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NOVA 3B

Modified Lead Titanate Piezoelectric Ceramic for High Frequency Applications

Lead titanate piezoelectric ceramic for high frequency applications.Piezo Technologies' NOVA 3B, a lead titanate piezoelectric ceramic, has a high ratio of k33 to kp with a high kt. A finer grain structure makes it more suitable for higher frequency applications.

NOVA 3B PHYSICAL & ELECTRICAL PROPERTIES
Note:  The above values are nominal. 
k3 Relative Dielectric Constant 215
k33 Longitudinal Coupling Coefficient 0.515
k31 Transverse Coupling Coefficient Not Detectable
k15 Shear Coupling Coefficient 0.30
kt Thickness Coupling Coefficient 0.515
kp Planar Coupling Coefficient < 0.01
kt / kp Ratio Approaches 0.00
d33 Piezoelectric Strain Constant (x 10-12 Coul/Newton) 70
d31 Piezoelectric Strain Constant (x 10-12 Coul/Newton) 0
d15 Piezoelectric Strain Constant (x 10-12 Coul/Newton) 60
g33 Piezoelectric Voltage Constant (x 10-3 Vm/N) 37
g31 Piezoelectric Voltage Constant (x 10-3 Vm/N) 0
g15 Piezoelectric Voltage Constant (x 10-3 Vm/N) 23

QM

 Mechanical Q (Thickness) 300

YE33

 Young's Modulus at Constant Field (x 1010 N/m2) 12
D Dissipation (factored at 1kHz) 0.015
Nt Thickness Frequency Constant (kHz-in)
(Hz-m)		 84
2135
ρ Density (g/cm3) 7.65
ZA Acoustic Impedance (Mega RayL) 33
Vs Sound Velocity (m/sec) 4270
TC Curie Temperature (°C) 350
CTE Coefficient of Thermal Expansion (x 10-6 in/in/°F)

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