Brief introduction to connectors and electronic connectors

One, what is a connector? Connectors are often touched by electronic engineering technicians. Its function is simple: setting up a communication bridge between blocked or isolated circuits in the circuit, so that the current can flow and the circuit can achieve the predetermined function. Connectors are an indispensable and important part of electronic products. On a flowing line, you will always see one or more connecting lines. Connectors are varied in form and structure. There are a variety of connectors, such as applicable objects, frequencies, power, application environments and so on. For example, the connector for lighting the stadium is very different from the connector for hard disk and the connector for ignition rocket. However, no matter what kind of connection method, it is necessary to ensure smooth, continuous and reliable current flow. Connectors can not only connect current, but with the rapid development of optoelectronic technology today, in optical fiber systems, the carrier of signal transmission is light, and glass, plastic, etc. are used to replace the wires of general circuits. Connectors are used for optical signal paths, and their functions are the same as Circuit connectors are the same.

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Second, what is an electronic connector? This connector includes two parts: the plug-in and the connection. Although the two can be completely separated, the similarity between the switch and the connector is that the circuit conversion is realized by changing the contact state of each other. The most fundamental difference is that the connector has only two states: plugging in and unplugging. The switch can realize circuit conversion on its body, but the connector cannot be converted on its body. The contacts of the connector should be fixed. The technical specifications of the plug-in are similar to those of the switch, such as contact resistance, insulation resistance, withstand voltage, torque and life, etc. The service life is usually much lower than that of the switch, but the contact reliability is much higher than that of the switch. In transportation, communication, network, IT, medical care, home appliances and other industries, the technical level of supporting products has developed rapidly and the market has grown rapidly, which has played a strong role in promoting the development of connector technology. So far, connectors have developed into a complete product category, rich varieties and specifications, diverse structural forms, subdivided professional directions, obvious industry characteristics, and serialized product standard system. The development of connector technology has the characteristics of fast signal transmission speed, fast digitization, comprehensive transmission of various signals, small product size, low product cost, characterization of connection termination mode, module combination, convenient plugging and unplugging, etc.

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