Piezoelectric Stack Actuator Pzt Blocking Force To 25000n

Type:PSt150/25*25/15
Material Properties
Material:PZT(PZT5H)
Rel. dielectric constant Iuref: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*10-12mA /N, S11E =14.8*10-12mA /N
Frequency constant: Radial=2040m/sec, Thickness=1800m/sec,
Transverse=1410m/sec,
Longitudinal=1370m/sec
Quality factor(resonance):70
Density:8g/cmA
Curie temperature:150A C
Specific heat: 380Ws/A K kg
Thermal conductivity: ca.1.5 Ws/mA.K(axial direction)
The above-mentioned parameters can vary significantly with the operating electrical field strength.

Temperature
Operating temperature: -50~+100A C(according to resin). If >100A C, PZT performance will be reduced reversibly Above Curie temperature, piezo actuators will be permanently depolarized.

Technical dataA
Max./Stroke[I m]A 15%:19/15
El. capacitance [I F]A 20%:30.5
Stiffness [N/I m]A 20%:1282
Resonant frequency [kHz]A 20%:50
Blocking Force [N]:20000
Mass [g]A 5%:109.55

Applications
Fiber stretching
Active vibration control
Piezo dispensing valve
Precision positioning
Piezo deformable mirror
Piezo gripper
Laser cavity tuning