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Lead-Free

LF51 is a lead-free piezoceramic formulation based on the potassium sodium niobate system (KNN). It offers properties close to hard-doped PZT ceramics, with a higher permittivity than LF52.

Series Resources

  • Lead-Free Material
  • High Mechanical Quality Factor
  • High-Power Transmitters
  • Medical Therapeutics (HIFU, Surgery, Dental)
  • Ultrasonic Cleaning, Cutting and Welding
Specifications
MaterialKNN
Relative Dielectric Constant1100
Dielectric Dissipation Factor0.01
Curie Temperature (°C)230
Mechanical Quality Factor725
Coupling Coefficient k330.39
Coupling Coefficient kt0.30
Piezo Coefficient d31-50
Piezo Coefficient d33120

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