★尺寸(size):φ30mm×19.5mm
★电压范围(Voltage Range):3-20VDC
★额定电压(Rated Voltage):12VDC
★使用频率(frequency):3600±500Hz
★声压(SPL):Min.90dB(12VDC/30cm)
★电流(Current):≤10mA
★成品重量(weight):2g
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★尺寸(size):φ30mm×19.5mm
★电压范围(Voltage Range):3-20VDC
★额定电压(Rated Voltage):12VDC
★使用频率(frequency):3600±500Hz
★声压(SPL):Min.90dB(12VDC/30cm)
★电流(Current):≤10mA
★成品重量(weight):2g