The MU044402-1 is a surface-mount electret condenser microphone with a frequency range of 40Hz to 20kHz and a maximum impedance of 2200 ohms. It has a sensitivity of -44dB and a maximum current consumption of 0.45mA. The microphone operates with a supply voltage of 1.7V to 5V and is terminated with a solder pad. It is a unidirectional microphone with a round shape.
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| Technology | Electret Condenser |
| Frequency Range | 40 to 20000Hz |
| Maximum Impedance | 2200(Typ)Ohm |
| Sensitivity | -44dB |
| Maximum Current Consumption | 0.45mA |
| Minimum S/N Ratio | 55dB |
| Max Operating Supply Voltage | 5V |
| Typical Operating Supply Voltage | 2V |
| Min Operating Supply Voltage | 1.7V |
| Termination Method | Solder Pad |
| Shape | Round |
| Directivity | Unidirectional |
| RoHS | Yes |
| RoHS Version | 2011/65/EU, 2015/863 |