產品說明 SPECIFICATION OscillationFrequency(Hz) 2700 OperatingVoltage(Vp-p) 2.5~4.5 RatedVoltage(Vp-p) 3.6 CurrentConsumption(mA/max.) 90atRatedVoltage SoundPressureLevel(dB/min.) 85at10cmatRatedVoltage CoilResistance(Ω) 16±3 OperatingTemperature(℃) -20~+60 StorageTemperature(℃) -30~+80 Environmentalprotectionrule ROHS APPEARANCEDRAWING Tol:±0.5Unit:mm TypicalFrequencyResponseCurve