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-33 OD100/ID86*60Features:fs=11.6kHz±5% K31=0.31±6% C=22nF±12.5%Applicationsultrasonic flow meterFetal Doppler monitorhydrophonespressure sensorsaccelerometersimpact-type gas ignitorsprecise movement controlmicrophonesmusical pick-upsdiagnostic medical ultrasoundactuatorslevel sensorsmoreDimensionThickness frequencyCapacitanceElectromechanicalPiezoelectric voltage coefficient d33Courier temperature(mm)(MHz)(pf)coupling coefficient(pC/N)(ºC)KpKtΦ8×12.0MHz±5%530±12.5%0.650.43400350Φ8×21.0 MHz±5%265±12.5%0.650.43400350Φ10×12.0 MHz±5%840±12.5%0.650.44400350Φ10×21.0 MHz±5%420±12.5%0.650.44400350Φ15×12.0 MHz±5%1970±12.5%0.650.43400350Φ15×21.0 MHz±5%980±12.5%0.650.43400350Φ16×12.0 MHz±5%2200±12.5%0.650.45400350Φ16×21.0 MHz±5%1100±12.5%0.650.45400350Φ20×12.0 MHz±5%3560±12.5%0.650.43400350Φ20×21.0 MHz±5%1780±12.5%0.650.43400350Φ25×12.0 MHz±5%4600±12.5%0.650.43400350Φ25×21.0 MHz±5%2300±12.5%0.650.43400350Φ40×21.0 MHz±5%7200±12.5%0.650.45400350