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壓電式蜂鳴器 (內建驅動線路)
規格說明
| Sound Pressure Level ( dB min. ) 10cm | 100 |
| Current Consumption 9VDC ( mA ) | 10.0 max. |
| Oscillating Frequency ( ± 0.5KHz ) | 2.9 Continuous tone |
| Working Voltage ( VDC ) | 3 ~ 30 |
| Operating Temp. ( ºC ) | -20 ~ +85 |
| Weight (gms) | 11.5 |
