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Terminal blocks are important components in electronic connections, previously relying partly on solder connections and partly on removable connectors. With the development of electric equipment, terminal blocks build up a bridge to connect electronic wire and printed circuit board. In this article, the focus will be on wire to board terminal blocks, connecting two wires into one print circuit board, and its function and working principle.

Terminal Blocks - Wire to Board

Wire to board terminal blocks, also known as board-to-wire terminal blocks, are often used in control panels of machinery and electronics. In this design, the circuit wires are installed into the wire channel provided by the terminal and then connected to the board either by soldering or crimping. These connections provide an easier alternative to traditional soldering and help to reduce the time taken in minor repairs.

Typically, a wire to board terminal block has two separate parts, including a housing and a contact system. The contact system contains all contacts for the cable connection, electricity, and a insulation sleeve if necessary. The housing includes the cable entry, the contacts leading to the board, and potentially necessary struts to reinforce the system. Construction of such systems is often carried out using plastics like PA or PBT as well as metal alloys such as copper or brass.

Function of Wire to Board Terminal Blocks

The main function of wire to board terminal blocks is to enable effective and secure connections between two different components, in this case, a wire and a PCB board. The purpose of the terminal block is to allow the wire and PCB board to be connected with a secure method that reduces the risk of short circuits. They can also be used to provide a connection point between two different components as well as providing a secure connection.

The contact system of wire to board terminal blocks is designed to provide users with optimal reliability. These contact systems are designed to a specific design that allows maximum area for the connection. This is beneficial as contact is much more reliable if it is over a large area. The contact system also contains two different spring mechanisms. The first is designed to ensure the direct contact between the surfaces of the PCB board and the wires. The second helps to maintain the connection together, ensuring the longevity of the electrical connections.

Working Principle of Wire to Board Terminal Blocks

The operational principle of the wire to board terminal blocks lies in the contact system. The contact system is designed in such a manner that it allows the wires and the board to be securely connected. It transfers the electrical signals from the wire to the board and vice versa.

The contact system contains several spring mechanisms. The first mechanism is used to maintain the connection between the surfaces of the PCB board and the wires. The second mechanism is used to keep the connection intact. This is done to ensure the long-term reliability of the electrical connections.

Once the wires are inserted into the channel, the contact system will transfer the electrical signals from the wire to the board and vice versa. In addition, these boards provide a strong and secure connection, preventing any shorts from occurring.

Application Field of Wire to Board Terminal Blocks

Wire to board terminal blocks have an extensive range of applications. They are an integral part of the electronics industry, with applications in electric power equipment, power supplies, IT equipment, and many other electronic devices. They are also widely used in industrial machines such as robots, industrial injection molding, and various automated systems.

Wire to board terminal blocks can also be employed in telecommunications and networking applications. Thanks to their versatile and reliable connection, they are used in many high-end devices, such as portable antennas, hubs, modems, and DDM products.

With their secure and reliable connections, wire to board terminal blocks are also used in aerospace and military equipment. They are highly integrated components in electronic packages, providing reliable contact in harsh environments. These blocks are also highly suitable when working in high reliability environments such as medical and automotive equipment.

Conclusion

Wire to board terminal blocks are an important component of electronics and have many applications in industry, communications, and military equipment. They provide an efficient connection between wires and printed circuit boards, as well as preventing any possible short circuits from occurring. Their contact system is designed to provide users with the highest levels of electrical reliability. This makes them suitable for many industry applications, ranging from power supplies to antennas and portable hubs.