Internal Drive Shared Bicycle Electromagnetic Buzzer D9 x H5mm Active Buzzer With Rohs

Internal Drive Shared Bicycle Electromagnetic Buzzer D9 x H5mm Active Buzzer With Rohs

Technical support:
1.We have professional technical support team to support our customers
2.If you have any question for the technology of our products,please Email to us and we will reply to you immediately


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 Details:
Contact: Angel Sun
Tel: +86-13528847020
Email: Admin@winsunhk.cn
Skype: Angelsun618
Whatsapp: 13528847020
Wechat: 13528847020
QQ: 553695308

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Internal Drive Shared Bicycle Electromagnetic Buzzer D9 x H5mm Active Buzzer With Rohs Images