Buzzer - piezo with built-in generator 3..20V DC

Specification:

Type of sound transducer     piezo alarm     
Sound transducer features     with built-in generator     
Resonant frequency     3kHz     
Operating current     8mA     
Operating temperature     -20...60°C     
Diameter     22.7mm     
Height     12.2mm     
Operating voltage     3...20V DC     
Mounting holes pitch     29.8mm     
Sound level     80dB (d=0.3 m)     
Resonant frequency tolerance     ±500Hz     
Leads     cables