描 述
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 Protection Regulation | | 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