BESTAR Pin-Type Passive Electromagnetic Buzzer BMT0903H5.5 LF
| 1. Rated Voltage(Square Wave) | 3 Vo-p |
| 2. Operating Voltage | 2...6Vo-p |
| 3. a)Rated Current | max.80mA |
| 4. Coil Resistance | 25±4Ω |
| 5. b)Coil Impedance | 45Ω |
| 6. a)Sound Output at 2730,10cm | Min.82dB |
| 7. Rated Frequency | 2731Hz |
| 8. Operating Temperature | -25...+70℃ |
| 9. Storage Temperature | -40...+80℃ |
| 10. Weight | 1g |
| a)Value applying at rated voltage.(2731Hz, square wave,1/2duty) | |
| b)Value applying 2731Hz,sine wave,measuring 60μA | |
Features:
● Small size
● High sound pressure
Description
Electromagnetic buzzers BMT0903H5.5 LF are designed to be able to provide modulated, efficient, and reliable acoustic signaling to consumer electronics and household appliances which depend on clear and timely audio cues. It is developed using electromagnetic drive, these buzzers work based on electric bells and buzzers electromagnets that utilizes an electromagnetic coil where the coil causes the diaphragm to oscillate to give out sound. They also have the ability to respond quickly, have a constant output and have high energy efficiency due to this mechanism which makes them a perfect sound reproducing system where time is of the essence and reliability of the sound being produced.
When designed properly in an electromagnetic buzzer circuit, these devices can give accurate tone control so that alerts like a cooking timer, washing machine wash cycle, or refrigerator door alarm are discernible and unique. Their energy demands are very low hence adding to the overall energy efficiency of the machine and small sizes enable them to be easily incorporated within the space saving modern design.
In addition to the performance, our magnetic buzzers are cost-effective and would therefore be a preferred manufacturer by OEMswho may develop the high-volume household appliances. They are durable and thus lessen the need to replace and maintain them.
Their unique blend of the reliable performance of electric audible bells and buzzers electromagnets and the optimum electromagnetic buzzer circuits electronics provide exactly the right combination of reliability, service life and cost in the household audio prompt applications.













