017 The general technical performance of tactile switch (C)

The general technical performance of tactile switch (C)

In order to meet the requirements of use, Tiandu tactile switch, before leaving the factory, must have some necessary technical performance, such as Contact resistance, Service life, Insulation Resistance, Actuating force, Travel, Return Force etc.. All of the testing can be finished by our testing department. This article will continue to introduce the testing method of product performance.

8. The testing for Static Strength (Continue with the previous article)
Placing the switch such that the direction of switch operation is vertical, a static load of 3 kgf shall be applied in the
direction of stem operation for a period of 60 seconds. After 60 seconds, There shall be no sign of damage mechanically and electrically.

9. The testing for Operating Life
Measurements shall be made following the test set forth below:
(1) DC 5V 5mA resistive load. DC 5V 5mA;
(2) Rate of operation:2 to 3 operations per second;
(3) Action: 1.5 times operating force;
(4) Cycles of operation: 10×10 4 cycles;
(5) Contact resistance: 200 mΩ Max;
(6) Insulation resistance: 50 MΩMin;
(7) Actuating force: + 30 %or- 30% of initial force.
The testing engineer takes 10-15 samples from each batch and tests them on the fatigue testing machine. The test samples shall meet the following requirements.
(1) There shall be no breakdown.
(2) There shall be no sign of damage mechanically and electrically.
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10. The Testing of Moisture Resistance
Following the test set forth below the sample shall be left in normal temperature and humidity conditions for one hour before measurements are made:
(1) Temperature: 60±2℃
(2) Relative humidity: 90 to 95%
(3) Time: 96 hours
(4) Water drops shall be removed.
(5) Contact resistance: 200 mΩ Max.
(6) Insulation resistance: 50 MΩ Min.
(7) Operating forc: 250 ± 40 gf.
The testing engineer takes 10-15 samples from each batch and tests them on the fatigue testing machine. The test samples shall meet the following requirements.
(1) There shall be no breakdown.
(2) There shall be no sign of damage mechanically and electrically.


Post time: May-26-2022