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Piezo Tech is ISO 9001:2000 Certified. Certification No. C2006-02533. Etalon logo

PIEZOELECTRIC EXAMPLE 1

275 kHz Composites vs. K350 Piezoelectric Ceramic

  ELECTROMECHANICAL PROPERTIES COMPARISON:
K350 Ceramic Compared to 275 kHz Composites
(three variations using the K350 ceramic)
Note:  The above values are nominal. 
  Fa Fa Fa/Fr Zr qr C D kt K3 Qm d33 nt
Sample (kHz) (kHz)   (ohms) (deg) (pF)         pm/V kHz-in
K350 Ceramic 328 313 1.048 78 -5 1175 0.012 0.328 1825 63 394 78.25
275 kHz A 396 277 1.42 140 -11 593 0.017 0.739 653 13.4 370 55.4
275 kHz B 375 277 1.35 333 -20 565 0.019 0.689 638 6.7 410 55.4
275 kHz C 331 273 1.21 113 -2 559 0.015 0.604 634 28.6 432 54.6


  PHYSICAL PROPERTIES COMPARISON:
K350 Ceramic Compared to 275 kHz Composites
(three variations using the K350 ceramic)
Note:  The above values are nominal. 
  Vol. % Ceramic qr Diameter Thickness Acoustic Impedance
Sample (%) (g/cm3) (in) (in) (MRayL)
K350 Ceramic 100 7.80 0.998 0.250 31.0
275 kHz A 40 3.72 0.998 0.200 10.5
275 kHz B 40 3.78 0.998 0.200 10.6
275 kHz C 40 3.84 0.998 0.200 10.7


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