663Khz Piezoelectric ceramic disc ，with dimensions of 3 × 0.5 mm.
- Material: P52
- Resonant Frequency (Ft) ：663 ± 3%Khz
- Free Capacity (Ct) ：245 ± 15% pF
- Relative Permittivity (εr3) ：2500 ± 15%
- Electromechanical Coupling Coefficient (Kp)： ≥ 0.68
- Dielectric Loss (tgδ) ：≤ 2%
- Piezoelectric Constant d33 | 10-12 m/V or C/N ： ≥ 500
- Mechanical Quality Factor ： 50 ± 15%Qm
- Insulation Resistance ：≥ 100MΩ
- Silver Layer Adhesion ： ≥ 500g
- Density： 7.65g/cm³
- Curie Temperature（°C）： 285
- Operating Temperature （°C） ：–20 to +80
663Khz piezoelectric ceramic disc Suitable for applications such as milk analyzers and ultrasonic sensors.Support customization of other styles.