piezoelectric actuator,piezoelectric ceramic,Piezo Dispensing Valve
Type:PSt150/7*7/x
Material Properties
Material:PZT(PZT5H)
Rel. dielectric constant εref: 5400
Loss factor: 200*10-4
Coupling factor: KP=0.62, K31=0.34, K33=0.68
Piezo coefficient:d31=-290pm/V, d33=+635pm/V
Elast.compliance: S33E =18.1*10-12m²/N, S11E =14.8*10-12m²/N
Frequency constant: Radial=2040m/sec, Thickness=1800m/sec,
Transverse=1410m/sec,
Longitudinal=1370m/sec
Quality factor(resonance):70
Density: 8g/cm³
Curie temperature: 150°C
Specific heat: 380Ws/°K kg
Thermal conductivity: ca.1.5 Ws/m·K(axial direction)
Above-mentioned parameters can vary significantly with the
operating electrical field strength.
Temperature
Operating temperature: -50~+100°C(according to resin). If >100°C, PZT performance will be reduced reversibly Above Curie temperature, piezo actuators will be permanently depolarized.
Technical data
Eg:PSt150/7*7/7
Max./Stroke[μm]±15%:13/9
El. capacitance [μF]±20%:1.4
Stiffness [N/μm]±20%:240
Resonant frequency [kHz]±20%:100
Blocking Force [N]:3500
Mass [g]±5%:3.8
Applications
Fiber stretching
Active vibration control
Piezo dispensing valve
Precision positioning
Piezo deformable mirror
Piezo gripper
Laser cavity tuning
