Back electret condenser microphone--RoHS
USD $0.01 - $0.52 /Piece
Min.Order:100 Pieces
Weifang Qinyi Electron Science And Technology Co., Ltd.
Back electret condenser microphone--RoHS
With the vigorous development of the communications industry, and related technology improved, the whole product on the microphone are increasingly high requirements. Microphone mentioned herein, refers to the electret condenser microphone, commonly known as microphone.
Electret condenser microphone is a sound- electrical conversion device. The Electronic condenser microphone is used in telephones, wireless telephones, mobile phones, ear-telephones, PCs, language-learning recorders, radio recorders, cassette recorders, alarms, voice control toys, voice control switches and so on
1.Specification:
NO. | Item | Symbol | Unit | Specification | Condition |
1 | Directivity | Omidirectional | |||
2 | Sensitivity | S | dB | -26~-66dB | 0dB=1/pA,1khZ |
3 | Frequency | f | Hz | 20~20,000 | |
4 | Max. operation voltage | Vs | V | 10 | |
5 | Satndard operation voltage | Vs | V | 1.5-3 | |
6 | Output impedance | Zout | KΩ | ≤2.2 | f=1KhZ,1pA |
7 | Sensitivity reduction | dB | -3 | ||
8 | Max. current consumption | mA | ≤0.5 | ||
9 | Signal to noise ratio | S/N | dBA | ≥60 | f=1khz, |
10 | Size | mm | |||
11 | Material | AL | |||
12 | Terminal | ||||
13 | Operation temp. | °C | -10~+70 | ||
14 | Storage temp. | °C | -20~+60 |
Note:When you place an order ,please tell us the parameter .
2.Samples:
3.Product Details:
4.Application of electret condenser microphone :
Microphone used in the Telephone ,Phone ,Headset ,Sound noise meter , Musical instrument,
and so on .
Electret condensr microphone is a component ,so please tell us your finished product .
5. Order flow chart :
6. Courier service :
1. DHL,UPS: Around 3-5 working days to arrive
2. TNT: Around 3-5 working days to arrive
3. EMS: Around 8-12 days to arrive ( If to Russia, then it will be about 30 days)
4. FedEx: Around 4-7 working days to arrive.
7.Payment :
We will send you a Proforma invoice after receiving your formal order to prove it .You will find out all important information and our bank information shown on each invoice.If all information is correct,please issue a wire transfer and send us your bank sheet if you could ,and we will execute orders promptly and ship out the merchandise ASAP once we received your payment .
8.Other product :
1)According to the size :
Diameter | Height |
3.0mm | Different height |
4.0mm | Different height |
4.5mm | Different height |
6.0mm | Different height |
8.0mm | Different height |
9.4mm | Different height |
9.7mm | Different height |
14mm | Different height |
and other diameter | and other height |
2)According to direcivity :
Omnidirectional | Unidirectional | Noise cancelling |
3)According to the Terminal:
Solder type | L type | Pin type |
9. Production Photos :
Automated production
10.Certification
11.Oversea market :
We have sold our products many countries: USA ,India ,UK ,Australia ,Brazil and so on
If you have any questions ,please feel free to contact us .