10 Technical Data
P-88x/P-08x Piezo Actuator
PZ259E
Version: 1.1.0
51
Piezo
actuator*
Maximum
operating voltage
range
Maximum operating frequency
without load
Maximum power
consumption
A:
B:
Without
considering
thermal aspects
Considering
thermal aspects
Considering
thermal aspects
P-887.3x
-20 V to 120 V
15 kHz
60 Hz
3.5 W
P-887.5x
-20 V to 120 V
11.7 kHz
55 Hz
4.5 W
P-887.9x
-20 V to 120 V
6.7 kHz
50 Hz
8.4 W
P-888.3x
-20 V to 120 V
15 kHz
40 Hz
4.5 W
P-888.5x
-20 V to 120 V
11.7 kHz
38 Hz
6.0 W
P-888.9x
-20 V to 120 V
6.7 kHz
35 Hz
11.9 W
P-080.31x -20 V to 100 V
26.7 kHz
110 Hz
1.8 W
P-080.34x -20 V to 100 V
14.2 kHz
105 Hz
3.4 W
P-080.39x -20 V to 100 V
6.7 kHz
100 Hz
7.7 W
P-088.72x -20 V to 100 V
11.4 kHz
30 Hz
8.3 W
P-088.74x -20 V to 100 V
5.9 kHz
25 Hz
16.2 W
P-088.78x -20 V to 100 V
2.9 kHz
25 Hz
34.6 W
* The letter x in the product number of the piezo actuator stands for the model:
1: Models with stranded wires (e.g., P-882.11)
0: Models without stranded wires (e.g., P-882.10)
10.1.3
Compressive/Tensile Stress Capacity and Preload
Piezo ceramic withstands a pressure of up to 250 MPa but starts to depolarize at significantly
lower compressive loads. Since stacked piezo actuators are also made of different materials
(piezo ceramic, metallic electrodes), the mechanical load capacity does not depend solely on
the strength of the ceramic material. Consideration must be given to additional parameters
such as slenderness ratio, bending, tilt and homogeneity of the force application.
The tensile stress capacity of piezo actuators is just 5 to 10 % of the compressive load capacity.
It is therefore recommended to mechanically preload the actuators. The preload should be
chosen only as high as necessary.