1.7MHz Piezoelectric Ring 13.5x7x1.2mm for Ultrasonic Sensors

1.7Mhz Piezoelectric Ceramic Ring
1.7Mhz Piezoelectric Ceramic Ring with Silver electrodes on both sides and wire leads already soldered.
Part Information
Part Number: HCPP5R13057T102
Piezo Material: PZT5
Dimensions: OD 13.5 x ID 7 x Th 1.2mm
Specifications
Resonant frequency fr: 1.7MHz±5%
Electromechanical coupling coefficient Keff: ≥40%
Resonant Mode: Thickness mode vibration application
Resonant impedance Zm: ≤75 Ω
Static capacitance Cs: 2000pF±15%@1kHz
Test Condition
Test Condition: 25±3 °C 40~70% R.H.
Notes
fr, Zm, Kp => Thickness mode vibration application
Cs => LCR meter at 1KHz 1Vrms