2761499 Connectors, Interconnects

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D-Sub Connectors are a type of electrical connector most commonly used in computers and other electronic equipment. They are used to connect cables and devices such as printers, modems, and hard drives. There are a variety of D-Sub Connector types available, with the most common being the DE-9 type, also known as the DB-9.

The DE-9 type D-Sub Connector is a nine pin, male to female connector typically used to connect serial cables. The DB-9 is most often used to connect various types of computer hardware, including printers, modems, and serial mice and trackballs. It is also possible to connect up to two hard drives with a single cable using the DB-9.

In addition to the DE-9 type, there are also several other types of D-sub Connectors, including the DE-15, DB-15, DE-25, DB-25, and DE-44. These connectors are all male to male and have different pin configurations depending on the particular type.

The DE-9 connector was introduced for use in the first IBM PC computers in 1981 and has since become one of the most widely used types of electrical connectors. Its popularity is due to the fact that it is relatively inexpensive and easy to use. It is also backwards compatible, meaning that it will work with most devices even if they are not designed for use with the DE-9 type.

The working principle behind the D-Sub Connector involves the use of a pin-in-socket type of connection, where a pin is inserted into a socket and then held in place by two plastic clasps. This type of connection provides a secure connection and is highly reliable. The metal electrical contacts within the connector also provide additional electrical shielding, which helps reduce EMI and crosstalk.

In terms of application field, the D-Sub Connector is most commonly used in computer and communication equipment, including servers, routers, modems, and other types of devices. In addition, they are used in the automotive industry, for instruments and other automotive electronics, and in medical equipment.

In conclusion, the D-Sub Connector is a versatile, easy to use and reliable electrical connector that is widely used in many different application fields. Its pin-in-socket design and robust metal electrical shielding provide reliable connections and reduced crosstalk. Although the DE-9 type is the most common, there are several other types of D-Sub Connectors available depending on the particular application.

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