Part Number: SMC22D20H6412Piezoelectric Ceramic Cylinder. Circunferencial vibration mode.Piezo Material: SM412Dimensions: Ext. Diam. 22 x Int Diam 20 x Height 6mmResonant frequency fr: 44 KHz±2 KHzElectromechanical coupling coefficient K31: 35.5Dielectric Loss tg δ: =1.55%Resonant impedance Zm: ≤35ΩStatic capacitance Cs: 6100pF±20%@1kHzTest Condition: 23±3 °C 40~70% R.H.fr, Zm, Kr => Thin Circunferencial vibration modeCs 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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