BeStar BMT1212XH7.5LF - Manual (Page 4)

C C
Page: 3 of 5
Rev.
A
B
6 5 4 3
www.be-star.com [email protected]
2 1
Approved by:
Checked by:
Date Drawn
Date:
Note
Drawn by:
Transducer 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
D
E
F
G
H
6 5 4 3 2 1
D
E
F
G
H
3.3 Temperature cycle test
Cycles 5
3.4 Humidity cycle test
Cycles 10
3.5 Load test
Power supply rated voltage
Duration 1000hrs
all these tests above should be measured after leaving normal temperature for 2hrs.
3.6 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.5mm
Duration x,y&z directions 30min
3.7 Drop test
Height 70cm
(to 10mm thickness woodenboard)
Direction 3
3.8 Solderability test
Solderability temperature 2 55 C
Heat applying time 3sec
Notice: After the test the part shall meet specifications without
any degrance and performance except S.P.L, S.P.L shall be 80dB more .
3.0h
65 C 90-95%
2.5h
25 C 90-95% RH
2.5h
RH
BMT1212XH7.5LF
+85 C
30min
3.1 High temperature test
Temperature +85 C
Duration 96hrs
3.2 Low temperature test
Temperature -40 C
Duration 96hrs
15min
-40 C
30min
+20 C
3. Reliability test
+20 C
15min
06/12/01
韩学慧
程久生
邵 凯
B
A
06/12/01
02/11/07
韩学慧
王善梅
BMT1212XH7.5LF
BS/TET01.071B