The CPB23B09-3.8R is a high-quality self-drive piezo buzzer manufactured by ChinaSound. Supreme Components International is an authorised distributor, ensuring you receive genuine components. This piezo buzzer is designed for applications requiring a clear and distinct audible signal. With a diameter of 23mm and a height of only 9mm, it's compact enough for space-constrained designs. The buzzer operates at a resonant frequency of 3.8kHz and delivers a sound output of 90dB. Its pin termination simplifies the connection process, making it suitable for a wide range of electronic projects. This buzzer is perfect for alarms, indicators, and other audio signaling applications. Trust Supreme Components International for your acoustic component needs.