Arduino SFM-27 DC 3–12V Electronic Buzzer 90dB Intermittent Beep Alarm Sounder

The Arduino SFM-27 DC electronic buzzer is a reliable sounder designed for use in Arduino projects, control panels, and electronic alarm systems. Operating on a wide DC voltage range of 3–12V, it is flexible enough for various low-voltage applications.

This buzzer produces a clear intermittent beep with a sound output of up to 90 decibels, making it ideal for alert notifications, warning systems, and status indicators. Its compact size allows easy mounting on PCBs or enclosures, while the durable housing ensures long-term performance.

Commonly used in Arduino projects, security alarms, industrial indicators, and DIY electronics, the SFM-27 buzzer is a dependable choice for both beginners and professionals.

Key Features

• Compatible with Arduino and microcontroller projects
• Operating voltage: DC 3–12V
• Loud 90dB intermittent beep output
• Compact and lightweight design
• Easy to install and integrate
• Durable construction for long-term use

Technical Specifications

• Model: SFM-27
• Type: Electronic Buzzer / Sounder
• Operating Voltage: DC 3–12V
• Sound Output: Approx. 90dB
• Sound Pattern: Intermittent beep
• Colour: White

Common Applications

• Arduino and DIY electronics projects
• Alarm and warning systems
• Control panels and indicators
• Educational and prototyping use

Package Includes

Package Includes:
• 1 × Arduino SFM-27 DC Electronic Buzzer