12V 40mm Big Sound Piezo Electric Buzzer 3VDC - 24VDC For Mobile Phone
 
 
Quick Detail:
 

1. Size: D40mm*H20mm
2. SPL: Min.110dB at 2.8KHz/12VDC 1/2 Duty Square Wave/10cm
3. Operating Voltage: 3-24VDC

 
 
Description:
 

1. buzzer 
2. Piezo Buzzer with build-in oscillating
3. Piezo Buzzer 
4. 12V Buzzer
5. 40mm Piezo Buzzer
6. big sound speakerr

 
 
Application:
 
CHANGZHOU FHD ELECTRONICS CO., LTD is a professional manufacturer in the field of micro acoustic products , our products is widely used in household electrical appliances; mobile phones; computers; medical equipment; alarm system; pos machine access control system; toy; automobile; instrument and meter; electrical equipment; we can produce all kinds of piezoelectric buzzers and magnetic buzzers as long as you have the following details; welcome to consultation discussion.
 
 
Specification:
1.Technical Parameter
Measuring condition
Part shall be measured under a condition (Temperature: 535, Humidity: 45%85%R.H., Atmospheric pressure: 8601060hPa) 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
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