Reliability test, Piezo ceramic element – BeStar FT-27T-4.6A1 User Manual
Page 6
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.
Drawn
Date
Note
6
5
4
3
DRG NO: BS/TEY01.271A
2
1
Page:06 of 08
09/03/10
赵 峥
汤浩君
李红元
A
Date:
Checked by:
Approved by:
Drawn by:
B
FT-27T-4.6A1
Piezo Ceramic Element
A
B
T
h
is
p
ri
n
t
a
n
d
i
n
fo
rm
a
tio
n
t
he
re
i
n
a
re
p
ro
p
ri
e
ta
ry
t
o
B
e
s
ta
r
E
le
c
tr
o
n
ics
I
ndu
s
tr
y
C
o
.,
L
td.
a
nd
s
h
a
ll
no
t
b
e
u
s
ed
i
n
w
h
o
le
o
r
in
pa
rt
w
ith
ou
t
it
s
w
ri
tt
en
c
on
tent
C
D
C
D
All these tests above should be measured after leaving normal temperature for 2hrs.
E
12h
1h
25℃90-95% RH
10h
1h
65℃ 90-95% RH
F
15min
30min
15min
30min
-30℃
+20℃
+80℃
+20℃
E
F
6. Reliability test
G
FT-27T-4.6A1
H
6
5
4
3
G
1
2
H