Piezo acoustic components are more and more used in small portable equipment and as a critical alerting device. Reliability must be very high in the most difficult environmental circumstances, such as extreme and varying temperatures, vibrations, shocks, dust conditions, humid environment, etc. The SMAC buzzers and transducers, manufactured with over 30 years of experience in the field of piezo acoustic technology, are very stable sound components with a lifetime of more than 1000 hours in continuous use. In these small dimensions, the SMAC buzzers and transducers are actually the best available piezo alarms for life-supporting systems.
Advantages
- Electronics included
- Rounded octagonal shape
- PCB mounting (pin version)
- Shock, dust & waterproof (IP67)
- Produces a high reliable & clear sound
- Light but solid construction
- Low power consumption
- Easily mountable
- Low cost compared to quality
Applications
- Alarms
- Trucks and automobiles
- Signalling and Process control equipment
- Boats
- Fire detectors
- Airplanes
- Life support systems
- Gas detectors
Products
Model | Function | Sound pressure level*
(dB(A) (+/- 2Hz) |
Frequency (Hz)
(+/- 15%) |
Operating Voltage (Vdc) | Operating*** DC current (mA) |
---|---|---|---|---|---|
SMAC – 25 | continuous | 93.5 | 3350 | 5 – 16 Vdc | 9.7 |
SMACI – 25 | intermittent* | 93.5 | 3350 | 5 – 16 Vdc | 9.7 |
SMAC – 25L (under construction) | continuous | 100 | 3350 | 5 – 35 Vdc | 17 |
SMACT – 25 | transducer | see graph | see graph | – | – |
Model | Capacitance
(+/- 30%) nF) |
Operating Voltage
(VAC pp) |
---|---|---|
SMACT – 25 | 20nF | 0 to 30 |
Operating temperature | -40°C to +85°C |
Storage temperature | -40°C to +85°C |
Expected Lifetime | >1000 hours @12Vdc @21°C (free air) mounted on print |
Color | Grey, Black |
Terminals | pins ( tinned brass) |
Case material | PBL (UL rating:94 HB) |
Weight | 7.8 – 8.5 g |
For More Information Contact : technical@fmgelectronics.ie