12mm压电式陶瓷蜂鸣器外部驱动

-----PHOTO-----------ITEM------1240T2PA1240T2PC---1240T2PA---SOUND PRESSURE LEVEL-输出音压（最小）*min.80dB RESonANT FREQUENCY谐振频率4,000 ± 300 Hz CAPACITANCE静电容量(At 120 Hz)12,000pF ± 30% ALLOWABLE INPUT VOLTAGE承受电压(最大）max.30 Vp-p OPERATING TEMPERATURE RANGE操作温度-20℃to +60℃ STORAGE TEMPERATURE RANGE贮藏温度-30℃to +70℃ ----*Test Condition : 4.0K Hz /6Vp-p SQuare Wave/10cm     ------OUTLINE DRAWING-(UNIT:mm)-------------FREQUENCY CHARACTERISTICS------