The CPA28A630CUQ piezoelectric buzzer, manufactured by ChinaSound, is a compact and efficient transducer designed for a wide range of audio signaling applications. With a diameter of 28mm, this buzzer offers a resonant frequency of 6.3kHz and a minimum sound output of 85dB, ensuring clear and audible alerts. Supreme Components International is an authorized distributor of ChinaSound electronic components. This piezoelectric buzzer is ideal for use in alarms, electronic toys, and other devices requiring a simple and reliable sound-generating component. Its compact size and efficient design make it easy to integrate into various projects. As an authorized distributor, Supreme Components International guarantees the authenticity and quality of this ChinaSound product.