福鼎FDB-090055F電磁有源蜂鳴器
A. SCOPE
This specification applies magnetic buzzer, FDB-090055F-03027
B. SPECIFICATION
| No. | Item | Unit | Specification | Condition |
1 | Oscillation Frequency | KHz | 2.7 ± 0.3 | |
2 | Operating Voltage | VDC | 2 ~ 4.2 | |
3 | Rated Voltage | VDC | 3 | |
4 | Current Consumption | mA | MAX. 30 | at Rated Voltage |
5 | Sound Pressure Level | dB | MIN. 80 | at 10cm at Rated Voltage |
6 | Tone/Pulse Rate | Constant | ||
7 | Operating Temperature | ℃ | -20 ~ +70 | |
8 | Storage Temperature | ℃ | -30 ~ +80 | |
9 | Dimension | mm | Φ9.0 x H5.5 | See appearance drawing |
10 | Weight (MAX) | gram | 1.0 | |
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
In the measuring test, buzzer is placed as follows:
E. VOLTAGE / CURRENT / SOUND PRESSURE CHARACTERISTICS
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