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Rectangular connectors are relatively old in electrical connection technology. Headers, male pins, and female sockets are among the most common members of the family and are widely used in the electronics industry. This article will explain the application fields and working principles of these components.

Headers are an ideal solution for interconnecting electronic circuits of different components. They are normally embedded in PCBs for easier circuit assembly and provide excellent electrical performance, high reliability and low cost. These components have contacts that are placed in vertical rows, making them almost exclusively used in horizontally-oriented electrical connections. They are widely used in electrical appl ications such as consumer, medical, automotive, aerospace, industrial, telecommunications, and power and control systems.

Male pins are used as electrical contact elements. They are designed to provide electrical connections between two or more components in a device or system. They are normally made of an electrically conductive material, such as copper, brass, aluminum, etc. These male pins come in various sizes to fit different applications. They are commonly used in electronics, communications, and robotic systems.

Female sockets are used to accept male pins for electrical connections. They consist of a female contact that fits into an electrical socket. The contact is usually made of metal and the socket is made of plastic. These components allow one to easily connect and disconnect circuits in the electronics industry. Commonly used in power and communication systems and consumer electronic devices, these components provide reliable connection and easy assembly.

Apart from application fields, it is also important to understand the working principles of these components. Headers generally consist of a row of parallel metal contacts that fit into corresponding slots on the board. The connection is made when an electrical current passes through the contact. Male pins have a cylindrical shape with a flared end that allows them to fit into a female socket. The flared end makes it easier for the contact to form a tight and reliable connection. Female sockets have an open chamber within the plastic housing that is used to accept a male contact. When a male contact is inserted, an electrical current flows through the female contact, making the connection complete.

In conclusion, headers, male pins, and female sockets are widely used components in the electronics industry. They provide excellent reliable electrical connections for different types of applications. Understanding the application field and working principle of these components is essential to ensure the smooth functioning of an electronic device or system.

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