Magnetic / Electromagnetic Buzzer D9.0xH5.5mm external Drive
Without Circuit
We also can make customizd products
Typical Specificatons:
| Type | Unit | 9055CRA01B | 9055CRA03B | 9055CRA05B | | Rated Voltage | V | 1.5 | 3.5 | 5 | | Operating Voltage | V | 1~3 | 2~4 | 4~6 | | Rated Current(max) | mA | 80 | 60 | 60 | | Sound Output at 10cm | dB | 85 | 85 | 85 | | Rated Frequency | Hz | 2731 | | Coil Resistance | Ω | 5.5±1 | 25±1 | 40±4 | | Operating Temperature | °c | -20~+70 | | Storage Temperature | °c | -30~+80 | | Housing material | NORYL |
|
Applications:
* Children's toys
* Alarm Medical equipments
* Telecommunication
* Security
* Household appliances
* Audio and Video 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
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.
Drawing Apperance:
Contact Details:
Contact: Angel Sun
Tel: +86-13528847020
Email: Admin@winsunhk.cn
Skype: Angelsun618
Whatsapp: 13528847020
Wechat: 13528847020
QQ: 553695308
