Use for Audio and Video 3V Electromagnetic Buzzer D9 x H5.5mm Without Circuit Buzzer

FAQ:

1. What is your MOQ?

MOQ depends on different series of products, you can write e-mail or online contact sales staff.

2. When can we get the reply?
We will reply within 24 hours

3. Can you produce customized products?

We support customer design service.

4. How long is the delivery time?
Usually 2-3 weeks. It depends on product and quantity.

5. How do I know that you have sent the products out?

We will provide packaging photos and tracking number for you.

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

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

Contact: Angel Sun
Tel: +86-13528847020
Email: Admin@winsunhk.cn
Skype: Angelsun618
Whatsapp: 13528847020
Wechat: 13528847020
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