Electronic connectors define knowledge in terms of function and structure

Understood by its functional definition, an electronic connector manufacturer provides a separable connection directly between two subsystems in an electronic system without unacceptably affecting the performance of the electronically connected system. Separability is the reason we want to use connectors to facilitate the maintenance and upgrading of subsystems or parts of a system. At the same time, the connection must not have any unacceptable effect on the performance of the system. The requirements for separability and unacceptable limits are determined by the specific application requirements of the connector. Connectors have four structural elements, they are: 1. terminal (between) the contact interface; 2. terminal surface treatment; 3. terminal reed; 4. connector shell. 1. terminal (between) the contact interface: the contact interface between the terminals determines the resistance of the terminals, the life of the connector and the occurrence of failure. The contact interface between the terminals has the following two forms: separable contact: each insertion of the connector to form a coupling; sexual contact: the connector is fixed in the subsystem on the point, these points are treated as a connection. 2. surface treatment of terminals: the surface treatment of the terminals has two main functions: to protect the substrate of the terminal reeds do not rust; optimize the contact interface between the terminals. Terminal surface treatment is mainly divided into two categories: precious metal surface treatment is what we call precious metals that is inert metal, mainly gold (Au), palladium (Pd) and its alloys; non-precious metal surface treatment, tin is the most commonly used non-precious metal surface treatment, because of its surface oxidized layer is very easy to connector insertion process is destroyed.3. Terminal Reed: Terminal Reed provides the following three functions: transmission of Power or signal; provide terminal positive force to establish and maintain separable terminal contact interface; 3. Provide sex terminal contact interface connection point. 4. connector shell (HOUSING) connector shell to provide the following four functions: electrical insulation between the terminals; fixed terminal geometric position, conducive to the insertion and dimensional stability; for the terminals to provide mechanical protection and support; will be isolated from the application of the environment of the terminal from the application environment, reducing susceptibility to corrosion.

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