Connector waterproof metal vs. plastic

A waterproof connector, as the name suggests, is a connector that can function properly even when wet or with moisture. Usually by the metal contact conductor and shell metal composition. Some people may say, the plastic shell can not? 1. mechanical life: mechanical life, in layman's terms is the number of times the life of the insertion and extraction, in order to achieve the connector's specified mechanical life, waterproof connector contact resistance, insulation single rent and withstand voltage indicators should not exceed the specified standard values, on this point look at the metal shell and the plastic shell of the difference is not very big. 2. electrical performance: here the electrical performance mainly refers to the Rated voltage, rated current, contact impedance, insulation resistance and so on the provisions of the standard value, and these metal and plastic shell of the standard value are the same. Environmental parameters: environmental parameters include ambient temperature, humidity, rapid changes in temperature, atmospheric pressure and corrosive environments and so on. In the process of using the waterproof connector, the environment is very great impact, so we should be based on specific environmental conditions to choose the appropriate metal shell, which will be much better than the choice of plastic. 4. termination: the so-called termination is said to be waterproof connector male and female connector hardware contacts and wire and cable connections. Metal shell and plastic shell connection is the same, the specific connection has welding, crimping, winding, piercing, screws five.

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