Piezoelectric buzzer is mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit,resonator and shell. Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio signal. Impedance matcher drives piezoelectric buzzer sound.
Color: Black Diameter: 22mm
Sound Pressure Level: 85 to 95 decibels
Rated Voltage: 12VDC
Working Voltage Range: 3V-24V
Max Current: 10mA
- MOQ: 5pcs
- Call us for order less than MOQ