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

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