electret condenser microphone

electret condenser microphone


Negotiable Min Order Quantity Unit

Required Quantity
Place of Origin
Payment Terms
Negotiable
Production method
Negotiable
Shipping / Lead Time
Negotiable / Negotiable
Keyword
electret condenser microphone, microphone, microphone part, condenser microphone
Category
Microphones

Weifang Dongke Electric Co., Ltd

Country / Year Established
China China /
Business type
Others
Verified Certificate

14

Product name electret condenser microphone Certification -
Category Microphones Ingredients -
Keyword electret condenser microphone , microphone , microphone part , condenser microphone Unit Size -
Brand name - Unit Weigh -
origin Stock -
Supply type - HS code -

Product Information

electret condenser microphone(passed RoHS standard).FOB price:0.15USD/piece

 

 

Weifang Dongke Electric Co., Ltd is 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

 

B2B Trade

Price (FOB) Negotiable transportation -
MOQ Negotiable Leadtime Negotiable
Payment Options Negotiable Shipping time Negotiable

Weifang Dongke Electric Co., Ltd

Country / Year Established
China China /
Business type
Others

14

President
Mr Wang
Address
NO.268,Tongyin street,Weifang High-Tech Development Zone,Shandong province,China
Product Category
Earphones & Headphones,Electrical Components & Telecoms,Microphones
No. of Total Employees
101-500
Company introduction

   Established in June 1999,Weifang Dongke Electric Co., Ltd specializes in developing and producing electret condenser microphone and other acoustic components.We have about 400 staff including 26 R&D engineers now.Since established,the company has been devoting a big effort to research and development of the product .solely in 2006,we have 8 patent applications submitted and already be awarded 4 of them,also we have independently developed more than 20 sets of automated production equipment and newly introduced full set of routine test equipment,thus ensuring the  precision and stability of products.So far now,we have formed a full range of microphone products(Ф14mm-3mm) amounting to 300 types.leading the development trend of electronics industry,we have developed SMD and digital microphone and put them into mass production with their good market prospect.

   The company has been devoting to the institutionalization and standardization of management.Succefully passing ISO9001:2008 international quality management system and ISO14001:2004 environmental management system,we operate according to the system requirements and devote to improve the product quality actively

   Our advanced equipment ensures the reliability,stability and consistency of our products.We are export-orientated in sell.The products are directly or indirectly exported to Taiwan,Hong Kong,Singapore,Japan,Europe,America and other countries.Due to the credible quality also with our customers’ recognition and high praise,we have signed technical development agreement,production agreement and product supply agreement with many cellphone manufacturers. 

 

Factory Information

Weifang Dongke Electric Co., Ltd

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