Reliability test, 3piezo sounder – BeStar BPT1703H09-04 LF User Manual
Page 4

all these tests above should be measured after leaving normal temperature for 2hrs.
Cycles 5
3.4 Humidity test
Temperature +40 C
Relative Humidity 90~95%
Duration 96hrs
3.5 Vibration Test
Vibration Frequency
10~55Hz
Amplitude 1.52mm
Duration 2hrs each of 3 axes
3.6 Drop test
Height 100cm
(to 10mm thickness woodenboard)
Direction 3
3.7 Solderability
Temperature 255 5 C
Duration 3 0.5secs
3.8 Solder Heat Resistance
Temperature 250 10 C
Duration 30secs
Notice: All specification must be satisfied in this condition.
SPL: allowable deviation 5dB of the initial value after testing
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Date:
Drawn
REV.
Date
A
Note
Approved by:
Checked by:
Drawn by:
B
C
D
+85 C
E
-40 C
30min
F
15min
30min
15min
+20 C
+20 C
3.1 high temperature test
Temperature +85 C
Duration 96hrs
3.2 low temperature test
Temperature -40 C
Duration 96hrs
3.3temperature cycle test
G
3. Reliability test
5
H
6
4
1
2
3
Piezo Sounder
Page:4 of 6
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B
C
D
E
F
G
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2
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1
BPT1703H09-04 LF
DRG NO: BS/TEP01.810A
BPT1703H09-04 LF
博 士 達
赵 峥
邱 俊
李红元
11/12/17