Piezo Linear Ceramic Actuator For Precision Positioning

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)
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
Eg:PSt150/3.5*3.5/20
Max./Stroke[I m]A 15%:28/20
El. capacitance [I F]A 20%:0.8
Stiffness [N/I m]A 20%:25
Resonant frequency [kHz]A 20%:50
Blocking Force [N]:800
Mass [g]A 5%:2.1

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