Piezoelectric Disc 25x8.5mm S 235 KHz

Part Number: SMD25T85F234S

Piezoelectric Ceramic disc. Silver electrodes being one on each side (S configuration).  Thickness mode vibration application

Piezo Material: SM111
Dimensions: 25mm diameter x 8.5mm thickness
Resonant frequency fr: 235 KHz±2%     
Electromechanical coupling coefficient K₃₃:≥58%
Resonant impedance Zm: ≤45 Ω
Static capacitance Cs: 645pF±14%@1kHz
Test Condition: 23±3 °C 40~70% R.H.
fr, Zm, Kp => Thickness mode vibration application
Cs => LCR meter at 1KHz 1Vrms

Applications: Fish Finder transducer, Piezo transducer vibration, matter dispersion, Sonar Transducer Ultrasonic Sensor, Wall thickness sensor, Material stress sensor, Pressure sensor, Vibration generation, Piezo Energy Electricity harvesting, Piezo Electricity harvesting, Fish finder transducer, compression sensor, Piezo expansion sensor, biomedical probe and others.