Small Buzzer 3V
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Prices updated: 13 Oct 2026
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About this product
A small 3 V buzzer for audible alerts, alarms and confirmation beeps in electronics projects. Its low rated voltage suits battery-powered circuits, and it is often driven from a microcontroller pin through a transistor.
Specifications
- Rated voltage
- 3 V
- Size
- Small
Frequently asked questions
Is it active or passive?
The listing does not specify. An active buzzer sounds when powered with DC, while a passive buzzer needs a PWM tone signal. Check the markings or datasheet before connecting it.
Can I power it from 5 V?
It is rated at 3 V, so it should be powered at that level. Using 5 V may be too high for it. If your board runs at 5 V, use a series resistor or a suitable driver, and check the datasheet.
