Product description
Piezo element that can be used either to play sound or, in reverse, pick up sound/vibrations. Very low profile. Requires external oscillator.
Also called a contact microphone when used to pick up sound.
Specifications:
- Resonant frequency: 4.9kHz ±1kHz
- Impedance: 1.5 kohm @ 4.9kHz
- Diameter: 12mm
- Thickness: 0.12mm