Decorative Materials

Sound from side Electromagnetic Buzzer / Size D9.0xH5.5mm / Internal Drive With Circuit

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We also can make uncommon product per customers requirements. ? ? Features:
* Rated Voltage: 3~5V
* Max Rated Current: 30mA
* Sound Output : 80dB ? ? ? ? ? ? ? ? ? ? ?? * Small Size
* Highly efficient
* Shot lead time & Low Price.


Typical Specificatons: ?
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Type | Unit | WS-9055DYB03X | WS-9055DYB05X |
Rated Voltage | V(DC) | 3 | 5 |
Operating Voltage | V(DC) | 2-5 | 4-7 |
Rated Current(max) | mA | 30 |
Sound Output at 10cm | dB | 80 |
Rated Frequency | Hz | 2700±200 |
Lead pin material | ? | Red Copper |
Operating Temperature | C | -30~+70 |
Storage Temperature | C | -40~+85 |
Housing material | NORYL |
weight | g | 2.0 |
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Applications:
* Children& acute;s toys
* Alarm Medical equipments
* Telecommunication
* Security
* Household appliances
* Audio and Video Products
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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
# # 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.

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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

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Electrical And Acoustical Measuring Condition
# # Recommended Setting


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? ? ?2. Recommended Test Circuit



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