Active buzzers contain an internal oscillator that generates the signal needed to drive the transducer. They operate at a fixed frequency and can produce only a single tone. Simply apply a DC voltage within the specified operating range and voilà, let there be sound.
Features / Specs
- Part Number: TMB-12A05
- Rated Voltage: 5VDC
- Operating Voltage Range: 4V ~ 7VDC
- Rated Current: ≤ 30mA
- Resonant Frequency: 2.3kHz ±500Hz
- Sound Output: ≥ 85dB
- Operating Temperature Range: ~(-20°C to +60°C)
- Dimensions: 12mm Diameter / 9.5mm Height