Buzzer B20 – 5V Piezo Electric Active Buzzer for Electronic Projects
The Buzzer B20 is a compact 5V active piezo buzzer designed for easy integration into a wide range of electronics. It generates a clear and loud tone when powered, making it perfect for alerts, alarms, notifications, and DIY circuits. With its simple 2-pin connection, it's ideal for use with Arduino, Raspberry Pi, and microcontroller-based systems.
 
Key Features:
Active Buzzer Module
Produces sound directly when voltage is applied—no external signal needed.
5V Operating Voltage
Compatible with most logic-level systems and microcontroller boards.
B20 Standard Size
Compact cylindrical package suitable for breadboards and PCBs.
Simple 2-Pin Interface
Easy to connect to digital I/O or power lines.
Loud and Reliable
Generates a consistent tone for clear audio feedback in embedded systems.
 
Applications:
Audio alerts in embedded projects
Alarm circuits and warning indicators
Arduino and Raspberry Pi sound signaling
Notification systems in automation setups
Educational and DIY electronics kits
 
Package Includes:
1 × Buzzer B20 Active Piezo Module
 
Specifications:
Model: B20
Type: Active Buzzer
Operating Voltage: 5V DC
Sound Output: ≥85 dB @ 10 cm
Rated Current: <30 mA
Resonant Frequency: ~2.7 kHz
Mounting: Through-hole
Color: Black
 
Dimensions:
Diameter: 12 mm
Height: 9 mm
Pin Spacing: 5 mm
 
Weight: 2 g
 
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