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Rectangular connectors, headers, male pins find wide application in various electrical and electronic components, industrial automation systems, consumer electronics, and manufacturing industries. They are available in various sizes and configurations, depending on the requirements of the particular application. Generally, these connectors are made of durable materials, such as copper, nickel, brass, aluminum, stainless steel, steel, thermoplastic, or polymer-based materials; and the selection of material needs to be taken seriously to guarantee optimal durability and performance. Compared to traditional connectors, rectangular connectors are lighter in weight, space-saving, and resistant to water and dust. To further understand their working principle and application fields, this article will first explain the primary components of a rectangular connector and then provide insight into the common application fields of this type of connector.The primary components of a rectangular connector are the contacts. An array of standard contacts are available in both signal and power versions, with various pin counts to suit the desired purpose. Generally, the contacts are made of copper, and in some cases they may be tinned for added corrosion resistance. The contacts are commonly referred to as “male” or “female” depending on whether they are inserted into an array of female contacts or into an array of male contacts. The “male” contacts are typically inserted into a female contact that is designed to accept them. This type of connector also uses a locking or latching mechanism to ensure the contacts are held in place.Rectangular connectors are found in a wide variety of application fields, such as consumer electronics, telecommunications, automotive, and medical equipment. In consumer electronics, such connectors are used to connect audio receivers, amplifiers, and other devices together. In telecommunications, they are used to connect telephone lines and other communication lines. In automotive, they are used to connect electrical components, and in medical equipment, they connect monitors, displays, control systems, and other devices.The working principle of a rectangular connector is simple. When two corresponding contacts are linked, electricity or data can pass through the connection. Depending on the application, this could be a signal, power, or a combination of both. The contacts may be in direct contact with one another, or in some cases, they may need to be connected with an intermediary element such as a cable or a wire. Generally, the contacts are held in place by a locking or latching mechanism, which keeps the connections secure and stable.In conclusion, rectangular connectors - headers, male pins - are an integral part of a vast array of different industries and applications. This type of connector provides a simple and efficient means of interconnectivity between various components and systems, and their working principle is straightforward. As such, these connectors will likely remain a vital tool in a variety of industries for many years to come.

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