Reliability test, Piezo sounder 3 – BeStar BPT4009XH20-01 LF User Manual
Page 4
3.1 High temperature test
Temperature + 70°C
Duration 240hrs
3.2 Low temperature test
Temperature -40°C
Duration 240hrs
all these tests above should be measured after leaving normal temperature for 2hrs.
3.6 Drop test
Height 75cm
(to 10mm thickness woodenboard)
Direction 3
3.7 Solderability test
Solderability temperature 255 ±5°C
Heat applying time 3sec
3.8 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.52mm
Duration 2hrs each of 3 axis
Notice: All specification must be satisfied in this condition.
SPL: allowable deviation 10dB of the initial value after testing
30min
12h
65 C 90-95%
3.4 Temperature cycle test
Cycles 5
3.5 Humidity cycle test
Cycles 5
1h
10h
30min
-40 C
25 C90-95% RH
15min
1h
15min
RH
3. Reliability test
+20 C
+20 C
+70 C
A
6
5
Rev.
Date
Drawn
4
Date:
Approved by:
Drawn by:
Checked by:
Note
Piezo Sounder
3
2
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BPT4009XH20-01 LF
BPT4009XH20-01 LF
李红元
邱 俊
赵 峥
DRG NO: BS/TEP01.700A
09/09/30
3.3 Life test in normal temperature
Power supply Rated voltage
Duration 500hrs
博 士 達