User guide
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.
Rev.
Date
6
A
B
Drawn
Note
Page:06 of 08
www.be-star.com wu@be-star.com
5 4
DRG NO: BS/TEY01.271A
3 12
FT-20T-3.6A1-SC
Piezo Ceramic Element
Date:
Checked by:
Approved by:
Drawn by:
08/12/04
赵 峥
李红元
汤浩君
A
B
All these tests above should be measured after leaving normal temperature for 2hrs.
This print and information there in are proprietary to Bestar Electronics Industry Co., Ltd.
and shall not be used in whole or in part without its written content
C
D
E
F
C
D
1h
25℃90-95% RH
10h 12h 1h
65℃ 90-95% RH
15min 30min
15min
30min
+20℃
-30℃
+80℃
+20℃
E
F
FT-20T-3.6A1-SC
6. Reliability test
G
H
6 5 4 123
G
H