lead free piezoelectric column Φ36.83×200khz
Piezoelectric ceramic disc
Lead free Piezo ceramic disc
The Co-Al Co-doped Barium Titanate Lead-free Piezoelectric Ceramics was successfully developed by Yuhai company through repeated experiments. By Researching the influence of Co-Al Co-doping on the structure and properties of Barium Titanate-based piezoelectric ceramics, the formulation and preparation technology of Barium Titanate-based piezoelectric ceramics were optimized. Yuhai`s BaTiO3 was prepared by conventional solid-phase sintering method, with the piezoelectric constant d33 (>170pC/N), dielectric loss tgδ≤0.5% and mechanical coupling coefficient Kp≥0.34.
Application: ultrasonic transducer
Piezoelectric Ceramic Material: BaTiO3 (lead free)
Piezoelectric elements technical data:
Dimensions: diameter 36.83mm, thickness 13-16mm (according to the fequency 200KHz)
Thickness Frequency Fr: 200KHz ± 4 KHz
Frequency Bandwidth ΔF>8.5 KHz
Resonate Impedance R ≤ 10 Ω
Dielectric Loss tg δ: <0.7%
Static capacitance Cs: 950pF±12.5%
Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms