Part Number: SMC20D17H5Piezoelectric ceramic cylinder with inner and outer surface electrode for radial mode vibration.. Radial mode vibrationPiezo Material: SM111Dimensions: Ext. Diam. 20 x Int Diam 17 x Height 5.0mmResonant frequency fr: 57 KHz±2 KHzElectromechanical coupling coefficient Kr: ≥35% Dielectric Loss tg δ: =0.5%Resonant impedance Zm: ≤12 ΩStatic capacitance Cs: 2400pF±15%@1kHzTest Condition: 23±3 °C 40~70% R.H.fr, Zm, Kr => Radial mode vibrationCs tanδ => LCR meter at 1KHz 1VrmsApplications, among others, are: Piezo transducer for Underwater communication to send receive data and voice. It is also used for vibration, matter dispersion, biomedical probes, sonar, Hydrophone.
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