Piezo Active Buzzer 12V , Alarm Electronic Buzzers 110db Big Sound Speaker

Quick Detail:

1. Size: D40mm*H20mm
2. Operating voltage: 3 – 24 VDC
3. Rated voltage: 12VDC
4. Maximum rated current:20mA
5. Minimum sound output: 110dB at 10cm
6. Frequency: 2800Hz ± 500Hz
7. Tone nature: Continuous
8. Operating temperature: --20—+70
9. Storage Temperature:-30—+80
10. Weight: 12g

Specification:

1.Technical Parameter

Measuring condition
 
Part shall be measured under a condition (Temperature: 535, Humidity: 45%85%R.H., 

Atmospheric 

pressure:860 1060hPa) unless the standard condition (Temperature: 25±3, Humidity: 60±10%R.H. 

Atmospheric pressure: 860 1060hPa) is regulated to measure.
 

 
 
 
*Housing Material: Black  ABS
 
3. Reliability Test
After any following tests the part shall meet specifications without any degradation in
appearance and performance except SPL. SPL shall not deviate more than -10 dB
from the initial value
(1)Ordinary Temperature Life Test
The part shall be subjected to 96 hours at 25±10. Input rated voltage
Resonant frequency, 1/2 duty Square wave.
(2)High Temperature Test
The part shall be capable of with standing a storage temperature of +80 for 96 hours.
(3)Low Temperature Test
The part shall be capable of with standing a storage temperature of ­-30 for 96 hours.
(4)Humidity Test

Temperature:+40±3   Relative Humidity:90%95% Duration: 48 hours
and expose to room temperature for 6 hours
(5)Temperature Shock Test
T