3V 5V Electromagnetic Buzzer D9.5 X 5.0 mm Electric Door Buzzer For Security

We also can make customizd products

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 +85℃ for 96 hours.

3. Low Temperature Test

The part shall be capable of with standing a storage temperature of ­-40℃ 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 1.2m(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

Typical Specificatons: