Part Name: Back Electret Omnidirectional Microphone P/N#BOM-6027P28-V20-S-C 1 Application: 1.1 Aerospace / Aircraft 1.2 Automotive 1.3 Computer / Workstation 1.4 Consumer Electronics / Gaming 1.5 Headset / Helmet 1.6 Loudspeaker / Public Address 1.7 Music / Audio Systems 1.8 Security / Paging 1.9 Telephone / Voice Communication 2 Electrical Specifications: 2.1 Directivity: Omni-directional 2.2 Electret: Back 2.3 Sensitivity Range: -40±3dB, -42±3dB, -44±3dB, -46±3dB (Vs=2.0V, RL=2.2KΩ, 0dB=1V/Pa, 1KHz) 2.4 Output Impedance: 2.2kΩ (Maximum) 2.5 Frequency Range: 20 ~ 16000Hz 2.6 Max Operation Voltage: 10.0V 2.7 Standard Operation Voltage: +2.0VDC 2.8 Current Consumption: 0.5mA (Maximum) 2.9 Sensitivity Reduction: Within -3dB at 1.5-2.0V Sensitivity Variation 2.10 S/N Ratio: More than 58 dB 2.11 Connection: Pin=2.8mm 3 Mechanical Characteristics: 3.1 Diameter:6.0 mm 3.2 Thickness / Height:2.7 mm