85dB 3.2KHz Passive Piezo Buzzer Piezoelectric Buzzer For Smoke Alarm Detector

Place of Origin China
Model Number QJ0811
Minimum Order Quantity 10000
Delivery Time 15 works days
Payment Terms T/T

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Sound Pressure Level 85dB Frequency 3.2KHz
Operating Temp. -20℃ ~ +70℃ Size Φ46.4x13mm
High Light

85dB Passive Piezo Buzzer


3.2KHz Passive Piezo Buzzer


85dB Piezoelectric Buzzer

Leave a Message
Product Description

Passive Piezo Buzzer 85dB For Smoke Alarm Detector And Sound Wave Detacher

The piezoelectric buzzer generates mechanical deformation of piezoelectric ceramic plates by reverse piezoelectric effect, which induces the vibration of vibrators and forms sound wave in the air. This one-piece electronic sound device is widely applied in automotive electronics, security alarming, etc.


-Small size, easy to install
-Stable performance



Model QJ0811
Sound pressure level 85dB(9VDC/300cm)
Frequency 3.2±0.3KHz
Resonant impedance 500ΩMAX
Operating temperature -20℃ ~ +70℃



- Smoke alarm detector

- Sound wave detacher