6.8MHz Piezoelectric Ring 28x9x0.3mm

6.8MHz Piezoelectric Ceramic Ring

6.8MHz Piezoelectric Ceramic Ring is 28×9×0.3mm, with Silver electrodes on both sides.

Model

HCPP4R289T003

Material

Piezo Material: PZT-4

Dimensions

OD 28 x ID 9 x Th 0.3mm

Specifications

Resonant frequency fr: 6.8MHz±5%

Electromechanical coupling coefficient Keff: ≥45%

Resonant Mode: Thickness mode vibration application

Resonant impedance Zm: ≤1.5 Ω

Static capacitance Cs: 22000pF±15%@1kHz

Test Condition

23±3 °C 40~70% R.H.

fr, Zm, Kp => Thickness mode vibration application

Cs => LCR meter at 1KHz 1Vrms

Applications

Bolt-clamped ultrasonic transducer, Ultrasonic Sensor, Vibration Sensor, Pressure sensor, Vibration generation.