1.Technical Parameter
Measuring condition
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.

2.Dimensions Unit: mm          

*Unit: mm; Tolerance: ±0.5mm Except Specified
*Housing Material: Black PBT

3.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
3.1 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.
3.2 High Temperature Test
The part shall be capable of with standing a storage temperature of +60℃ for 96 hours.
3.3 Low Temperature Test 
The part shall be capable of with standing a storage temperature of -20℃ for 96 hours.
3.4 Humidity Test
Temperature:+60℃±2℃   Relative Humidity:90%～95% Duration: 96 hours
and expose to room temperature for 6 hours
3.5 Temperature Shock Test
Temperature:-20℃ /1hour→ 20℃/1hours→-60℃/1hour (1cycle)
Total cycle: 5 cycles
3.6 Drop Test
Standard Packaging From 75cm(Drop on hard wood or board of 10cm thick, 
three sides, six plain.)
3.7 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.

4.Packing

4.1每盒按下图排列方法放置30PCS

4.2在产品与产品中间放上宽度合适的两层珍珠泡棉条

4.3盖上一个空泡沫盒，用手按紧，打上两条胶带

4.4放入外箱，每箱放四盒，并加上填充，封箱打包