Piezoelectric Ring 3 MHz

Part Number: SMR1585T07111R

Piezoelectric Ceramic Ring with Silver electrodes on the same side. The reversed electrodes position, make easier for assemly as both electrodes can be soldered from the same side.

Piezo Material: SM111
Dimensions: OD 15 x ID 8.5 x Th 0.7mm
Resonant frequency fr: 2.95MHz ± 3‰
Electromechanical coupling coefficient Kt: ≥49%     
Resonant Mode: Thickness mode vibration
Resonant impedance Zm: ≤0.65 Ω
Static capacitance Cs: 1840pF±15%@1KHz
Dielectric Loss t_g δ:  0.38%
Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kp => Thickness mode vibration
Cs => LCR meter at 1KHz 1Vrms

Applications: Bolt-clamped ultrasonic transducer, Ultrasonic Sensor, Vibration Sensor, Pressure sensor, Vibration generation, Biodiesel mixing transducer, Piezo expansion sensor, compression sensor, Piezo Welding, Tonpilz Transducer and others. and others.