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Brief description of Ring Multilayer Piezo Actuators:
1> 15 years experience of manufacture
2> CE, RoHS, SGS ISO9001:2008, ISO14001:2015
3> Custom designs are available
Compact size
Accurate positioning in nm
High-speed response in ms
Large blocking force
High energy conversion efficiency, low power consumption and no electromagnetic noise
Easy to be controlled by voltage
Scope of applications
R&D and industry
Precision mechanics and mechanical engineering
Life sciences, Medicine and Biology
Nano positioning, Fiber positioning, High-speed switching, Tunable lasers
Part numbering
Dimensions
Specification
Model | Dimensions | Nominal displacement | Blocking force | Stiffness | Electrical capacitance | Resonance Frequency |
OD/ID/H | [µm@200V] | [N@200V] | [N/µm] | [µF] | [kHz] | |
[mm] | ±10% | | | ±20% | ±20% | |
PTH2001304201 | Φ13/Φ4/20 | 20 | 3600 | 180 | 4.6 | 74 |
PTH2002015051 | Φ20/Φ15/6 | 5 | 4000 | 800 | 1.3 | 250 |
PTH2002619201 | Φ26/Φ19/18 | 20 | 7200 | 360 | 7.7 | 80 |
PTH2001304401 | Φ13/Φ4/40 | 40 | 3600 | 90 | 9.2 | 37 |
PTH2002619351 | Φ26/Φ19/35 | 35 | 7200 | 205 | 15.3 | 43 |
* Customize on request.
Key Technical Index | Unit | Value |
Relative dielectric constant εr3T | - | 3500±20% |
Electromechanical coupling factor Kp | - | 70% |
Longitudinal piezoelectric strain coefficient d33 | 10-12C/N | ≥650 |
Piezoelectric voltage constant g33 | 10-3Vm/N | 17 |
Elastic flexible coefficient S11E | 10-12m2/N | 14.3 |
Elastic flexible coefficient S33E | 10-12m2/N | 18.5 |
Dielectric loss tgδ | 10-3 | ≤1.5 |
M quality factor Qm | - | 45 |
Curie temperature TC | ℃ | 240 |
Density ρ | g/cm3 | 7.9 |