SMD Buzzer SPT-1230B-03040 12x12x3.0mm 

Electrical Specifications:    Type   Unit SPT-1230B-03040     Rated Voltage(Square wave) Vp-p 3     Operating Voltage  Vp-p 1~25 *  Rated Current (Max)  mA 3 *  Min sound output at 10cm  dB 75 *  Resonant Frequency  Hz 4000±500Hz   Capacitance at 120Hz     pF 16000±30%    Operating Temperature ℃ -20 ~ +70    Storage Temperature ℃ -30 ~+80  &nbs…

Piezo Buzzer Waterproof Speaker Piezo Transducer Mechanical Buzzer SMD MIC