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Terminal blocks - headers, plugs and sockets are essential components in many electronic devices. They are typically used to connect metal blocks, wires, and other components to a circuit board. They are an extremely versatile form of connection because they allow for a wide array of electrical components to be used in a variety of ways. The two main types of terminal blocks are headers and plugs. Each type has different applications and different ways of working.

Terminal Block Headers
Headers, also known as block terminals, are the most common type of terminal block. They consist of two pieces, a base and the mating part. The base is the part that is mounted to the circuit board, while the mating part is typically attached to a cable or wire. Headers are often used to connect boards or devices at the end of a cable. They use pins or screws to connect two components together, and they are able to provide secure and reliable power and control signals.

Terminal Block Plugs
Terminal block plugs are used when connecting two components together. They are often used in applications where the components are not designed to mount directly to the circuit board. Plugs are typically used to directly connect two wires or components together. They use either soldered connections or lugs to provide a secure connection. The most common type of plug is the right angle plug. This type of plug has an angled stud that connects to the lower portion of the plug to provide the electrical connection.

Terminal Block Sockets
Terminal block sockets are used in applications where the components need to be mounted directly to the circuit board. They are typically used to connect two components, such as boards and wires. Sockets use pins or pins and screws to connect components to the board. They provide a reliable and secure connection, and they are often used in applications where space is at a premium.

Working Principle of Terminal Blocks
The working principle of terminal blocks is based on the contact between two conductors. The electrical contact between them is then closed, completing a circuit and allowing current to flow. The amount of current that is allowed to flow depends on the type of terminal block that is used. The amount of current is regulated by the size of the contact points, which varies depending on the type of terminal block. Some terminal blocks can be adjusted to provide different levels of current.

Terminal blocks - headers, plugs and sockets are essential components of many electronic devices, allowing for the efficient connection and power transmission between components. They are simple, cost-effective solutions for many applications. While each type of terminal block has different applications and working principles, they all provide reliable and secure connections for power and control signals.

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