Piezoelectric ceramic disc Quick shipments High performance wrapped arround electrode available Application: ultrasonic distance measurement Material: PSnN-5 (soft PZT, dielectric constant 1600, higher curie temperature 350℃) Technical data: Dimensions: diameter 7.8mm, thickness 0.5mm Thickness Frequency(Ft) 255KHz ± 3KHz Statics Capacity (pF) >1100pF ± 12.5% Dielectric loss(tgδ)(1v,KHz) ≤2% Electromechanical coupling coefficient Kp: ≥ 0.62 Test Condition: 25±3 °C 40~70% R.H. fr, Zm, Kr => Radial mode vibration Cs tanδ => LCR meter at 1KHz 1Vrms Material: PSnN-5 (higher curie temperature 350℃) China Patent No. ZL 2013 1 0300467.3 of Piezoelectric Material…