Part Number: SMSH20C17F30Hemisphere Focusing Piezoelectric Ceramic Transducer with center hole. Thickness mode vibration applicationPiezo Material: SM118Dimensions: 20 Diameter x 17.32 Curvature (Radius)Resonant frequency fr: 3.0MHz±5%Mechanical Factor: ≤0.5%Resonant impedance Zr: ≤25 ΩStatic capacitance Cs: 7000pF±10%@1kHzPiezoelectric strain constant: d33≥300×10-12 m/VBandwidth (∆f=fp-fr): ∆f ≥100KHzInsulation Resistance (Rv): ≥100MΩ（2000V DC）Maximum Input Power: 20WMaximum Input Voltage: 200 Vp-pTest Condition: 23±3 °C 40~70% R.H.fr, Zm, Kp => Thickness mode vibration applicationCs => LCR meter at 1KHz 1VrmsApplications: Mist Generation, Untrasonic beam concentrator and others.
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