piezo buzzer 20mm
Product Introduction
piezo buzzer 20mm
20mm Piezo Buzzer 3.9Khz FT-20T-3.9BE
Resonant frequency: 3.9±0.3 KHZ
Static Capacitance( pF±30% ): 25000
Impedance:400Ω
Input voltage: 30Vp-p Square Wave MAX.
Current consumption: 30mA Max
Plate material: Cu
Operating temperature: -20℃ to +70℃
Storage temperature: -25℃ to +75℃