4 * 4 light touch switch application and precautions:



1、 Use force and resilience. Whether the service force is within 260 ± 50F and whether the rebound force is less than 50F.





2、 Look at the appearance. The appearance should not have too much stains, the packaging should not be scattered, or the mixed packaging should be wrong, the pins should not be oxidized, and the touch of the keys should be better.





3、 Touch resistance. 5. ≥ 100m Ω (5VDC, 10mA, 1000Hz) is not included in the plan of the confession.



4 * 4 light touch switch application and precautions:



4、 Structural scale. The length, width and height shall not exceed the planning of the specification.





5、 Tin wettability test. After the tin wettability test, the tin surface shall be less than 80%.





6、 It will not be damaged if it is placed at about 1m under the normal temperature underwater for about 30 minutes.



The above summary of 4 * 4 light touch switch is relatively in place