Skip to Content
Main Content


LF41 is a lead-free piezoceramic formulation based on the potassium sodium niobate system (KNN). Its high piezoelectric coefficients make it an alternative to soft-doped PZT ceramics.

Series Resources

  • Lead-Free Material
  • Low Mechanical Quality Factor
  • High Piezoelectric Coefficients

  • Receivers. Hydrophones
  • Medical Diagnostics (Imaging, IVUS)
  • Combined, Doppler
  • Implantable Devices
  • Non-Destructive Testing (NDT)
  • Shock/Acceleration Sensors
  • Acoustic Emission
  • Actuators
  • Flow and Level Transducers
Relative Dielectric Constant2200
Dielectric Dissipation Factor0.019
Curie Temperature (°C)250
Mechanical Quality Factor50
Coupling Coefficient k330.59
Coupling Coefficient kt0.47
Piezo Coefficient d31-148
Piezo Coefficient d33300

Man and woman team smiling while leaning on distribution line.

Where to Buy

CTS components are stocked and sold through a global network of distributors & sales representatives. Select your preferred partner in the link below.

Where to Buy