Piezoelectric Ceramic,Piezo ceramic vibrator made of material PZT-81 are used widely in ultrasonic cleaner, ultrasonic welding, ultrasonic distance measure sensor, ultrasonic detector, ultrasonic motor, ultrasonic transformer and other high-power emanant transducers because of the material’s ability of low dielectric loss under strong voltage and capability stabilization.

Piezo ceramic (PZT) chip for home ultrasonic cleaner.

spec	Dimension (mm)	Radial frequency (KHz)	Capacitance (±12.5%)pF	Dielectric dissipation factor tanδ(%)	Impedance (Ω)	Kr	Mechanical quality factor? (Qm)
UCE-3030	Φ30×3.0	66.7	2730	≤0.3	≤15	≥0.55	500
UCE-3530	Φ35×3.0	63.0	3100	≤0.3	≤15	≥0.55	500
UCE-3865	Φ38×6.5	59.9	1580	≤0.3	≤15	≥0.55	500
UCE-4530	Φ45×3.0	50.0	5100	≤0.3	≤15	≥0.55	500
UCE-4535	Φ45×3.5	50.0	4700	≤0.3	≤15	≥0.55	500
UCE-5030	Φ50×3.0	46.0	5800	≤0.3	≤15	≥0.55	500
UCE-5035	Φ50×3.5	46.0	6300	≤0.3	≤15	≥0.55	500
UCE-5050	Φ50×5.0	46.0	4150	≤0.3	≤15	≥0.55	500