Reliability test, Cycles 5 3.5 humidity cycle test cycles 5, Piezo buzzer – BeStar BPT4334CP12VDCB-01 User Manual
Page 4: A文件号:bs/qdte045b

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Date:
Page:04 of 06
DRG NO:BS/TEP01.821A
Drawn
Rev.
Date
Note
A
文件号:BS/QDTE045B
3. Reliability Test
all these tests above should be measured after leaving normal temperature for 2hrs.
1h
12h
10h
1h
3.6 Drop test
Height 70cm
(to 10mm thickness woodenboard)
Direction 3
Notice: All specification must be satisfied in this condition.
3.1 high temperature test
Temperature +75°C
Duration 96hrs
3.2 low temperature test
Temperature -20°C
Duration 96hrs
3.3 life test in normal temperature
Power supply 12V
Duration 500hrs
3.4 temperature cycle test
+20
°C
15min
Cycles 5
3.5 Humidity cycle test
Cycles 5
25Ў C 90-95% RH
30min
RH
75Ў C 90-95%
15min
30min
+75
°C
+20
°C
BPT4334CP12VDCB-01
-25
°C
Piezo Buzzer
程久生
陈小东
12/04/19
付秋萍
12/04/19
付秋萍
BPT4334CP12VDCB-01