Electromagnetic transducers without generator
| Features | without built-in generator |
| Type of sound transducer | electromagnetic signaller |
| Symbol |
BMT-0903H5.5 |
BMT-1205H09 |
BMT-1212H09 |
AI-2437-TWT-R |
| Manufacturer |
BESTAR |
BESTAR |
BESTAR |
PUI AUDIO |
| Mounting |
|
|
|
|
| - THT |
x |
x |
x |
|
| Diameter [mm] |
|
|
|
|
| - 9 |
x |
|
|
|
| - 12 |
|
x |
x |
|
| - 24 |
|
|
|
x |
| Height [mm] |
5.5 |
9 |
9 |
18 |
| Term. pitch [mm] |
4 |
6.5 |
6.5 |
15 |
| Operating voltage [V AC] |
|
|
|
|
| - 2...6 |
x |
|
|
|
| - 4...8 |
|
x |
|
|
| - 7...16 |
|
|
x |
|
| Operating current [mA] |
80 |
40 |
40 |
8 |
| Coil resistance [Ω] |
25 |
45 |
140 |
- |
| Coil res. toler. [Ω] |
±4 |
±5 |
±14 |
- |
| Res. freq. [kHz] |
2.73 |
2.4 |
2.4 |
3.7 |
| Sound level |
|
|
|
|
| - 82dB |
x |
|
|
|
| - 85dB |
|
x |
x |
|
| - 100dB |
|
|
|
x |
| Operating temperature [°C] |
|
|
|
|
| - -25...70 |
x |
|
|
|
| - -25...85 |
|
x |
x |
|
| Operating voltage [V] |
- |
- |
- |
3...16 |
