The PS1420P02CT is a 14mm Piezoelectronic Buzzer with pin terminals. The PS series buzzer has high performance that employs unimorph piezoelectric elements and is designed for easy incorporation into various circuits. They feature extremely low power consumption in comparison to electromagnetic units. Because this buzzer is designed for external excitation, the same part can serve as both a musical tone oscillator and a buzzer. It features 30V maximum voltage rating and generates 70dBA sound pressure.