tactile switch:

specification of touch switch series as below,

1) Temperature: -10oC +60oC

2) Withstand voltage: AC 250V (50Hz) per minute

3) Actuating force: 130 - 250gf

4) Contact resistance: 100mohm (max.)

5) Life: 100,000 times

6) Insulation resistance: 100mohm DC 250V7)

7)Rated load: 50mA, 12V DC

Tactile switch 6.8x6.8