What is a waterproof rectangular connector? How to design a waterproof rectangular connector?

Waterproof rectangular connector is a kind of connector specially used in outdoor environment or wet environment, it can effectively prevent water, dust, sand, vibration and other external factors on electronic equipment interference and damage, to ensure the normal operation of the equipment. In some industrial, military, aviation and other fields, waterproof rectangular connectors are very important electrical connection components. Waterproof rectangular connector design needs to take into account many factors, including the following aspects: 1. Shell design: waterproof rectangular connector shell is generally made of metal materials or high-strength plastics, with good impact resistance and corrosion resistance. In order to prevent water from entering the connector inside, the connector shell must have a certain degree of sealing performance, usually using O-rings or sealing gaskets to achieve. 2. contactor design: waterproof rectangular connector contactor is generally made of high-precision copper alloy or stainless steel materials, with good electrical conductivity and corrosion resistance. The number and arrangement of contactors according to the function of the connector and the use of environmental needs to determine.3. Insulation design: waterproof rectangular connector insulation material inside the requirements of good resistance to high temperature, corrosion, voltage and other properties to ensure the stability and reliability of the electrical connection.4. Sealing design: waterproof rectangular connector sealing design is to ensure that the waterproof performance is the key, generally use O-ring, sealant gasket, rubber plugs and other seals to achieve. O-ring, gasket, rubber plugs and other seals to achieve. Waterproof rectangular connectors in the design also need to consider the following aspects: 1. external dimensions and connection: according to specific application requirements, select the appropriate external dimensions and connection to ensure that the connector can meet the installation requirements of the equipment. 2. use of the environment: different use of the environment requires different waterproofing level, waterproof rectangular connector waterproof grade according to the specific use of the environment to determine. 3. Electrical performance: the electrical performance of the waterproof rectangular connector including rated voltage, rated current, contact resistance, insulation resistance, etc., need to be selected according to the specific application.

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