Piezo Buzzer 35mm Passive Piezoelectric Sounder Ceramic Disc 2 Wire (35mm Piezo Buzzer)
The 35mm piezo buzzer is a large diameter piezoelectric sound device designed for higher sound output and improved sensitivity. It consists of a ceramic piezo element bonded to a metal plate and is widely used in alarms audio indicators and vibration sensing systems.
Key Features -
- 35mm diameter piezoelectric buzzer element
- Passive type requires external drive signal
- Higher sound output compared to smaller sizes
- Low power consumption device
- Durable ceramic and metal construction
- Suitable for sound generation and sensing
Specifications -
- Type - piezoelectric buzzer passive
- Diameter - approx 35mm
- Resonant frequency - approx 1.8kHz to 4.6kHz typical
- Capacitance - approx 20nF to 50nF typical
- Impedance - approx 200 ohm typical
- Material - ceramic disc with brass metal plate
- Operating temperature - approx -20 to 70 degree C
Applications -
- Alarm and warning systems
- Electronic buzzers and sound indicators
- Musical pickup and vibration sensing
- Arduino and microcontroller projects
- Impact and knock detection systems
Pinout Configuration -
- Positive - connected to drive signal
- Negative - connected to ground
Working Principle -
The piezo buzzer operates on the piezoelectric effect where the ceramic material deforms when voltage is applied generating mechanical vibration. These vibrations produce sound waves at audible frequencies and can also be used to detect vibration signals in sensing applications.
