Part Number: SMR1812T12412Piezoelectric Ceramic Ring with Silver electrodes on both sides. Piezo Material: SM412Dimensions: OD 18 x ID 12 x Th 1.2mmResonant frequency fr: 1.8MHz±5%Electromechanical coupling coefficient Keff: ≥40% Resonant Mode: Thickness mode vibration applicationResonant impedance Zm: ≤75 ΩStatic capacitance Cs: 2000pF±15%@1kHzTest Condition: 23±3 °C 40~70% R.H.fr, Zm, Kp => Thickness mode vibration applicationCs => LCR meter at 1KHz 1VrmsApplications: Bolt-clamped ultrasonic transducer, Ultrasonic Sensor, Vibration Sensor, Pressure sensor, Vibration generation, Biodiesel mixing transducer, Piezo expansion sensor, compression sensor, Piezo Welding, Tonpilz Transducer, Piezo ring atomizer and others.
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