2pc 5v-20v Small Piezoelectric Active Buzzer Beeper Alarm

Product Details :

breadboard friendly
Works as beeper and alarm

Buzzer type Piezoelectric
Diameter 12mm
Height 18mm
Weight 2g
Polarity marked on surface
Number of pins 2
Pin type through holes
Package contains 2 x small piezo buzzer
color black

29.66 ex. GST

The piezo buzzer works on the principle of the piezoelectric effect and produces sound based on the reverse of the piezoelectric effect. the electric potentials difference across piezo material is a reason to generate pressure variations. Piezo buzzer is most famous among other types of buzzers because of the higher sound generation using less current. Other names of buzzers are an audio alarm, beepers, audio indicator, audio transducer, audible alarm.


  • Operating voltage: 4v to 8v
  • Rated voltage: 6v
  • Rated current: 25mA
  • Operating current: ≤30mA
  • Oscillator frequency: 3.2kHz
  • Sound level: ≥85dB
  • Sound tone: continuous

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