Part Number: SMR837T1411
Piezoelectric Ceramic Ring with Silver electrodes on both sides. Radial resonant mode.
Piezo Material: SM410
Dimensions: OD 8 x ID 3 x Th 1mm
Resonant frequency fr: 188 KHz±2%
Electromechanical coupling coefficient K31: ≥25%
Resonant Resistance Zm: ≤10 Ω
Static capacitance Cs: 850 pF±5% @1kHz
Dieletric Loss tgδ: <2%
Test Condition: 23±3 °C 40~70% R.H.
fr, Zm, Kp => Radial mode by impedance analyzer.
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.