Piezo Low Profile Transducer Buzzer
Containing no electronics and transforming AC voltages to sound pressure waves. It will also generate an AC voltage across its terminals when simulated with a sound pressure wave.
Dimensions: 30mm Diameter x 5mm high
Max Input Voltage: 30v pp
Resonant Frequency: 4,200 +/- 500Hz
Resonant Resistance: 300 ohm max
Electrostatic Capacitance: 20,000pf +/- 30%