PictOld
 型 号 ModelLZQ-2010系列发声形式Sound-Making Type不带音源External-Driven piezo Transducer额定电压 Rated Volt(v.Dc)可承受电压40VP-PAllowable Input voltage工作电压 Operating volt.Range(v.Dc)电容量45nF±30%Capacitance AT 120HZ额定电流 Rated Current (mA.max)3mA At
1.0kHz/12vp-p square wave声压 Sound pressure Leved(Dba/10cm)85dB At1.0kHz/12vp-p square wave/30cm声频 Resonant Frequeney(Hz)3000±500重量 weight(g)5工作温度 Operating Temp(℃)  ﹣20～ 70