31393112

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Terminal Blocks - Headers, Plugs and SocketsTerminal blocks, headers, plugs, and sockets are designed for large electronic wiring applications. They are all electrical connections which enable connections to be quickly made and removed without the need for extensive re-wiring. They are also used to optimize the efficiency of high-speed signal transmission.Terminal BlocksTerminal blocks are a type of switch which provide an electrical connection between two or more terminals with the help of wiring connections. They are often used where multiple or high-speed connections need to be made in a single area, such as in an automotive assembly, industrial plant, or communication network.Terminal blocks are available in a variety of designs and sizes, with several different contact configurations available which include screw terminals, pluggable terminals, and board-to-board connectors. Terminal blocks can also be provided in a plug and play format, which is ideal for short-term wiring and testing scenarios.Terminal blocks typically consist of a series of poles which are connected in a row, with each terminal circuit having its own polarity. This ensures that positive and negative electric current can be separated, thus avoiding potential short circuits. The terminals of the wiring connections are normally color coded for easy identification.HeadersHeaders are plastic or metal press-fit sockets, used to extend and support the termination points of another circuit. Headers are available in various pin configurations, with common pitch sizes being 2.54mm and 1.27mm. These connectors are ideal for multiple connections, and can be remotely located or placed onto a PCB.Headers are commonly used in computer boards, digital displays, and power supplies, and are also an efficient way to divide the power cords between different devices. Depending on the application, headers may also include protection against EMI and other electrical threats.PlugsPlugs are used to plug into sockets to make connections. These connectors are designed to provide a secure but removable connection. Plugs are often used to connect poles on a board-mounted terminal block, such as on an industrial machine. Plugs may also be used to connect power supply leads between two devices.Plugs are often classified by pitch size (2.54mm and 1.27mm being the most common) and by the number of pins. They are available with various connections depending on the application, including screw threads, screw threads with friction collet, and push on/off locks. Plugs are also provided with a molded plastic body which serves to hold the terminals in place.SocketsSockets are used to connect plugs into board-mounted terminal blocks. They provide a secure but removable connection that can be easily replaced if needed. Sockets can be provided with different pin configurations depending on the application, including two- and three-pin versions.Sockets are often used to connect power cables from different devices, such as computers and displays, as well as for connections on automotive and electrical equipment. They are made of molded plastic and designed to withstand shock and vibration.ConclusionTerminal blocks, headers, plugs, and sockets are vital components used in large electronic wiring applications. They provide an efficient way to create multiple electrical connections and provide a secure connection between two or more terminals. Each type of connector is designed for a specific purpose and designed to withstand different levels of voltage and current.

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