Reliability test, 1 high temperature test temperature, 85 c duration – BeStar BMT1612H14 LF User Manual
Page 4: 96hrs 3.2 low temperature test temperature, 40 c duration, 96hrs 3.3 life test power supply, Rated voltage duration, 24hrs 3.6 drop test height, 70cm (to 10mm thickness woodenboard) direction, Ihrs 4

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Rev.
Date
Drawn
Drawn by:
Note
Checked by:
Approved by:
Date:
B
C
D
Page:3 of 5
3
2
1
Transducer
BMT1612H14 LF
A
B
C
D
E
F
G
BMT1612H14 LF
H
6
5
4
E
F
G
H
3
2
1
3.1 high temperature test
Temperature
+85 C
Duration
96hrs
3.2 low temperature test
Temperature
-40 C
Duration
96hrs
3.3 life test
Power supply
Rated voltage
Duration
1000hrs
3.4 temperature cycle test
Cycles
10
3.5 Humidity cycle test
cycles 10
i
hrs
4
24hrs
3.6 Drop test
Height
70cm
(to 10mm thickness woodenboard)
Direction
3
3.7 Solderability test
Soldering temperature 255
±5
℃
Direction 3
±0.5S
Notice: All specification must be satisfied in this condition except SPL.SPL shall
be 80dB or more
all these tests above should be measured after leaving normal temperature for 2hrs.
g
h
d
e
b
c
f
a
hrs
5hrs
6.5hrs
6.5hrs
3
2
2
1h 3
2
3 2.5
25°C
65
°C
a,b,c,d,e,f,g90%...98%RH
c,g80%...98%RH
3. Reliability test
A
B
07/06/19
02/06/20
胡海青
魏奉玲
DRG NO: BS/TET01.032C
08/12/18
魏奉玲
徐 波
王文邦
C
08/12/18
魏奉玲
ROHS
add mashing label
30min
15min
15min
30min
+85℃
-40℃
+20℃
+20℃