This is a 44 X 14mm piezoelectric passive buzzer which requires an AC signal to make a sound.
This is nicely enclosed with wires so you can attach easily. Piezo elements convert vibration to voltage or voltage to vibration. That means you can use this as a buzzer for making beeps, tones and alerts and you can use it as a sensor, to detect fast movements like knocks. Unlike the active buzzer that only requires a constant voltage this passive buzzer will need a microcontroller to help it run. It is like an electromagnetic speaker, where a changing input signal produces the sound, rather than producing a tone automatically.
Specifications:
- Rated Voltage: 10 Vp-p square wave
- Operating Voltage: 3~30
- Rated Current: 11 mA(Max)
- Sound Output at 10cm: 85dBA(Min)
- Resonant Frequency: 1100±300 Hz
- Capacitance at 120Hz: 77000±30% pF
- Operating Temp.: -20~ +60
- Storage Temp.: -30~ +70
- Weight: 10g
- Dimension: 44 X 14mm (D X H)
WARNING
