Part shall be measured under a condition (Temperature: 5～35℃, Humidity: 45%～85%R.H., Atmospheric pressure: 860 ～1060hPa) unless the standard condition (Temperature: 25±3℃, Humidity: 60±10%R.H. Atmospheric pressure: 860 ～1060hPa) is regulated to measure.
|3||Rated Current||Max.100mA ,at 4000Hz 50% duty Square Wave 3Vo-p|
|4||Sound Output at 10cm||Min. 75dB,at 4000Hz 50% duty Square Wave 3Vo-p|
|9||Net Weight||Approx 0.1g|
2.Dimensions Unit: mm
|3. Electrical And Acoustical Measuring Condition|
Recommended Driving Circuit
Resonant frequency, 1/2 duty cycle. Square wave.Signal amplitude should be large enough tosaturate the transistor.
3Vo-p 50% duty Square wave,10cm
|5. Surface mounting condition|
5.1 Reflow soldering
Recommendable reflow soldering condition is as follows.
(1) In automated mounting of the SMD sound transducers on PCB, any bending, expanding and pulling forces or shocks against the SMD sound transducers shall be kept minimum to prevent them from electrical failures and mechanical damages of the devices.
5.2 Soldering pattern
a)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.
b)High Temperature Test
The part shall be capable of with standing a storage temperature of +85℃ for 96 hours.
c)Low Temperature Test
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
e)Temperature Shock Test
Temperature:60℃ /1hour→ 25℃/3hours→-20℃/1hour→ 25℃/3hours (1cycle) Total cycle: 10 cycles
Standard Packaging From 75cm(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
Use recommendable reflow soldering condition (as shown in 5.1)
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.