Piezo Ceramic Cylinder 26x22x13mm 43 KHz

Part Number: SMC26D22H13111

Piezoelectric Ceramic Cylinder. Hoop mode vibration application. 
This transducer is mostly used for Underwater communication to send receive data and voice as well as Hydrophones.

Piezo Material: SM111
Dimensions: Ext. Diam. 26 x Int Diam 22 x Height 13mm
Resonant frequency fr: 42 KHz±1.0 KHz
Electromechanical coupling coefficient K_eff: 36 %
Dielectric Loss tg δ: 0.42%
Resonant impedance Zm: ≤4.6Ω
Static capacitance Cs: 6600pF±20%@1kHz
Test Condition: 23±3 °C 40~70% R.H.
fr, Zm, Kr => Hoop mode vibration application
Cs tanδ => LCR meter at 1KHz 1Vrms

Papers written about this product with our old part number format: 
1- SMC26D22H13111
2- SMC26D22H13111
3- SMC26D22H13111

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