Part Number: SMC20D17H5
Piezoelectric ceramic cylinder with inner and outer surface electrode for radial mode vibration.. Radial mode vibration
Piezo Material: SM111
Dimensions: Ext. Diam. 20 x Int Diam 17 x Height 5.0mm
Resonant frequency fr: 57 KHz±2 KHz
Electromechanical coupling coefficient Kr: ≥35%
Dielectric Loss tg δ: =0.5%
Resonant impedance Zm: ≤12 Ω
Static capacitance Cs: 2400pF±15%@1kHz
Test Condition: 23±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms
Applications, 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.