Precision connectors are a type of component frequently encountered by electronic engineering technicians. The role of precision connectors is quite simple: they act as a bridge between circuits that are blocked or isolated, allowing current to flow and enabling the circuit to perform its intended function. Precision connectors are an indispensable part of electronic devices. If you follow the current path, you will always find one or more connectors. Connectors come in a wide variety of forms and structures, designed for different applications, frequencies, powers, and environments. For instance, connectors used for stadium lighting and hard disk drives are quite different from those used for rocket illumination. However, regardless of the type, connectors must ensure smooth, continuous, and reliable current flow. Generally, the connection of connectors is not limited to current. With the rapid development of optoelectronic technology, light becomes the carrier of signal transmission in fiber optic systems, replacing the conductors in conventional circuits with glass and plastic. Nevertheless, precision connectors are also used in optical signal paths, serving the same function as circuit connectors.