Reliability test, Piezo sounder, Cycles 5 4.4 humidity cycle test cycles 5 – BeStar BSP1515-07H6.8 LF User Manual
Page 4: A赵 峥

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Date:
Page:04 of 06
DRG NO:BS/TEP01.625A
Piezo Sounder
李红元
Drawn
Rev.
Date
Note
邱 俊
10/03/23
赵 峥
李红元
邱 俊
10/03/23
BSP1515-07H6.8LF
赵 峥
BSP1515-07H6.8LF
A
赵 峥
4.5 Life test in normal temperature
Power supply Rated voltage
Duration 1000hrs
4.6 Vibration Test
Vibration Frequency 10~200~10Hz
Time 15min
Acceleration 5g
Direction x .y &z 2h (total 6hrs)
4.7 Solderability
Temperature of soldering pot 255
C 5
Duration 3
0.5sec
4.8 Drop test
Height 75cm
(to 10mm thickness woodenboard)
Direction 3
4.9 Shock test
980m/s^2 shock for each mutually perpendicular derections ,half sine wave
3 times each .
4.10 Soldering Heating Resistance
Sample put though reflowing soldering oven 2 twice .
Notice: All specification must be satisfied in this condition.
SPL: allowable deviation 10 dB of the initial value after testing
4.1 High temperature test
Temperature +90 C
Duration 240hrs
4.2 Low temperature test
Temperature -40 C
Duration 240hrs
4.3 Temperature cycle test
Cycles 5
4.4 Humidity cycle test
Cycles 5
1h
15min
All these tests above should be measured after leaving normal temperature for 2hrs.
25 C 90-95% RH
10h
30min
-30 C
+25 C
12h
1h
30min
15min
65 C 90-95%RH
+85 C
+25 C
4.Reliability Test
10/03/23
Acoustics & Sensor