What are the differences between metal and plastic housings for waterproof connectors?

I. Waterproof connector metal shell and plastic shell what are the differences? Metal and plastic (nylon ta66) shell of the different points:1. Mechanical life waterproof connector mechanical life refers to the number of times the life of the insertion and extraction, in the industry standard is usually 500 ~ 1000 times. When the specified mechanical life, the waterproof connector contact resistance, insulation resistance and withstand voltage should not exceed the specified standard values, metal shell and plastic shell is not much difference between the 2.2. electrical performance rated operating voltage, rated output current, contact AC impedance, insulation resistance, etc. according to the specified standard values, which is the same for metal and plastic shells. 3. environmental parameters of the main environmental parameters for the ambient temperature, humidity, temperature fluctuations, temperature and humidity. The main environmental parameters are ambient temperature, humidity, temperature fluctuations, atmospheric pressure and corrosive environments. Waterproof connector in the use and storage process, the transportation environment has a significant impact on its performance, must be based on the actual environmental conditions of the corresponding metal shell will be better than the plastic shell. 4. termination mode termination mode refers to the waterproof connector male and female connector hardware contacts and wires and cables between the connection mode. Metal and plastic housings are the same.

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