Shenzhen Winsun Technology Co., Ltd.
Shenzhen Winsun Technology Co., Ltd.
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3V SMD Magnetic / Electromagnetic Buzzer L5.0XW5.0XH2.5mm External Drive / Without Circuit
Features:
* Operating Voltage: 2~4v
* Coil Resistance : 12 ± 3Ω
* Sound Output : min 75dB
* Small Size
* Highly efficient
* Shot lead time & Low Price.
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Applications:
* Children's toys
* Alarm Medical equipments
* Telecommunication
* Security
* Household appliances
* Audio and Video Products
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
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
The part shall be subjected to 96 hours at 25±10℃. Input rated voltage
Resonant frequency, 1/2 duty Square wave.
The part shall be capable of with standing a storage temperature of +85℃ for 96 hours.
The part shall be capable of with standing a storage temperature of -40℃ for 96 hours.
Temperature:+40℃±3℃ Relative Humidity:90%～95% Duration: 48 hours
and expose to room temperature for 6 hours
Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle)
Total cycle: 10 cycles
Standard Packaging From 1.2m(Drop on hard wood or board of 5cm thick,
three sides, six plain.)
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.
Electrical And Acoustical Measuring Condition
2. Recommended Test Circuit