1793770000

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Terminal blocks - Headers, Plugs and Sockets - are essential components of many electronic systems, but understanding the different types and their applications, as well as their working principles, requires knowledge of the technology. By far the most popular type of terminal block for general-purpose applications is the 1793770000, which is available in two formats: a header type and a plug and socket type.

Header Type Terminal Blocks

The header type terminal block is used for making mounting holes in printed circuit boards, and for connecting boards together with wires. It consists of two parts: a header and a receptacle. The header fit into the assembly’s mounting hole, while the receptacle has a hole to accommodate a discrete wire, or to accommodate a pin or female connector on a printed circuit board. To ensure that the two parts mate properly, the header is physically sized and the receptacle is made slightly larger.

The 1793770000 header terminal block has a two-level design. The top levels are the mechanical and electrical contacts for the interconnection of two circuits. On the bottom level is the insulation and the mechanical locking. All parts of this terminal block are rated for a minimum of 0.3mm spacing with a maximum of 2mm spacing, which makes them ideal for low voltage and medium voltage applications.

To use the header terminal block, simply insert the header into the mounting hole. Then, insert the discrete wire into the receptacle, or the female connector into the receptacle. Finally, use a pair of pliers to lock the terminal block in place.

Plug and Socket Type Terminal Blocks

The plug and socket type terminal block is also commonly used for connecting circuits together. It is a cost-effective solution for connecting systems at low-to-medium current levels, and usually relies on the use of insulated contacts to prevent accidental shorting. The 1793770000 plug and socket type terminal block uses a 2-level design in which the upper level consists of the electrical contacts, and the lower level consists of the insulation and mechanical locking.

This type of terminal block is easy to use. First, simply place the contacts into the sockets and then press the locking tab to ensure a secure connection. This type of terminal block can also be chained together to provide additional connections or extra power.

The plug and socket type terminal block is also ideal for applications that require hot swappable connections. This allows for quick disconnection and reconnection of circuits without having to physically disconnect the circuits. This is useful in situations when a product needs to be tested or serviced, and for applications where circuits need to be easily replaced in a product’s lifespan.

Working Principle

The working principle of a terminal block is relatively simple. It provides an electrical connection point between two separate circuits. The electrical connections are made through the contact pair and the insulation is provided by the outer shell. The mechanical locking provides the necessary tension to ensure a secure connection.

Depending on the configuration, terminal blocks can provide a quick connection point for discrete wires, provide a way to interlock multiple boards together, or provide hot swappable connections for testing or servicing.

Conclusion

Terminal blocks are essential components in many electronic systems, and the 1793770000 terminal block is a popular choice. It is available in both header and plug and socket designs, and is suitable for applications requiring electrical connections at low- and medium-voltage levels. Its working principle is straightforward: it provides an electrical connection point between two separate circuits. Its versatility makes it a great choice for a variety of applications.

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