6027 electret condenser microphone 6*2.7mm with or without
capacitor
Storage and judgement conditions:
| Temperature range(℃) | Rel Humidity(%) | Static pressure(kPa) |
| Judgement | 19~21 | 60~70 | 86~106 |
| Storage | -30~70 | | |
| Operating | -20~60 | | |
Specifications:
Test conditions: Vs=2.0V, RL=2.2KΩ, Temp=20±2℃, R.H=60±5%
| Item | Symbol | Test conditions | Min. | Standard | Max. | Unit |
| Sensitivity | S | f=1KHz, S.P.L=1Pa | -43 | -40 | -37 | dB 0dB=1V/Pa |
| Impedance | Z | f=1KHz, S.P.L=1Pa | | | 2.2 | KΩ |
| Directivity | Omni-directional |
| Current consumption | I | | | | 500 | μA |
| Operation voltage range | Vs | | 1.0 | 2.0 | 10 | V |
| S/N ratio | S/N(A) | f=1KHz, S.P.L=1Pa A curve | ≥58 | | | dB |
| Decreacing voltage characteristic | △S | f=1KHz, S.P.L=1Pa Vs=2.0-1.5V | | | -3 | dB |
| Max. input sound level | MISPL | f=1KHz Distortion<1% | | | 110 | dB |
Frequency response:
Test circuit:
Measurement Circuit
Vs:Source Voltage 2.0V RL:Load Resistance 2.2KΩ
Test setup drawing:
Reliability Test:
All tests should be done after 2 hours of conditioning at
20℃,R.H65% ,while the sensitivity is to be within ±3dB from the
initial sensitivity after the following experiments.
8.1 High Temperature Test
High temperature: +80℃
Duration: 72 hours
8.2 Low Temperature Test
Low temperature: -40℃
Duration: 72 hours
8.3 Temperature Cycle Test (See in Fig.1)
Low temperature: -40℃
High temperature: +80℃
Changeover time: 10min
Duration: 30min
Cycle: 32
8.4 Statical Humidity Test
Temperature: +40℃
Relative humidity: 90～95%
Duration: 72hours
8.5 Vibration Test
Amplitude : 1.52mm
Duration: 1minutes /plane
Freq.range: 10～55 Hz
Total time: 2 hours
8.6 Dropping Test
Drop a unit unpacked onto a board of 20mm thick.
Height: 1.0 m
Cycle: 6
List and Structure of Materials:
| No. | Part name | Material name | Qty |
| 1 | PCB | FR-4 | 1 |
| 2 | FET | K596 | 1 |
| 3 | Holder | POM | 1 |
| 4 | Back plate | Cu | 1 |
| 5 | Spacer | Mylar | 1 |
| 6 | Film | FEP | 1 |
| 7 | Outer most shell | Al | 1 |
| 8 | Cloth | Fabrics | 1 |
Dimension:(mm)
