78Khz Piezoelectric Ceramic Plate is 21×21×0.55m，ideal for electricity generation and pressure sensor. Silver electrodes being one on each side (S configuration).
Lengthwise mode by impedance analyzer
- model：HCPP5P2121T0055
- Piezo Material: PZT-5J
- Dimensions: 21x21x0.55mm
- Resonant frequency fr: 78 KHz±2 KHz
- Electromechanical coupling coefficient K31:≥60%
- Resonant impedance Zm: ≤6 Ω
- Static capacitance Cs: 15nF±15%@1kHz
- Test Condition: 23±3 °C 40~70% R.H.
- fr, Zm, Kp => Lengthwise mode by impedance analyzer
- Cs => LCR meter at 1KHz 1Vrms
78Khz Piezoelectric Ceramic Plate Applications: Harvesting piezo electricity, low frequency vibrator or actuator, pressure sensor and others.