High frequency PZT Piezoelectric actuator stack used in vacuum low temperature
PZT Piezoclectric actuator stack,piezo sensors,vacuum low temperature
Type:PSt150/2*3/x
Material Properties
Material:PZT(PZT5H)
- 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
- 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:PSt150/2*3/10
- [μm]±15%:13/9
- [μF]±20%:0.18
Stiffness [N/μm]±20%:22
Resonant frequency [kHz]±20%:100
Blocking Force [N]:300
Mass [g]±5%:0.7
Applications
Fiber stretching
Active vibration control
Piezo dispensing valve
Precision positioning
Piezo deformable mirror
Piezo gripper
Laser cavity tuning
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