Product Description Piezoelectric ceramic elements are widely used in various fields electroacoustics, ultrasonics, communications, test and measurements, automatic control, medical ultrasound, ignition, etc. Types, specifications and characteristics of partial piezoceramic elements produced by our company are listed in the following table for broad customers to choose. Special products can be developed and fabricated according to client's requirementsSpecification:P-51 2.5*2*0.4Features:fs=645kHz±5% K31=0.15±6% C=232pF±12.5%P51 is equal to Navy Type VCharacters large displacementshigh sensitivityTypical Applications flow metershydrophonespressure sensorspressure sensorsaccelerometersimpact-type gas ignitorsprecise movement controlmicrophonesmusical pick-upsdiagnostic medical ultrasoundactuatorslevel sensorsmore ...1. disc piezoDimensionThickness FrequencyCapacitancePiezoelectric voltage coefficient d33ElectromechanicalCourier temperature(mm)(MHz)(pf)(pC/N)coupling coefficient(ºC)KpKtΦ8 × 12.0MHz±5%850±10%520×0.640.44260Φ8 × 21.0 MHz±5%430±10%520×0.640.44260Φ10 × 12.0 MHz±5%1350±10%520×0.640.44260Φ10 × 21.0 MHz±5%680±10%520×0.650.45260Φ15 ×12.0 MHz±5%3200±10%520×0.650.45260Φ15 × 21.0 MHz±5%1600±10%520×0.650.45260Φ16×12.0 MHz±5%3600±10%520×0.650.45260Φ16 × 21.0 MHz±5%1850±10%520×0.650.45260Φ20×12.0 MHz±5%5800±10%520×0.650.45260Φ20×21.0 MHz±5%2900±10%520×0.650.43260Φ25 × 12.0 MHz±5%7500±10%520×0.650.43260Φ25 × 21.0 MHz±5%3700±10%520×0.650.432602. Cylinder piezoDimensionThickness FrequencyRadial FrequencyCapaciatanceImpedanceK33(%)Kp(%)(mm)(MHz)fs(KHz)C (pf)Zt (Ω)Φ 27.4×8.9215±2%1230±12.5%≤45≥59Φ 45×9.6200±2%50±13076±12.5%≤45≥59≥60
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