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): 210±5
Bandwidth (Khz): ＞10
Zr (Ω): ＜8
d33(10ˉC /N): ＞180
C(nf): 1.75±15%
Advantage: Good thickness vibration waveform
Application: Products are used in mask welding machines and other fields
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