What are the advantages and disadvantages of identifying terminal wires?

Most of the electronic connectors, bare terminal harnesses have to make the surface treatment, generally refers to plating. There are two main reasons is to protect the terminal reed substrate from corrosion; the second is to optimize the performance of the terminal surface, the establishment and maintenance of the contact interface between the terminals, especially the film layer control. In other words, to make it easier to achieve metal-to-metal contact.

-I. What are the advantages and disadvantages of terminal wires to identify? Preventing corrosion:Most connector reeds are made of copper alloy, which usually corrodes in the usage environment, such as oxidation and vulcanization. Terminal plating is to isolate the reed from the environment to prevent corrosion. Plated materials, of course, if not corrosion, at least in the application environment. Surface optimization: Optimization of the surface properties of bare terminals can be achieved in two ways. One is in the connector design, to establish and maintain a stable terminal contact interface. The second is to establish a metallic contact that requires any surface film layer to be absent or ruptured upon insertion. The difference between the two forms of absence and rupture of the film layer is also the difference between precious metal plating and non-precious metal plating. Precious metal plating, such as gold, palladium, and their alloys, is inert and has no film layer of its own. Therefore, for these finishes, metallic contact is "automatic". What is to be considered is how to maintain the "nobility" of the terminal surface from external factors such as contamination, diffusion of the substrate, terminal corrosion, etc.

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