Our Standard Piezo Actuator Stacks General Specifications

Item 

Specified Data

Conditions 

Operating temperature        ー25 to +85°C

When applied with a DC voltage: Ambient temperature

When driven by an AC voltage: Ambient temperature + temperature rise due to generated heat 

Maximum  voltage 

150 VDC 

Note: self-generated heat in case of dynamic operation

see part

0 - 150 VDC unipolar

Displacement 

see part

 -30 - 150 VDC semi-bipolar

The force required for restricting the

displacement to 0 when the maximum driving voltage is applied. 

Capacitance 

see part

f = 1kHz,V=1Vrms(<10 μ F)

f = 120Hz,V=1Vrms(>10 μ F) 

Capacitance tolerance 

+/ー20 % 

Value obtained in 1 minute at 150 VDC 

Dissipation factor 

5% or less 

Insulation resistance 

see part

Resonance frequency

see part

Typical value of the element under our test conditions 

Tensile strength 

1/10 of Fblock

Young's modulus 

4.4 × 10¹⁰ N/m2 

Temperature cycle test 

Room temperature (3 min) +85°C (30 min)

Repetition of 10 cycles of the above 

0.3

Poission ratio

Displacement: 

Initial value ±20%

Capacitance:

Initial value ±30% 

Appearance:

No noticeable defect