For light touch switch, the material and coating of shrapnel and contact are the key. The material and process of shrapnel and contact need to consider not only its electrical performance, but also its service life. Generally, in order to reduce the contact resistance between shrapnel and contact, brass or phosphor copper is used, and the electroplating is silver plating. In case of iron pins, silver plating can isolate SO2 gas in the air and keep it away from corrosive elements; However, the anti-corrosion time is short. The use of brass or phosphor copper pins will be better. Therefore, the material, the thickness of silver plating layer and its process treatment have become the key to determine the comprehensive performance of pins. In today's market, the excellent silver plating thickness in the market is more than 0.3 microns, which can even triple the gap with the poor thickness. The silver plating process also has thousands of different effects. Some pins are directly silver plated, while some adopt multi-layer plating process, such as nickel plating or copper pre plating.



Then there is the conduction performance of the light touch switch. Because in the physical structure, the light touch switch is conducted by shrapnel and contact, the key to its influence lies in the structure of the contact point. Generally speaking, the larger the contact surface, the better, while the cross contact surface of cxin Chenxin light touch switch contact is a better choice.