ESQT-120-03-L-S-375

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Introduction to ESQT-120-03-L-S-375 rectangular connectors

ESQT-120-03-L-S-375 rectangular connectors, or Headers, Receptacles, Female Sockets, are a type of electrical connector commonly used in a variety of applications. They are available in a range of styles and sizes. The ESQT-120-03-L-S-375 is a 3-pin, right-angle, low-profile and tin-plated, version of this rectangular connector.

Application field of ESQT-120-03-L-S-375

The ESQT-120-03-L-S-375 is ideally suited to applications where size and/or space constraints are an issue. It is commonly used in automotive, telecommunications, instrumentation, audio/visual, and industrial control industries. The low-profile design of the ESQT-120-03-L-S-375 ensures it can fit into even the most restricted of spaces. Its tinned finish also enhances its electrical insulation capabilities.

Working principle of ESQT-120-03-L-S-375

The ESQT-120-03-L-S-375 is a three-pin connector that typically connects between an electronic component and a printed circuit board. It consists of three contact pins (typically the same size) and a plastic body. The contacts are typically made of pre-tinned copper or brass and are generally insulated from each other.

To ensure a reliable connection between the connector and the circuit board, the pins go through a process called "wave soldering." This involves the use of a wave soldering machine, which consists of a bath of molten solder. The molten solder is used to create a "solder pool" onto which the entire PCB and connector are immersed. The solder attaches itself to the surface of the pins and the circuit board, thus creating a bond between the two. Wave soldering is a commonly used technique in the electronics industry as it ensures a fast, reliable connection between the two.

In addition, the plastic housing of the ESQT-120-03-L-S-375 provides insulation and mechanical strength to the connection. This ensures that the connection is secure and reliable, as well as protecting against corrosion and other environmental factors.

Conclusion

The ESQT-120-03-L-S-375 is a type of rectangular connector commonly used in a range of industries. Its low-profile design and tinned finish ensure that it can fit into even the smallest of spaces, while its use of wave soldering ensures a reliable connection to the circuit board. By integrating this connector into an application, it’s possible to establish a reliable, secure connection between a component or piece of equipment and a printed circuit board.

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