SCE120LA2DP3B

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Alarms, buzzers, and sirens are all used primarily to alert individuals of a potential danger. One such device that serves this purpose is the SCE120LA2DP3B Piezo Buzzer, which, due to its robust construction and wide range of applications, is widely used within the safety industry. In this article, we shall provide a brief overview of this device’s application field and working principle.

The SCE120LA2DP3B Piezo Buzzer is a low cost, low voltage, single output electroacoustic buzzer that produces a sound pressure level of 85-90 dB at 12 VDC. It is typically used in fire alarms, security systems, and medical monitors. Its low voltage operation increases its versatility, allowing it to be used with both AC and DC circuits, and its wide operating temperature range ensures reliable operation in extreme conditions.

As far as its working principle is concerned, the SCE120LA2DP3B Piezo Buzzer uses a piezoelectric driver to activate a vibrating diaphragm. When voltage is applied to the diaphragm, it vibrates at a specific frequency which is determined by the size and shape of the diaphragm. This vibration generates sound waves in the air, which produces the alerting sound. Unlike a siren, the sound produced by the SCE120LA2DP3B Piezo Buzzer is more of a “buzz” than a “siren”. This makes it perfect for applications where a subtle alert is desired.

In conclusion, the SCE120LA2DP3B Piezo Buzzer is a versatile, low cost, low voltage piezo buzzer that is widely used in fire alarms, security systems, and medical monitors. Its versatile operation allows it to be used with both AC and DC circuits, while its low current consumption makes it ideal for long periods of operation. Additionally, its sound pressure level and low voltage requirements make it a perfect choice for applications where a subtle alarm is desired.

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