Catalogue Piezo Ceramic Actuators & Custom Subassemblies (PI Ceramic)
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Piezotechnology
PICMA® piezo actuators (bottom curve) compared with conventional multilayer actuators with polymer insulation (top curve). PICMA® actuators are not affected by the high-humidity test conditions. Conventional piezo actuators exhibit increased leakage current after only a few hours. Leakage current is an indication of insulation quality and expected lifetime.
Test conditions: U = 100 Vdc; T = 25 °C; Relative Humidity = 70%
The displacement of PICMA® actuators exhibits very low tempera­ture dependence. This, in combination with their low heat genera­tion, makes PICMA® actuators optimal for dynamic operation. (Operating frequency f = 200 Hz)
Recommended preload for dynamic operation 15 to 30 MPa
* For optional PTFE insulated wires, pigtail length 100 mm, change order number exten­sion to .x1 (e.g. P-882.11).
Unloaded (longitudinal) resonant frequency measured at 1 Vpp; capacitance at 1 Vpp,
1 kHz.
Standard PZT ceramic type:
PIC 252 (modified PIC 255)
Max. operating voltage: -20 to +120 V
Max. operating temperature: -40 to +150 °C
Standard Mechanical Interface: ceramic (top & bottom) Standard Electrical Interface: solderable pads
Available Options: strain gauge sensors, special mechanical interfaces, etc.
Other specifications on request. Specifications subject to change without notice.
Technical Data / Product Order Numbers
Order number*
Dimensions A x B x L
[mm]
Nominal displacement [um @ 100 V]
Max.
displacement [um @ 120 V]
Blocking force
[N @ 120 V]
Stiffness
[N/um]
Electrical capacitance [uF] ±20%
Resonant frequency [kHz] ±20%
P-882.10
2 x 3 x 9
6.5 ±20%
8 ±20%
190
24
0.13
135
P-882.30
2 x 3 x 13.5
11 ±20%
13 ±20%
210
16
0.22
90
P-882.50
2 x 3 x 18
15 ±10%
18 ±10%
210
12
0.31
70
P-883.10
3 x 3 x 9
6.5 ±20%
8 ±20%
290
36
0.21
135
P-883.30
3 x 3 x 13.5
11 ±20%
13 ±20%
310
24
0.35
90
P-883.50
3 x 3 x 18
15 ±10%
18 ±10%
310
18
0.48
70
P-885.10
5 x 5 x 9
6.5 ±20%
8 ±20%
800
100
0.6
135
P-885.30
5 x 5 x 13.5
11 ±20%
13 ±20%
870
67
1.1
90
P-885.50
5 x 5 x 18
15 ±10%
18 ±10%
900
50
1.5
70
P-885.90
5 x 5 x 36
32 ±10%
38 ±10%
950
25
3.1
40
P-887.30
7 x 7 x 13.5
11 ±20%
13 ±20%
1700
130
2.2
90
P-887.50
7 x 7 x 18
15 ±10%
18 ±10%
1750
100
3.1
70
P-887.90
7 x 7 x 36
32 ±10%
38 ±10%
1850
50
6.4
40
P-888.30
10 x 10 x 13.5
11 ±20%
13 ±20%
3500
267
4.3
90
P-888.50
10 x 10 x 18
15 ±10%
18 ±10%
3600
200
6.0
70
P-888.90
10 x 10 x 36
32 ±10%
38 ±10%
3800
100
13.0
40
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