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Piezo buzzer sound, performance and efficiency12V piezo siren solder cleanable piezo buzzer 22mm piezo buzzer wave solder cleanable piezo alarm indicator 12VDC piezo buzzer 12V piezo siren solder cleanable piezo buzzer Sound, Performance and Efficiency ISL Products' piezo buzzer audio solutions continue to exceed expectations. Our piezoelectric buzzers provide zippy sound, performance and efficiency for all types of medical and industrial applications. ISL's piezoelectric buzzers are available in a variety of sizes and can operate at different frequencies, allowing for different sounds and tones to be produced. ISL products piezoelectric buzzers, often called indicators, are equipped with an internal frequency generator (driver circuit) to simplify application integration. When a voltage is applied to the piezoelectric buzzer, the piezoelectric ceramic disc vibrates and flexes relative to the input voltage to produce sound. Our piezoelectric buzzer maintains low current consumption, which is beneficial for any battery-powered device. EMI / EMC issues are eliminated because there are no magnets in the structure of the piezoelectric buzzer |