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Rectangular connectors are extensively used in various industrial and military applications and are typically referred to as headers, male pins, or board-mount sockets. The use of rectangular connectors is increasing because of their small size, robust mating retention, and superior performance. Each type of rectangular connectors has a different application field as well as a unique working principle.

Headers are generally used in applications that require a high degree of electrical and environmental protection, such as computer equipment. The most common type of header is the D-subminiature header, which is designed to provide a physical and electrical connection between two printed circuit boards. The header consists of two pieces: a shell that covers the pins, and an insulator containing the contacts. The shell is made of two pieces, each made from a different type of material. The insulator is made of a material that provides electrical insulation between the pins and the contact points. The metal pieces of the shell hold the header in place within the insulating material.

Male pins are typically used in applications that require a low cost, mechanically robust electrical connection. Male pins feature rigid construction and are made out of a variety of materials, such as bronze, copper, aluminum, or zinc. The pin is generally made of two parts: a body and a tip. The body is typically made of metal and is padded with rubber or plastic to ensure a strong mechanical connection between two printed circuit boards. The tip of the male pin is usually made from a non-conductive material such as epoxy or ceramic.

Board-mount sockets are typically used in applications that require secure electrical connections. The board-mount socket is usually made up of two parts: a shell and an insulator. The shell is usually made of either metal or plastic, while the insulator is usually made of a material that provides electrical insulation between the pins and the contact points. The shell is designed to provide a physical and electrical connection between two printed circuit boards, while the insulator is designed to provide electrical insulation between the pins and the contact points.

The primary working principle of each type of rectangular connector is to provide a secure mechanical and electrical connection between two components. This is achieved by locking the two pieces of the connectors together, which effectively creates a seal that prevents any kind of interference from entering or exiting the connection. The electrical connection is further secured by the insulation of the contacts and the shielding provided by the shell. The sealed connection also ensures that the electrical signals are not distorted as they pass between the two devices.

The use of rectangular connectors provides many advantages, including superior signal integrity, cost savings, and robust mating retention. The vast selection of rectangular connectors available ensures that no matter the application, there is a connector to suit your needs. Rectangular connectors are an ideal choice for many industrial and military applications, and are available in a variety of shapes, sizes, and materials to meet the needs of any application.

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