Microphone, Reliability test – BeStar BCM4520OLF-42 User Manual
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4.1 High temp.life test
Temperature +85
°C
Duration 100hrs
4.2 Low temp.life test
Temperature -40
°C
Duration 100hrs
4.3 Temperature cycle test
Cycles 10
4.4 Humidity Test
Temperature +40
°C
Relative Humidity 90~95%
Duration 48hrs
Tests above should be measured after leaving normal temperature for 6hrs.
4.5 Vibration Test
Vibration Frequency 10~55Hz
Amplitude 1.52mm/min
Direction 3(x.y&z)
Duration 2hrs each cycle(total 6 hrs)
4.6 Drop test
Height 1m
(Dropped to 20mm thick hardwood board without packing.)
Direction 3
4.7 Soldering Heat Shock
Temperature 260
±5°c
Duration 2
±0.5 sec
4.8 Terminal Mechanical Strength
Strength 1kg
Duration 1 min
Notice:
All specifications must be satisfied in this condition.
Sensitivity :Allowable deviation within
±3dB from initial sensitivity.
BCM4520OLF-42
4.Reliability Test
1hrs
+85 C
1hrs
1hrs
1hrs
+20 C
+20 C
-40 C
BCM4520OLF-42
Microphone
Page:5 of 7
DRG NO: B/TEM01.125C
A
Rev.
Drawn
Approved by:
Note
Checked by:
Drawn by:
Date:
王焕焕
Date
王焕焕
A
徐 波
王 平
10.06.27
王焕焕
B
11.09.06
11.09.17
11.09.17
C
王焕焕