For cleaning Machine , Beauty machine ,medical machine
Resonant Frequency (fs) fs= 44.0KHz±5%
Resonant Resistance (Zr) Zr ≤10Ω(Zr =max25Ω)
Capacitance (Cp) Cp =8400pF±10%
Mechanical Factor (Qm) ≤0.5%
Piezoelectric strain constant d33≥300×10-12 m/V
Mechanical Factor (Qm ) Qm≥200
Bandwidth (Δf=fp-fr) Δf ≥10.0KHz
Insulation Resistance (Rv) Rv ≥100MΩ（2000V DC）
Customized depand on customer reqeuirment
