Ultrasonic piezoelectric transducer.
Diameter: 50mm/1.97inch; Thickness: 2.5mm/0.1inch.
Power: 35W; Resonant Impedance: ≤5Ω.
Radial Resonant Frequency: 43±5%KHz.

Specification:

Static Capacitance: 6500±20%pF
Load Capacitance: 3500pF
Electromechanical Coupling Coefficient: ≥0.53
Dielectric Loss: ≤0.5%