TRS 701
Low-permittivity Type I hard PZT, for high-impedance drive where a dielectric constant of 500 is the point.
| Navy type | Type I |
|---|---|
| Density | 7.90 g/cm³ |
| Curie temperature (Tc) | 350 °C |
| Dielectric constant (Kᵀ₃₃) | 500 |
| Dielectric loss | 1.5 % |
| Coercive field (Ec) | 10 kV/cm |
| Piezoelectric coefficient (d33) | 150 pm/V |
| Transverse coefficient (d31) | -60 pm/V |
| Shear coefficient (d15) | 360 pm/V |
| Electromechanical coupling (k33) | 0.66 |
| Thickness coupling (kt) | 0.48 |
| Planar coupling (kp) | 0.51 |
| Shear coupling (k15) | 0.67 |
| Planar frequency constant (Np) | 2360 Hz·m |
| Thickness frequency constant (Nt) | 2100 Hz·m |
| Mechanical Q (Qm) | 600 |
