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Introduction of poor contact of waterproof light touch switch

Release time:2019-08-10    Clicks: Click

 
If we use a waterproof light touch switch, how to solve the problem of poor contact? What are the specific details and treatment? Let's give you a detailed introduction.
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Finally, some abnormal handling of lightly touching switches are discussed.
When lightly touching switch is reflow soldering, rosin may enter the switch because of the nonstandard parameters of some links. The treatment method is as follows:
(1) Do not use industrial alcohol or washboard water for internal cleaning, because industrial alcohol and washboard water will corrode the metal part of the switch and make the switch lose its function;
(2) Please use WD-40 rust-proof oil produced in the United States. This product has the functions of cleaning and lubrication. It can clean the rosin in the internal contacts of the switch and make the switch restore its function (not for silica gel switch);
(3) WD-40 rust-proof oil has many fake and inferior products on the market at present. Please confirm the place of production. There are only two agents in China for WD-40 company, San Diego, California, USA.
(4) If there are problems or bad switches in the process of mass production, please contact the manufacturer in time for on-site analysis.
Then there are some introductions about waterproof light touch switch. First, how to select a standard of waterproof light touch switch is introduced.
IP Waterproof Standard
The main evaluation criterion for waterproof performance of waterproof light touch switch is based on IP waterproof grade standard. Waterproof switch to see how waterproof performance, mainly depends on the IPXX back two digits XX, the first X is from 0 to 6, the highest grade is 6; the second X is from 0 to 8, the highest grade is 8; therefore, the waterproof lightly touch switch the highest waterproof grade is IP68.
Whether the certification is complete or not
ROHS regulations, SGS certification; and with VDE/DEMKO/KEMA (now using EU ENEC), UL/CSA certification. These are the certification requirements of high quality waterproof key switch. It is necessary to export overseas.
(3) Other criteria for judging
Waterproof key switch design is reasonable, long service life, high temperature resistance, high current impact resistance, can meet the specific needs of your products, which should be considered.
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