Piezo Electronic Tone Buzzer Alarm

The 3105A SFM-27 Buzzer Piezo Transducer is a reliable and efficient audio signaling device designed for a wide range of applications. With its compact size and versatile voltage range, this buzzer is suitable for use in electronic projects, alarms, timers, and other signaling devices. Operating at a frequency of 2800Hz, it delivers a clear and penetrating sound that ensures effective audio alerts.

Key Features:

• Wide Operating Voltage: The buzzer operates efficiently within a DC voltage range of 3 to 24V, making it compatible with various power sources.
• High Sound Pressure Level: Produces a sound output of up to 85 decibels at 12V, ensuring audible alerts even in noisy environments.
• Compact Design: The small and lightweight design allows for easy integration into different electronic circuits and devices.
• Durable Construction: Built with high-quality materials, the buzzer is designed for long-lasting performance and reliability.
• Consistent Frequency: Operates at a stable frequency of 2800Hz, providing a consistent and recognizable audio signal.

Technical Specifications:

• Model: 3105A SFM-27
• Operating Voltage: DC 3-24V
• Operating Current: ≤ 20mA at 12V
• Frequency: 2800Hz
• Sound Pressure Level: 85dB at 12V, 10cm
• Dimensions: 27mm (Diameter) x 15mm (Height)
• Weight: 8g
• Connection: Two-pin terminal

Applications:

• Electronic Projects: Ideal for hobbyists and engineers working on various electronic projects that require audio feedback.
• Alarms and Security Systems: Provides a loud and clear alarm sound, suitable for security and alert systems.
• Timers and Reminders: Can be used in timers, reminders, and other devices that need an audible alert.