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LF22 is a lead-free piezoceramic formulation based on the potassium sodium niobate system (KNN). It is an alternative to soft-doped PZT ceramics, offering a higher Curie temperature than LF41.

Series Resources

  • Lead-Free Material
  • Candidate for Replacing Soft-Doped PZT

  • Receivers. Hydrophones
  • Implantable Devices
  • Non-Destructive Testing (NDT)
  • Actuators
  • Flow and Level Transducers
Relative Dielectric Constant1400
Dielectric Dissipation Factor0.013
Curie Temperature (°C)290
Mechanical Quality Factor100
Coupling Coefficient k330.5
Coupling Coefficient kt0.39
Piezo Coefficient d31-95
Piezo Coefficient d33180

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