They can have a volume range of anywhere from 60 to 115 decibels, and sometimes beyond. This alarm plays a recorded message when it detects someone passing within 6 1/2 feet. Piezo buzzers can be mounted in a range of ways, from bracket, to panel mount, to surface mount. The SMD sounders (surface mounted type) are available for new designs or existing products that are looking to replace a pin type or electromagnetic sounder. They differ in their mounting style, the volume of sound they can produce, and their size. ![]() A piezoelectric amplifier will then make the click, ring or beep produced by the buzzer louder.Types of piezo buzzer componentsPiezo buzzer components can vary in a number of different ways. Piezo buzzers were invented by Japanese manufacturers.How do piezo buzzers work?Piezo buzzers have a piezoelectric element that is driven by a source such as an oscillating electronic circuit. Featuring low profiles starting at 1.9 mm and sound pressure levels ranging from 65 dB up to 100 dB at 10 cm, these micro buzzers are ideal for a range of portable equipment applications. ![]() Piezo Buzzers A piezo buzzer is an audio signalling device powered using piezoelectricity, which is created using a material that generates an electric charge when placed under mechanical stress. CUI Devices' line of magnetic and piezo micro buzzers is housed in compact, surface mount packages as small as 3.2 mm x 3.2 mm. Piezo buzzer is an electronic device that produces sound based on the reverse of the piezoelectric effect.
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