5V Passive Buzzer

Product Description:

This 5V Passive Buzzer is a compact sound device designed to produce tones when driven by a PWM signal or square wave from a microcontroller. Unlike active buzzers, it does not have a built-in oscillator — giving you full control over the tone and melody by varying the input frequency.

Ideal for sound effects, music playback, and notification systems in Arduino or other embedded projects.

Features:

• Operating Voltage: 3–5 V DC

• Rated Voltage: 5 V DC

• Drive Type: External signal (PWM or square wave)

• Resonant Frequency: ~2.7 kHz

• Sound Output: ~85 dB at 10 cm (depends on drive signal)

• Current Consumption: ≤ 30 mA

• Compact size: 12 mm diameter × 9 mm height (typical)

• Easy 2-pin connection (VCC +, GND –)

• Long lifespan and low power consumption

Applications:

• Alarms and alerts

• Electronic toys and games

• Timers and indicators

• Arduino and Raspberry Pi sound projects

• DIY electronics and embedded systems

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