electret condenser microphone(passed RoHS standard).FOB price:0.33USD/piece
a professional acoustic components manufactuer sited in NO.268,Tongyin street,Weifang High-Tech Development Zone,Shandong province,China.we produce all kinds of electret condenser microphone digital microphone(substitute of silicon microphone) with good quality and competitive price.please refer to our website to find more about us and our products.we are sincerely looking forward to do business with buyers from anywhere.If you have any inquiry,pls contact us.Thanks!
Please refer to the attached picture for specification.Thanks!
This product has passed following test:
Height : 1m
Height : 1m
Drop face : 2cm hardwood board
Duration : 3 times in each of three directions in state of packing
To be no interference in operation after vibrations 20Hz to 2000Hz for 48 minutesat three
directions with 20g (-20%, -0%) peak acceleration.
Temperature : -45± 2℃ ? RTM ? 80±2℃
Duration : 30 min 10 min 30 min.
Cycles : 5 cycles
Temperature Shock
Temperature : -45± 2℃ ? 80±2℃
Cycles : 100 cycles
Operating Condition
Storage Condition
-45~+80℃
-30~+70℃
Vibration Test
Drop Test
High Temperature Test
Low Temperature Test
Humidity Test
Temperature : -45℃
Duration : 200 hours
Temperature Cycle Test
Temperature :40℃
Humidity : 90% R.H.
Duration : 200 hours
Temperature : 80℃
Duration : 200 hours
page 7/8
Sensitivity change shall be within ± 3dB (at 1KHz) of initial sensitivity after 3 hours
conditioning at 20℃
Reliability Test
DKE
