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D-Sub, D-Shaped Connectors - Contacts

D-shaped connectors, or commonly referred to as D-sub connectors, are pre-fabricated electrical connectors used in the electronics industry that are comprised of a collection of pins or contacts arranged in a "D" shape. D-sub connectors are commonly used in a variety of electronic applications, such as computers, networking, test and measurement equipment, and telephone systems, among others.

The type of application, environment, or even customer requirements may dictate the use of a D-shaped connector. For instance, a hood or an industrial environment may require the use of a waterproof connector, which often requires the use of a sealed D-sub connector. This type of connector is specialized for use in harsh electrical environments due to its special waterproof seals.

There are many different types of D-sub connectors, such as the male and female versions, as well as the combination versions. The types of connectors vary based on the number of pins or contacts. Generally, they can be broken down into two categories based on the number of pins or contacts they offer: the 9 pin D-sub or the 25 pin D-sub.

The 9 pin D-sub is the most commonly used type. It features nine pins arranged in two rows and is commonly used for the parallel port on PCs, modems, and printers. The 25 pin D-sub is larger than the 9 pin D-sub, and it features 25 pins arranged in three rows and is often used in serial ports, networking devices, and musical instruments.

The characteristics feature of a D-sub connector is the metal contact, or "skirt," that sticks out from the connector in order to latch onto the mating connector. This contact also helps provide a way for the connector to be mated to a mating connector correctly. In order to make sure that the connector remains mated properly, the contacts are made of durable materials, such as brass or steel.

In addition to providing the contact, D-sub connectors also help reduce the amount of wiring that needs to be constructed when making a connection. This is because the contacts are already made and only need to be connected together. This helps reduce the amount of time required for installing and wiring the connections. Additionally, it helps reduce the number of errors that can occur when making the connections.

The working principle of a D-sub connector is relatively simple. All that is needed is to mate the two connectors together. This is usually done by lining up the pins on the connector with the holes on the mating connector and pressing them together until they click into place. Once the connectors have been mated, the only thing left to do is to ensure that the pins have been properly secured.

Additionally, it is important to make sure that the contacts are properly aligned before installing them. This helps to ensure that the contacts on the connector are making firm contact with its mating connector. Additionally, this helps to reduce the risk of signal loss due to an improperly installed connection.

In conclusion, D-sub connectors are essential components in many electronic applications. They are used for their high durability and compatibility, as well as for their ability to reduce the amount of time and effort required for making connections. Additionally, their working principle is relatively simple and straightforward, making them easy to use.

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