Part Number: SMC26D22H13111Piezoelectric Ceramic Cylinder. Hoop mode vibration application. This transducer is mostly used for Underwater communication to send receive data and voice.Piezo Material: SM111Dimensions: Ext. Diam. 26 x Int Diam 22 x Height 13mmResonant frequency fr: 42 KHz±1.0 KHzElectromechanical coupling coefficient Keff: 36 %Dielectric Loss tg δ: 0.42%Resonant impedance Zm: ≤4.6ΩStatic capacitance Cs: 6600pF±20%@1kHzTest Condition: 23±3 °C 40~70% R.H.fr, Zm, Kr => Hoop mode vibration applicationCs tanδ => LCR meter at 1KHz 1VrmsPapers written about this product with our old part number format: 1- SMC26D22H131112- SMC26D22H131113- SMC26D22H13111Applications, 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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