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Piezo Electronic Tone Buzzer Alarm
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Piezo Electronic Tone Buzzer Alarm

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R34.38
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R65.00 Standard shipping applies to orders under R100.00, in most areas in South Africa. R35.00 Standard shipping applies to orders over R100.00. Some areas may attract a surcharge surcharge. This will be calculated at checkout if applicable.
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Product details

Condition
New
Location
South Africa
Customer ratings:
Product code
PS1945-1
Bob Shop ID
633481580

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.

Customer ratings: 1 ratings

Nice 👌🏽
15 Sep 2025