Piezo Buzzer SFM-27I (Black)


This is active buzzer that emits loud alarm sound.

49 in stock

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SKU: ELC-AUD-BUZ-SFM27I-BK Category: Tags: , ,


This is a widely used active type buzzer that emits loud alarm tone when powered. Great for projects and products that involve alarm features such as burglar alarm, fire alarm, etc.

This model of active buzzer can accepts wide range of DC voltage start from 3V up to 24V. Suitable to be used with PLC, PIC, AVR, Arduino, STM32, ESP8266, ESP32 and other microcontrollers. It has shell to protect the piezoelectric disc inside it.


  • Diameter : 30 mm
  • Height : 16 mm
  • Rated voltage : 12 V
  • Operating voltage : 3 ? 24 V
  • Rated current : ?32 mA
  • Sound output : 105 dB max.
  • Resonant frequency : 3000 ? 500 Hz
  • Operating temperature : -20 to +60 ?C



Additional information

Weight 7 g
Dimensions 50 × 50 × 15 mm


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