Security Commercial Door Buzzer , External Drive Black 3v Piezo Buzzer 2700Hz

3.0V SMD Magnetic / Electromagnetic Buzzer L9.0XW9.0XH4.5mm external drive

Specification:

Features:
* Operating Voltage: 2-5v
* Sound Output : min85dB
* Small Size
* Highly efficient
* Shot lead time & Low Price.

Applications:
* Children's toys
* Alarm Medical equipments
* Telecommunication
* Security
* Household appliances
* Audio and Video Products
* Etc.......

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

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.

Payment and Shipping:
1, Lead time about 3~5 days.
2, Payment: T/T; Western union; Paypal .
3, Shipping: by DHL, Fedex, TNT, UPS, EMS ect

piezoelectric buzzer

security door buzzer

Security Commercial Door Buzzer , External Drive Black 3v Piezo Buzzer 2700Hz Images