1689954

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D-Sub, D-shaped Connectors - Housings

D-Sub housings are an extremely useful connection device, particularly in modern computer and electronic applications. They are also known as D-shaped connectors, and consist of a plastic housing that contains a selection of female (socket) or male (plug) terminals, typically in rows and columns of three, five, or nine. The contacts remain secure when electrical cabling is inserted, and the the D-Sub housing allows connectors to be linked or „daisy-chained” to create a larger connection.

The term „D-Sub” comes from the distinctive shape of the plastic housing - the contacts form a „D”-shape when viewed from the side, hence „D-shaped Connectors”. Depending on the number of contacts required, the corresponding size of connector will be selected; typically referred to as 9, 15, 25, 37, 44 and 50 pin types.

The 1689954 application field and working principle of the D-Sub, D-shaped Connector - Housing system is similar to that of other connector types, in that it allows a secure connection between two or more devices. The user will typically use a variety of different cable assemblies to join the housings together, depending on the application and type of connector in use. For example, an application requiring a larger number of connections would require a larger number of „daisy-chained” connections, which may require the use of three or more cables of varying lengths between the devices.

In terms of the actual connector assembly, the internal contacts are typically stronger than those found on the actual housing. A „securing cap” is also used to ensure contact integrity. This cap also serves to retain the connectors in place, when the cables are removed. Furthermore, each contact is thoroughly tested for a secure connection and durability, prior to the assembly of the connector’s housing.

The 1689954 application field and working principle of the D-Sub connector is now almost universal; it is commonly found in computer peripherals such as monitors, speakers and printers as well as in communication equipment and other industrial applications. Its flexibility, reliability and affordable cost make the D-Sub the connector of choice for a huge range of applications. The small size and low weight of the connectors make them particularly suitable for use in space-constrained applications, whilst their impressive signal strength-to-contact size ratio ensures reliable and accurate signal transmission.

In conclusion, the 1689954 application field and working principle of D-Sub connectors is clear - they provide a reliable and secure connection between two or more devices, with a variety of contact and cable assembly options available. As such, they are an extremely versatile and cost-effective choice for a huge range of industrial, commercial and domestic applications.

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