TFM-21

Features: 
Low frequency
Low current drain
Light and compact
Characteristic Min Typical Max Notes
Type Piezo
Excitation External Driven Tone: Square Wave
Sound Pressure Level dB at 30cm 80 Measured 80 dB at 30cm
Frequency kHz 0.9 Rated frequency ± 0.5 kHz
Voltage V 12 peak to peak voltage of square wave
Peak voltage allowed V 40
Current mA 4
Input Capacitance nF 85 ± 30% measured at 120 Hz
Temperature ºC -20 70
Width mm 50 Case:ABS/Black
Height mm 9.5
Weight g 11
Termination lead wire
Characteristic Response: 

Dimension Drawing: