Reliability test, Piezo sounder – BeStar BSP1212-03H03-01 LF User Manual
Page 4

3. Reliability test
3.1 high temperature test
Temperature +85 C
Duration 96hrs
3.2 low temperature test
Temperature -40 C
Duration 96hrs
3.3temperature cycle test
3.5 Vibration Test
Vibration Frequency
10~55Hz
Amplitude 1.52mm
Duration 2hrs each of 3 axis
3.6 Drop test
Height 70cm
(to 10mm thickness woodenboard)
Direction 3
3.7 Solderability
Temperature 255 5 C
Duration 3 0.5sec
3.8 Solder Heat Resistance
Temperature 255 10 C
Duration 30sec
Notice: All specification must be satisfied in this condition.
SPL: allowable deviation 5dB of the initial value after testing
Cycles 5
3.4 Humidity test
Temperature +40 C
Relative Humidity 93%
Duration 96hrs
all these tests above should be measured after leaving normal temperature for 2hrs.
15min
30min
30min
15min
-40 C
+20
ˇăC
+85 C
+20
ˇăC
REV.
Drawn
Date
6
5
A
Piezo Sounder
Date:
Note
Approved by:
4
Drawn by:
Checked by:
3
2
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BSP1212-03H03-01 LF
BSP1212-03H03-01 LF
赵 峥
邱 俊
李红元
DRG NO: BS/TEP01.680B
10/09/02
博
士
達