Piezo Transducer KPT-1740BP series Piezo Transducer FREQUENCY RESPONSE [actual curve of type] DIMENSIONS 10 Bottom View applied voltage: 12Vp-p. 1/2 duty, square wave distance for measurement: 10cm Model No KPT-1740BP Rated Voltage Operating Voltage Max.Rated Current Resonant Frequency Min.Sound Pressure Level Capacitance at 100Hz Housing Material/Color Operating Temperature Store Temperature Weight 9Vp-pSquare Wave 3¡«30Vp-p Square Wave 3mA/9Vp-p Square Wave/4KHz 4.0¡À0.5KHz 90dB/9Vp-pSq.