Piezo Ceramic Disc 9x0.5mm RR 4.25 MHz

Part Number: SMD09T5RR412

Piezo Electric Ceramic Disc Transducer. Both electrodes on one side (R configuration).
This particular disc has an electrode wrapped around the whole side of the disc and makes contact anywhere on the top side. Thickness mode vibration application

Piezo Material: SM412
Dimensions: 9 x 0.5mm
Resonant frequency fr: 4.25 MHz ± 4%     
Electromechanical coupling coefficient Kp:
Resonant impedance Zm: ≤1.4 Ω
Static capacitance Cs: 1400pF±20%
Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kp => Thickness mode vibration application
Cs => LCR meter at 1KHz 1Vrms

Applications: Piezo transducer for vibration, transducer for matter dispersion, sonar transducer Ultrasonic sensor, vibration sensor, wall thickness sensor, material stress sensor, pressure sensor, energy electricity harvesting, compression sensor, piezo expansion sensor and others.