Detailed Product Description
Typical values of piezoelectric ceramic materials
Material types | S42 | S43 | S44 | S44-2 | S43A | S44A | S81 | |
Properties | Items | P-42 | P-43 | FM-2-1 | SP-12-4 | P-8 | ||
Coupling Coefficients(%) | Kp | 65 | 66 | 68 | 66 | 59 | 60 | 58 |
Kt | 48 | 46 | 48 | 47 | 72 | 68 | 46 | |
K31 | 33 |
| 34 | 35 | 35 | 33 | 30 | |
Piezoelectric Charge Constants (PC/N) | d33 | 320 | 290 | 330 | 330 | 300 | 300 | 250 |
d31 | -155 |
| -135 | -140 | -125 | -109 | -110 | |
Piezoelectric voltage constants (X10-3Vm/N) | g33 | 25.8 | 26.8 | 23.4 | 23.2 | 26.5 | 25.5 | 27.4 |
g31 | -12.5 |
| -10.5 | -10.2 | -11 | -10.5 | -9.8 | |
Dielectric constants | E33T/E0 | 1550 | 1220 | 1620 | 1570 | 1250 | 1350 | 1200 |
Dissipation factor (%) | tgδ | 0.4 | 0.4 | 0.4 | 0.5 | 0.4 | 0.35 | 0.4 |
Frequency contents (Hz ?M) | Nt | 2050 | 2040 | 2050 | 2080 | 2005 | 2005 | 2050 |
Np | 2230 | 2210 | 2250 | 2220 | 2130 | 2055 | 2300 | |
NL | 1650 |
| 1630 | 1630 | 1524 | 1700 | 1655 | |
Elastic constants (X1010N/m2) | SE11 | 11.5 |
| 12.5 | 12.1 |
|
| 12.1 |
SD11 | 10.2 |
| 11.2 | 11.1 |
|
| 10.9 | |
Mechanical Q | Qm | 600 | 600 | 1400 | 1200 | 500 | 1400 | 1000 |
Curie temperature (oC) | Tc | 305 | 300 | 300 | 280 | 325 | 320 | 320 |
Density (g/cm3) | p | 7.6 | 7.6 | 7.7 | 7.7 | 7.6 | 7.6 | 7.6 |
