Microphone – BeStar BCM9750ULF-47 User Manual
Page 4
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09.03.23
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.
BCM9750ULF-47
4.Reliability Test
BCM9750ULF-47
Microphone
徐 波
Page:4 of 6
DRG NO:BS/TEM01.101B
王丽娟
徐 波
05.06.14
A
B
09.03.23
魏奉玲
陶红仲