6027 electret condenser microphone 6*2.7mm with or without capacitor

Storage and judgement conditions:

Specifications:

Test conditions: Vs=2.0V, RL=2.2KΩ, Temp=20±2℃, R.H=60±5%

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:

Dimension:(mm)

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