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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 (1.1～10V)
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 +70℃ for 200 Hours, and expose to room temperature for 6 Hours. |
5.2 | Low Temperature test | The microphone unit must be subjected to -25℃ for 200 Hours, and expose to room temperature for 6 Hours. |
5.3 |
Temperature Cycle test | The microphone unit must be subjected to following conditions (+50℃ 1H～room temp 1H～-10℃ 1H～room 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℃～300℃ for less than 2seconds. |
Fig.1: Appearance and dimension (Unit: mm Scale : 4 : 1)
Unit: mm L1=25mm L2=1.5mm
.png "1(16).png")
Fig 2: Electrical circuit
.png "2(15).png")
Fig . 3: Frequency response
.png "3(14).png")
