Description
This is a small 12mm round speaker that is rated for 3V and operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces.
This is not a true piezoelectric speaker but behaves similarly. Instead of a piezoelectric crystal that vibrates with an electric current, this tiny speaker uses an electromagnet to drive a thin metal sheet. That means you need to use some form of alternating current to get sound. The good news is that this speaker is tuned to respond best with a square wave (e.g. from a microcontroller).
Technical Details
- Sound-making Type : Continuous Sound;
- Rated Voltage : DC 3V
- OPERATING VOLTAGE: DC 2~5V
- Body Size(Terminal not included) : 12 x 9.5mm / 0.47″x 0.37″(D*T);
- Terminal Pitch : 7.6mm / 0.29″;
- Sound Output : ≥85dB
- External Material : Plastic;
- Frequency : 2300+/-300Hz
- Current: : 30mA;
- Operating Temperature: -20~+70℃
