Reliability test, Piezo ceramic element – BeStar FT-20T-4.3A1 User Manual
Page 6
赵 峥
Drawn
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6
Date
Rev.
08/06/16
B
B
Piezo Ceramic Element
A
5
Note
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3
Approved by:
张秀琴
DRG NO: BS/TEY01.25B
2
Page:5 of 7
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Checked by:
Drawn by:
李红元
赵 峥
Date:
08/06/16
FT-20T-4.3A1
B
+80℃
6.1 Life test at high temperature
Temperature +80
°C
Duration 96hrs
6.2 Life test at low temperature
Temperature -30
°C
Duration 96hrs
6.3 Temperature cycle test
Cycles
6.4 Humidity cycle test
Cycles
6.5 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.53mm
Direction 3(x.y&z)
Duration 2hrs each direction (total 6 hrs)
6.6 Drop test
Height 100cm
(to 10mm thickness woodenboard)
Direction 3(x.y&z)
6.7 Solderability Test
Soldering Temperature 255
°C
Duration 3 sec
6.8 Accelerated Life Test (ALT)
Thermal Cycling :
Thermal Cycling consists of temperature ramping components for 30 minutes in the
Testing oven from -20
°C to 70°C. The components are then exposed for 1 hour at
The extremes and the cycle is repeated for a total of 15 cycles..
Thermal Soak:
Thermal soak consists of exposing a powered unit to 70
°C and 85% relative humidity
for 45 days.
Notice: All specifications must be satisfied in this condition.
All these tests above should be measured after leaving normal temperature for 2hrs.
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65℃ 90-95% RH
25℃90-95% RH
30min
15min
30min
-30℃
+20℃
15min
+20℃
F
6. Reliability test
FT-20T-4.3A1
G
H
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