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福鼎 FDC-250125F电磁无源蜂鸣器用于汽车仪表盘
A. SCOPE
This specification applies magnetic buzzer, FDC-250125F-05008R33
B. SPECIFICATION
| No. |
Item |
Unit |
Specification |
Condition |
|
1 |
Oscillation Frequency |
Hz |
800 |
Vo-p=1/2duty , square wave |
|
2 |
Operating Voltage |
Vo-p |
3 ~ 6 |
|
|
3 |
Rated Voltage |
Vo-p |
5 |
|
|
4 |
Current Consumption |
mA |
MAX.80 |
at Rated Voltage |
|
5 |
Sound Pressure Level |
dB |
MIN. 85 |
at 10cm at Rated Voltage |
|
6 |
Coil Resistance |
Ω |
33±5 |
|
|
7 |
Operating Temperature |
℃ |
-40 ~ +85 |
|
|
8 |
Storage Temperature |
℃ |
-40 ~ +85 |
|
|
9 |
Dimension |
mm |
Φ24.8 x H12.5 |
See appearance drawing |
|
10 |
Weight (MAX) |
gram |
8.2 |
|
|
11 |
Housing Material |
|
PPO( Black ) |
|
|
12 |
Leading Pin |
|
Tin Plated Brass(Sn) |
See appearance drawing |
|
13 |
Environmental |
|
RoHS |
|
C. APPEARANCE DRAWING
Tol : ± 0.5 Unit: mm
D.TESTING METHOD
Standard Measurement conditions
Temperature:25±2℃ Humidity:45-65%
Acoustic Characteristics:
The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below(Recommend Driving Circuit)
In the measuring test, buzzer is placed as follows:
E. Typical Frequency Response Curve
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