8530方形SMD贴片式蜂鸣器 8.5*8.5*3蜂鸣器(片) 侧面发音 无源外形尺寸：8.5MMX8.5MM高度3MM现货供应8530贴片蜂鸣器 全新编带包装材质 ABS 声道数 单声道Oscillation Frequency (Hz)2700Operating Voltage (Vp-p)2.5 ~4.5Rated Voltage (Vp-p)3.6Current Consumption (mA/max.)95 at Rated VoltageSound Pressure Level (dB/min.)85 at 10cm at Rated VoltageCoil Resistance (Ω)16 ± 3Operating Temperature (℃)-20 ~ +60Storage Temperature (℃)-30 ~ +80PS：Vp-p＝1/2duty , square wave