Panel Mounted Piezo Alarm Buzzer 43mm Piezoelectric Ceramic Element
 
 
Quick Detail:
 

1. Size: D43mm*H33mm
2. SPL: Min.95dB at 2.8KHz/12VDC 1/2 Duty Square Wave/10cm
3. Operating Voltage: 4-20VDC

 
 
Description:
 

1. buzzer 
2. Piezo Buzzer with build-in oscillating
3. Piezo Buzzer 
4. 12V Buzzer
5. 43mm Piezo Buzzer
6. big sound speaker

 
 
SPECIFICATION:
 
Piezoelectric Ceramic Element
Built-in oscillating circuit
 

 
 
*Unit: mm; Tolerance: ±0.5mm Except Specified
*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
Temperature:70 /1hour→ 25/3hours→-30/1hour→ 25/3hours (1cycle)
Total cycle: 10 cycles
(6)Drop Test
Standard Packaging From 75mm(Drop on hard wood or board of 5cm thick,
three sides, six plain.)
(7)Vibration Test
Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes
Note:
As this product is not protected from foreign material entering, please make sure that any foreign materials (e.g. magnetic powder, washing solvent, flux, corrosive gas) do not enter this product in your production processes. The functional degradation (e.g. SPL down) may occur if foreign material enter it