DB51213 Connectors, Interconnects

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D-Sub, D-Shaped Connectors

D-Sub connectors, also known as D-Shaped connectors, are a type of electrical connector that have a D-shaped backshell or hood. These connectors are designed to provide a reliable electrical connection between two pieces of equipment. The backshells, or hoods, are made of metal and come in a variety of sizes, shapes, and colors. The hoods are typically available in two styles: a shielding or non-shielding type.

The most common type of D-Sub connector has two metal strips, known as contacts, which make contact with the pins on the corresponding piece of equipment. These contacts, also known as “mates,” provide an electrical connection between the two pieces of hardware. The contacts are usually made from nickel-plated copper, and the contact surface is often gold-plated to ensure a better connection. The mates can be secured with screws or other fasteners.

The backshells, or hoods, are designed to provide protection for the contacts and the equipment that they are connected to. They are made from a variety of materials such as plastic, aluminum, or stainless steel. They can be either soldered or crimped onto the contacts.

The size and shape of a D-Sub connector can vary depending on its application. For example, they may be used in computer ports, audio devices, or in connectors for industrial and robotics applications. In addition, the shape of the hood can be customized to fit specific applications.

Working Principle

The working principle of a D-Sub connector is straightforward. Two pieces of equipment are connected via metal contacts which make contact with the pins. When these pins are mated together, an electrical connection is created between the two pieces of hardware.

The hood, or backshell, is designed to provide protection from the environment, as well as to keep the contacts secure. It is typically made of metal, and can be either soldered or crimped onto the contacts. The shape of the hood can vary depending on the application, and may include additional features to meet specific needs.

In addition to providing electrical continuity, the D-Sub connector is also designed to provide a reliable mechanical connection between the two pieces of equipment, while still allowing for easy disassembly for maintenance purposes. The contacts are typically designed to have some degree of flexibility, allowing them to wear and break over time without compromising the connection.

D-Sub connectors are used in a wide variety of applications, from computer ports and audio devices to industrial and robotics applications. They are available in a variety of sizes, shapes, and colors, and can be customized to fit specific needs. The hoods, or backshells, protect the cables and contacts from the environment, allowing for a reliable and secure connection.

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