Electromechanical coupling coefficient KP: 0.52
Piezoelectric constant d33(10ˉC /N): ≥180
Qm:≥1000
Relative permittivity ε33/ε0: 1000~1100
Dielectric loss tgδ%: 0.3
Thickness vibration Fr(Khz): 420±1.0
Bandwidth (Khz): ＞16
Zr (Ω): ＜10
d33(10ˉC /N): ＞180
C(nf): 690±15%
Advantage: Good thickness vibration waveform
Application: Products are used in mask welding machines and other fields