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Electret condenser microphone capsule — a capacitor microphone with a permanently charged diaphragm and a built-in FET. Polarised: it needs a bias resistor to the positive rail and will not work connected backwards.
| Category | Sensors › Microphones & Sound |
|---|---|
| Package | Electret mic 2-pin 2.54mm |
| Pins | 2 |
Electret Condenser Microphone pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | + | passive | |
| 2 | - | passive |
Schematic symbol and footprint
Schematic symbol
Footprint: Electret mic 2-pin 2.54mm — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
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