Wednesday, November 30

What is Piezo Buzzer,Piezo audio indicator ?

The heart of piezo buzzers are a piezoelectric ceramic plate. Piezoelectric ceramics generate electricity when they experience mechanical force and, more important to a buzzer’s function, create force when exposed to an electric field. When the ceramic experiences an alternating voltage, the plate extends and shrinks. It is glued to a fixed metal plate so these forces cause the ceramic to flex, creating the buzzing sound.


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HP3025XW  SERIES:    


 Type
UNIT
HP3025AXW
HP3025BXW
*Min. Sound Output at 10cm
dB
90
90
Rated Voltage
 VDC
12
12
Operating Voltage
VDC
3~20
3~20
Resonant Frequency
Hz
3500±500
3500±500
*Max. Current Consumption
mA
10
10
Tone Nature

Continuous
Pulse 1-4Hz
Operating Temperature 
°C
 -20~+70
  Storage Temperature
  °C
-30~+80
  Weight
  g
13


Value applying at rated voltage 
DIMENSIONS     Unit:mm     Tolerance:±0.5













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