Piezo Ceramic Disc 19x0.3mm S 6.9 MHz

Part Number: SMD19T03112S

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

Piezo Material: SM112
Dimensions: 19mm diameter x 0.3mm thickness
Resonant frequency fr: 6.9 MHz±50 KHz     
Electromechanical coupling coefficient Kp:
Resonant impedance Zm: ≤1 Ω
Static capacitance Cs: 12000pF ± 15%
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.
Notes: Working Voltage: Negative DC or AC 50V