Reliability test, Piezo sounder – BeStar BPT2203H07 LF User Manual
Page 5

4.1 High temperature test
Temperature + 80°C
Duration 96hrs
4.2 Low temperature test
Temperature -30°C
Duration 96hrs
all these tests above should be measured after leaving normal temperature for 2hrs.
4.5 Drop test
Height 70cm
(to 10mm thickness woodenboard)
Direction 3
4.6 Solderability test
Solderability temperature 255°C
Heat applying time 3sec
4.7 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.52mm
Duration 2hrs each of 3 axis
Notice: After the test the part shall meet specifications without
any degrance and performance except S.P.L, S.P.L shall be 70dB more .
30min
12h
65 C 90-95%
4.3 Temperature cycle test
Cycles 5
4.4 Humidity cycle test
Cycles 5
1h
10h
30min
-20 C
25 C90-95% RH
15min
1h
15min
RH
4. 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
DRG NO: BS/TEP01.211B
3
2
Page:5 of 7
1
A
H
G
F
E
D
B
C
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
6
5
4
3
2
1
C
B
D
E
F
G
H
BPT2203H07 LF
BPT2203H07 LF
李红元
邱 俊
赵 峥
DRG NO: BS/TEP01.211C
09/12/10
博 士 達