piezoelectric actuator,stack piezo,precision positioning PSt150/3.5*3.5/x Technical data Eg:PSt150/3.5*3.5/20 Max./Stroke[�¼m]�±15%:28/20 El. capacitance [�¼F]�±20%:0.8 Stiffness [N/�¼m]�±20%:25 Resonant frequency [kHz]�±20%:50 Blocking Force [N]:800 Mass [g]±5%:2.1 Applications Fiber stretching Active vibration control Piezo dispensing valve Precision positioning Piezo deformable mirror Piezo gripper Laser cavity tuning