Vibration sensor SW-18020 is a piezoelectric accelerometer that senses vibration. It is a switch that reacts (connects) to vibration, i.e. moves. When a force acts on the sensor, it is connected, and when the force does not work, it is not connected.
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 reverted to the “OFF-State”.
In the normal, the switch's 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 shake instantly, and then turn to open again when motion is gone.
Max Voltage: 12V
Max Current: 50mA
Conductive Time: ~2ms
Closed Resistance: < 10 ohms
Open Resistance: > 10M ohm
Operating Temperature Range: -40 to 80 C
Pull Force of Terminal: 500gf for 1 min
Operating Lifespan: up to 200,000 cycles
Dimensions (excluding pin): 4.77 mm (0.19in) diameter x 11.18 mm (0.44in) length
Dimensions (including pin): 21.5 mm (0.85") length
1 X SW18015 vibration sensor