lead free piezoelectric ring Φ50.8×Φ30.48×200khz
Barium titanate lead-free piezoelectric ceramics are important piezoelectric materials for the development of modern science and technology, which was widely used in the manufacture of ultrasonic transducers, underwater acoustic transducers, electroacoustic transducers, ceramic filters, ceramic transformers, ceramic frequency discriminators, high voltage generators, infrared detectors, surface acoustic wave devices, electro-optic devices, ignition and detonation devices, and piezoelectric gyroscope and so on.
Lead free Piezo ceramic ring
Yuhai company developped Piezo ceramic material BaTiO3. Its high stiffness and low dissipation factor under high electric field make it special for sonar etc. .
Application: military, ocean, fishery, scientific research, mine detection, daily life and other fields.
Application: ultrasonic transducer
Piezoelectric Ceramic Material: BaTiO3 (lead free)
Piezoelectric elements technical data:
Dimensions: OD 50.8mm, ID30.48mm, height 13-16mm(according to the frequency 200KHz)
Thickness Frequency Fr: 200KHz ± 4 KHz
Frequency Bandwidth ΔF>12 KHz
Resonate Impedance R ≤ 20 Ω
K31 > 0.3
Dielectric Loss tg δ: <0.6%
Static capacitance Cs: 1400pF±12.5%
Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms