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電磁式蜂鳴器 (外部驅動)
規格說明
| Rated Voltage ( Vo-p ) | 3 |
| Operating Voltage ( Vo-p ) | 2~5 |
| Current Consumption ( mA ) | 70 max |
| Coil Resistance ( Ω ) | 25 ± 4 |
| Sound Pressure Level at 10cm | 80dB min. |
| Resonant Frequency ( Hz ) | 2731 |
| Operating Temperature ( ℃ ) | -20 ~ +70 |
| Weight | 1.0gms. |
