When choosing a usb connector, there are many factors that need to be considered. Among them, environmental parameters are one of the most important factors, including temperature, humidity, and air pressure. Under different environmental conditions, the use of usb connectors is different. Here are some tips for use in extreme environments.

1. Sudden temperature change environment

The stability test is to simulate the actual use of the USB connector from a low temperature environment to a warm environment in a short period of time. This situation mainly occurs in spacecraft, environmental detectors, and other equipment that may face the test of sudden changes in temperature. Sudden changes in temperature may cause cracks or delamination of insulating materials, so it is necessary to select connectors that have passed the rapid temperature change test.

2. Thin air environment

At high altitudes where the air is thin, the gas emitted from the plastic will contaminate the contact pair, and increase the tendency of corona generation, reduce the pressure resistance, and induce short-circuit failure. When the altitude reaches a certain value, the performance of the plastic will deteriorate. Therefore, when using non-sealed connectors at high altitudes, they must be derated.

3. Corrosive environment

In a corrosive environment, usb connectors need to choose connectors with corresponding metal, plastic, and plating structures according to the specific use environment. Like connectors used in salt spray environments, if there is no anti-corrosive metal surface, the performance will quickly deteriorate. In an environment with a considerable concentration of SO2, it is not advisable to use silver-plated connectors. In hot flash areas, mold needs to be guarded against.

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