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Causes and solutions of cracks in touch switches

Release time:2018-11-08    Clicks: Click

 
If the lightly touched switch cracks to check where, what is the reason for the specific details we will give you a detailed introduction below.
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Why does the touch switch factory introduce the key to touch the key switch? To avoid this problem, a good welding temperature curve is required for reflow soldering. If wave welding is not used for reflow soldering, this failure will increase greatly. MLCC is also necessary to avoid manual soldering with soldering iron. But things are not always ideal. Soldering iron is sometimes unavoidable. For example, for PCB outsourcing processing electronics manufacturers, some products are very small, patch outsourcing manufacturers are unwilling to accept such orders, only manual welding; sample production, generally manual welding.
It is necessary to weld the button switch manually when it is reworked or repaired under special circumstances. When repairman repairs the capacitor, it is not conductive. In this case, it is known that the critical voltage (breakdown voltage) of the capacitor is not exceeded. Any substance is relatively insulated when the voltage at both ends of the substance increases to 1. After a certain degree, matter can be electrically conductive. This voltage is called breakdown voltage. Capacitance is no exception. After the capacitor is broken down, it is not an insulator, but in the middle school stage. Such voltage can not be seen in the circuit, so all the work below the breakdown voltage can be seen as an insulator.
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