The PIN pin is a metal substance used in the connector to complete the transmission of current and signal. It is a key component of industrial connectors and is usually installed inside the connector in a needle shape. It is known as "industrial teeth", which directly determines the quality of the product, so reasonable design and excellent quality are very important. If you have a pin connector, please click TXGA【Product Center】, one-stop shopping, and online customer service to provide you with consulting services throughout the process.
When selecting the material of the PIN pin of the industrial connector, it is necessary to consider the combination of reducing the shrinkage resistance Rs and the film resistance Rb. For example, brass, nickel, tungsten and other materials are easy to form an oxide film, and they can only be selected by removing the film by mechanical or electrical methods. Although silver oxide has good electrical conductivity, it may produce sulfides. Materials like gold are difficult to oxidize, but it is too soft and risks plastic deformation.
There are some rigid product standards for high-quality industrial connector PIN pins:
1. Under normal current, the temperature of the pin will not rise too high.
2. Short circuit current tolerance.
3. Medium insertion and extraction work.
4. Easy operation.
It should be noted that in the actual design process, contact resistance is difficult to calculate, requiring a lot of experiments and good experience.
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