Piezo Ceramic Disc 15x0.9mm S 2.2 MHz

Part Number: SMD15T09S411

Piezoelectric Ceramic disc. Silver electrodes being one on each side (S configuration).  Radial (R) and Thickness (T) mode vibration

Piezo Material: SM411
Dimensions: 15mm diam. x 0.9mm thic.
Resonant frequency fr: (T) 2.2 MHz±50 KHz (R)135 KHz±5 KHz     
Electromechanical coupling coefficient Kp:(R) ≥75%
Resonant impedance Zm: (T) ≤1.55 Ω (R) ≤11 Ω
Static capacitance Cs: 3481pF±15%@1kHz
Test Condition: 23±3 °C 40~70% R.H.
fr, Zm, Kp => Radial (R) and Thickness (T) mode vibration
Cs => LCR meter at 1KHz 1Vrms

Applications: Balancing Wheel Equipment, Piezo transducer for vibration, Ultrasonic Sensor, wall thickness sensor, material stress sensor, pressure sensor,piezo electricity harvesting, compression sensor, piezo expansion sensor, biomedical probe and others. and others.
Notes: Working Voltage: Negative DC or AC 125V