| Self-drive type sounder OSF6-21D |
|
 Rating |
(Measurement condition : 25 ±2,45~60%RH) |
| Electrical characteristics |
Oscillation sound |
Continuance |
Output sound pressure
(dB min.)
(Measurement condition) |
70 (12VDC,1m) |
| Oscillating (kHz) |
3.7±0.5 |
| Current consumption (mA max.) |
10 |
| Rated power supply voltage (VDC) |
12 |
| Operating voltage (VDC) |
3~18 |
| Rated working temperature range () |
-20~+70 |
| Shapes and structures |
Dimensions (mm) |
Out diameter |
 22.5 |
| Height |
12 |
| Terminal |
Lead pin |
| Casing color |
Glay |
| Weight (g) |
1.9 |
Above data were obtained by measurement using FDK's test circuits. |
|
| Shapes |
| Dimensions |
A |
B |
C |
E |
F |
G |
| OSF6-21D |
22.5 |
6 |
12 |
23 |
2.75 |
5 |
The OSF6-21D case has the same shape as that
of OSF6S-21D |
|
| Self-drive type sounders: sound pressure
vs. input voltage |
 |
|
| Example of recommended self-drive type sounder
circuit |
 |
