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M6027W40

1. This specification is applied to electret condenser microphone unit Model EM-6027MP

  (Built-in capacitor for RF-noise)

2. Measuring conditions :         Temperature 20+2,humidity60%80%.

3. Appearance and dimension:     as per Fig.1

4. Electrical Specification :

   4- 1) Directional Characteristic: Omni-Directional

   4- 2) Sensitivity Range     --32+2 dB at 1KHZ (0 dB=1 V/Pa) RL=2.2 KΩ VCC=2.0 V

   4- 3) Impedance             2.2 KΩ+30% at 1KHZ  (RL=2.2 KΩ)

   4- 4) Frequency Response      As Fig.3

   4- 5) S/N ratio                More than 58 dB

   4- 6) Max Input Sound Level   115 dB  S. P. L

   4- 7) Operating Voltage       2.0V  (1.110V)

   4- 8) Circuit Current           400μA  max  (VCC=3.0V)

   4- 9) Terminal Locations       As per Fig.1

   4-10) Electrical Circuit         As per Fig.2

   4-11) Capacitor                33pF

   4-12) Storage Temperature     -20℃~+60

   4-13) Operating Temperature     -10℃~+55

 

5. Reliability Tests:

After any following tests ,the sensitivity of the microphone unit shall not change more than

+3 dB from initial value, and shall keep their initial operation and appearance.

 

5.1

High Temperature test

The microphone unit must be subjected to +70for 200 Hours, and expose to room temperature for 6 Hours.

 

5.2

Low

Temperature test

The microphone unit must be subjected to -25for 200 Hours, and expose to room temperature for 6 Hours.

 

5.3

 

Temperature Cycle  test

The microphone unit must be subjected to following conditions (+501Hroom temp 1H-101Hroom temp 1H) at 5 cycle, and expose to room temp for 6 Hours.

 

5.4

 

Humidity Test

The microphone unit must be subjected to +40, 90% RH for 200 Hours, and expose to room temperature for 6 Hours.

 

5.5

 

Drop Test

The microphone unit without package must be subjected to each 3 drops at three axes from the height of 1 meter to 20mm thick hardwood board.

 

5.6

 

Vibration Test

The microphone unit must be subjected to each 3minutes vibration at three axes 3mm dynamic range, 1000 cycle/minute.

 

5.7

Soldering Heat Shock

To solder with a 30w soldering iron in a Aluminum soldering tooling at 260℃~300for less than 2seconds.

 

 

 

 

Fig.1:  Appearance and dimension (Unit: mm  Scale :  4 : 1)

Unit: mm L1=25mm  L2=1.5mm

1(16).png 

Fig 2:  Electrical circuit

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Fig . 3:  Frequency response

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