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SFM 20B Buzzer

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SFM 20B Buzzer

SFM 20B Buzzer

$5.00

SFM-20B DC 3–24V Piezoelectric Alarm Buzzer (95 dB)

The SFM-20B piezoelectric alarm buzzer is a compact and efficient sounder designed for alarm and notification applications. Operating across a wide 3–24V DC voltage range, it offers flexibility for use in a variety of electronic projects, including Arduino-based builds and car alarm systems. With a 95 dB sound pressure level, it delivers a loud, clear alert that is easy to hear in different environments.

Designed for efficiency, this buzzer features low energy consumption, making it suitable for battery-powered devices. Its compact 23 × 12 mm size allows easy integration into space-constrained designs. Installation is straightforward thanks to two mounting holes spaced 30 mm apart and 90 mm connection wires for added convenience.


Key Features

  • Wide operating voltage range: 3–24V DC

  • Loud and clear 95 dB sound output

  • Low power consumption

  • Compact and lightweight form factor

  • Easy installation with mounting holes and long wires

  • Suitable for alarm and communication system applications


Specifications

Parameter Value
Model SFM-20B
Type Piezoelectric Buzzer
Operating Voltage 3–24V DC
Sound Pressure Level 95 dB
Current Rating 12 mA
Sound Frequency 3300 ± 500 Hz
Size 23 × 12 mm
Wire Length 90 mm
Mounting Holes Distance 30 mm

Package Contents

  • 1 × SFM-20B DC 3–24V Piezoelectric 95 dB Alarm Buzzer

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