Electrical connector is an indispensable part of the electronic industry. It not only allows the current to flow through the circuit, but also facilitates maintenance and replacement and simplifies the production process. It is mainly used for the circuit connection between cables of electrical and electronic equipment and between cables and equipment to realize the transmission of low-frequency signal, high-frequency signal and electric energy (power). The electrical connector is composed of a fixed electrical connector and a free end electrical connector. Fixed electrical connector is a passive connection part installed on the panel and base (or not installed), also known as socket; The free end electrical connector is a movable connecting part with connecting nut or other locking device matched with the fixed end electrical connector, also known as plug. Electrical connectors connect and disconnect circuits by inserting and separating between plugs and sockets.
Due to different places, properties and functions, the materials of electronic connectors are also very different. Some need high temperature resistance, some need corrosion resistance, etc. Therefore, when selecting the material of electronic connector, it depends on the specific situation.
Electronic connectors play an important role in the whole system, so electronic engineers should not only pay attention to chips, but also other electronic components in design and selection. In actual operation, not every kind of electronic connector is suitable, and various situations will occur frequently. If cheap connectors are used, it may lead to the failure of normal operation of the system, product recall, product liability disputes, circuit board damage, rework and maintenance, and eventually lead to the loss of customers, pay a high price and regret.
For the selection of electronic connector, the following points are mainly considered:
1. Clarify their own purposes, specifications and performance requirements.
2. Consider the current, temperature resistance, cold resistance, vibration and other factors according to the service environment.
3. Combined with the installation environment, the space and shape of the connector are basically clear, and the type of connector products used is roughly judged.
4. Mechanical properties such as plugging force can enable the manufacturer to provide test reports.
5. Don't consider the cost and maintenance cost of connectors in the later stage. Finally, pay attention to the best connector.
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