, thereby preventing any foreign material, such as dust, dirt, or moisture, from entering the connector and damaging the contacts. The number of contacts the connector has also largely depends on its application. Some connectors may have as few as two contacts, while others may have up to several hundred.

The working principle of a D-Sub is relatively simple, as it involves the insertion of the contacts into the two sides of the housing, and the use of screws or other latching mechanisms to hold the two sides together securely. The contacts can then be soldered or crimped to the PCB. When the other end is connected, the contacts make an electrical connection between the two systems.

The wide variety of different D-Sub models makes them especially useful for a number of applications. They are commonly used in the telecommunications and computer industries, as well as for automated industrial systems and in other industrial applications. In addition, they are often seen in applications where space is a premium, such as in automotive and aerospace applications.

D-Subs provide a secure and reliable electrical connection between two systems, and they are widely used in multiple applications. Moreover, their two-piece construction, latching mechanisms, and the wide range of available sizes and configurations make them ideal for many different applications. As such, D-Subs continue to be an invaluable part of the electrical engineering field.

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