Electrical Specifications: Type Unit SPT-9020B-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 70 * Resonant Frequency Hz 4000±500Hz Capacitance at 120Hz pF 12000±30% Operating Temperature ℃ -20 ~ +70 Storage Temperature ℃ -30 ~+80 &nbs…
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