KY-012 有源蜂鳴器模組 Active Buzzer Module
工作電壓Operating Voltage | 3.5V ~ 5.5V |
最大電流Maximum Current | 30mA / 5VDC |
响應頻率Resonance Frequency | 2500Hz ± 300Hz |
最小聲量Minimum Sound Output | 85Db @ 10cm |
工作溫度Working Temperature | -20°C ~ 70°C [-4°F ~ 158°F] |
儲存溫度Storage Temperature | -30°C ~ 105°C [-22°F ~ 221°F] |
尺寸Dimensions | 18.5mm x 15mm [0.728in x 0.591in] |