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)

1. 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

1. 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

1. [μm]±15%:13/9
2. [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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