https://www.ctscorp.com/resource-center/tutorials/

NAC2125-H08-A01

http://www.noliac.com/products/actuators/ring-stacks/show/nac2125-hxx/

Attributes Value Tolerance

Length / outer diameter 20 mm +0.80/-0.60 mm

Width / inner diameter 12 mm +0.40/-0.60 mm

Max width / outer diameter max 21.8 mm

Height 8 mm +/-0.2 mm

Operating voltage, max. 200 V

Free stroke, max. 12.6 µm Measured by company for specific item

Blocking force, max. 8450 N +/-20%

Capacitance 2400 uF +/- 15%, measured 2462.1 uF

Stiffness 2561-26 N/µm +/-20%

Maximum operating temperature 150 °C

Material NCE51F

Unloaded resonance frequency >248k - 6 k Hz