This is a really simple vibration switch, it use very common in electronics toys, alarm, domestic appliance, electronics devices, smart home system. It is based on Spring System which closes the connection between two terminals when switch vibrates or Shakes.
automatic power-off function for household appliances
Air conditon / Air warm blower fall prevention protect switches
SW-18020 series is spring type, Non-direction vibration induced trigger switches, any angle can be trigger.
The series of switches, at the rest is open circuit “OFF-state”, When the external force to touch and reach the corresponding vibration, Or move in speed to reach the adequate centrifugal force. The conductive feet will be conduct instantaneously “ON-State”. When the external force disappear, the switches will be revert the “OFF-State”.
Switch have the identification “P” at the bottom, for completely airtight;
The series of switches, different model has different sensitivity.
In the normal, the switches lifespan can be reached 200,000 cycles.
Suitable for the toys, anti-theft alarm system, electronics scales etc electronic product.
It doesn’t have a direction, normally it’s open circuit inside, and it turns to close when it is shaked instantly, and then turn to open again when motion is gone.