Reliability test, Piezo ceramic element – BeStar FT-27T-4.0B1 User Manual
Page 5

+85℃
5.1 Life test at high temperature
Temperature +85
°C
Duration 240hrs
5.2 Life test at low temperature
Temperature -40
°C
Duration 240hrs
5.3 Temperature cycle test
Cycles 5
5.4 Humidity cycle test
Cycles 5
FT-27T-4.0B1
DRG NO: BS/TEY01.343A
Piezo Ceramic Element
Rev.
A
B
10/05/18
Date:
Drawn by:
Approved by:
Checked by:
Drawn
Date
Note
5
6
4
3
2
赵 峥
李红元
邱 俊
1
Page:05 of 07
A
B
All these tests above should be measured after leaving normal temperature for 2hrs.
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5.5 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.53mm
Direction 3(x.y&z)
Duration 2hrs each direction (total 6 hrs)
5.6 Drop test
Height 100cm
(to 10mm thickness woodenboard)
Direction 3(x.y&z)
5.7 Solderability Test
Soldering Temperature 255
C
Duration 3 sec
Notice: All specifications must be satisfied in this condition.
C
D
E
F
12h
1h
1h
25℃90-95% RH
10h
65℃ 90-95% RH
30min
-40℃
30min
15min
+20℃
15min
+20℃
C
D
E
F
FT-27T-4.0B1
5. Reliability test
G
H
5
6
4
3
2
G
H
1
博 士 達