The low pressure circular piezoelectric ceramic actuator is driven by the low pressure circular piezoelectric ceramic stack. The center has a through hole, 9mm and 14mm two kinds of transparent aperture can be selected. The bottom is fixed by thread, the top is external thread, the standard product is equipped with lens fixing cap, can be used in optical positioning system.
The characteristics of
● Maximum displacement 47μm
● High precision of closed loop positioning
● Maximum output 5300N
● Maximum optical aperture: 14mm
 
 


model
Nominal travel [μm]± 10%
Stiffness
[N/μm] ±20%
Push/pull
[N]
Electrostatic capacity
[μF] ±20%
Resonant frequency
[kHz]
Length L
[mm] ±0.3
WNPSt150/14-10/12 VS22
11
250
3000/250
2.6
30
31
WNPSt150/14-10/25 VS22
23
120
3000/250
5.2
20
44
WNPSt150/14-10/40 VS22
38
70
3000/250
7.8
14
58
WNPSt150/14-10/55 VS22
47
50
3000/250
11
9
71
WNPSt150/20-15/12 VS35
11
450
5300/450
5
30
31
WNPSt150/20-15/25 VS35
23
230
5300/450
10
20
44
WNPSt150/20-15/40 VS35
38
150
5300/450
15
17
58
WNPSt150/20-15/55 VS35
47
100
5300/450
20
15
71