MB27A - 27mm Average Continuous 1.5V to 27V DC

SKU: E5SDRKJ14O
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The MB27A is a reliable and versatile audio signaling device designed to deliver a continuous sound output across a wide operating voltage range of 1.5V to 27V DC. This buzzer can be based on electromechanical or piezoelectric technology and is primarily used to convert electrical signals into audible sound for alerts and notifications. With its stable performance and simple operation,...
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The MB27A is a reliable and versatile audio signaling device designed to deliver a continuous sound output across a wide operating voltage range of 1.5V to 27V DC. This buzzer can be based on electromechanical or piezoelectric technology and is primarily used to convert electrical signals into audible sound for alerts and notifications.

With its stable performance and simple operation, the MB27A is suitable for a variety of electronic systems such as timers, alarm units, printers, and computer-based applications. Depending on the design and circuit integration, it can produce different types of sounds including standard alert tones, alarms, and siren-like outputs. Its compact 27mm form factor makes it easy to integrate into panels, enclosures, and electronic assemblies.

Applications:
Electrical alarms
Educational and training projects
Security systems
Electronic metronomes
Household electronic devices

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Product Type: Average Continuous Buzzer
Model: MB27A
Operating Voltage: 1.5V to 27V DC
Current Consumption: ≤ 15mA
Sound Type: Continuous Tone
Minimum Sound Level: ≥ 85 dB
Oscillation Frequency: 4KHz ± 500Hz
Mounting Type: Flange Mount
Wire/Lead Length: 120mm (2-wire)
Diameter: 32 mm
Height: 16.5 mm
Pitch: 38 mm
Operating Temperature Range: 20°C to 50°C
Compatibility: Suitable for Arduino, NodeMCU, and other microcontrollers
Energy Consumption: Low Power Consumption

Additional Resources

FAQ

1. What is the operating voltage range of the MB27A buzzer?

The MB27A buzzer supports a wide operating voltage range of 1.5V to 27V DC, making it highly versatile for both low and high voltage applications.

2. What type of sound does the MB27A buzzer produce?

It produces a continuous tone, which is suitable for alarms, alerts, and notification systems where a steady sound is required.

3. What is the current consumption of the MB27A buzzer?

The buzzer has a maximum current consumption of around 15mA, ensuring low power usage while maintaining reliable performance.

4. What are the key physical features of the MB27A buzzer?

The MB27A features a 27–32 mm diameter body, flange mounting, and 120mm wire leads, making it easy to install in electronic circuits and enclosures.

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