描?述
A. SCOPE
This specification applies piezo buzzer, FDT-540230F-90035
B. SPECIFICATION
| No. | Item | Unit | Specification | Condition |
| 1 | Oscillation Frequency | KHz | 3.5±0.5 | square wave |
| 2 | Operating Voltage | Vp-p | 1 ~ 150 | |
| 3 | Rated Voltage | Vp-p | 90 | |
| 4 | Current Consumption | mA | MAX. 80 | at Rated Voltage |
| 5 | Sound Pressure Level | dB | 95 | at 100cm at Rated Voltage |
| 6 | Electrostatic Capacity | pF | 35000±30% | at 120Hz |
| 7 | Operating Temperature | ℃ | -40~ +85 | |
| 8 | Storage Temperature | ℃ | -40 ~ +85 | |
| 9 | Dimension | mm | Φ54 x H23 | See appearance drawing |
| 10 | Weight (MAX) | gram | 20 | |
| 11 | Housing Material | | ABS (Black /Red/ yellow) | |
| 12 | Leading Pin | | | 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. Typical Frequency Response Curve