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Zibo Yuhai Electronic Ceramic Co., Ltd.
Address : No.57 Chuangye Road, Development Area Boshan, Zibo City, Shandong Prov. P.R. of China
Tel : +86-0533-4230012
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Piezoelectric Hemisphere for Hydrophone Φ25.4×2.12mm
Piezoelectric ceramic hemisphere
Electrode direction: Radial direction
Applications: Hydrophone, underwater acoustics transducer, acoustic pickups
Material: PSnN-5( Soft PZT, low dielectric constant 1600, high Curie T. 350℃)
Technical data:
Dimensions: diameter 25.4mm, wall thickness 1.4mm, hole 3.3mm
- Radial Frequency Fr: 77KHz ± 3KHz
- Frequecy Bandwidth ΔF > 8500
- Resonant impedance Zm < 20 Ω
- Dielectric Loss tg δ: 2%
- Status capacitance Cs: 9000pF± 20%
Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms
Piezo material PSnN-5 is "SOFT" PZT, widely used in the piezo elements for ultrasonic flowmeter, liquid level measurement and distance measurement with high sensitive and high curie temperature.
| "Soft" PZT materials | |||
| Properties | PSnN-5 | ||
| Dielectric Constant | ɛTr3 | 1600 | |
| Coupling factor | KP | 0.6 | |
| K31 | 0.35 | ||
| K33 | 0.68 | ||
| Kt | 0.5 | ||
| Piezoelectric coefficient | d31 | 10-12m/v | -170 |
| d33 | 10-12m/v | 400 | |
| g31 | 10-3vm/n | -12 | |
| g33 | 10-3vm/n | 28 | |
| Frequency coefficients | Np | 2000 | |
| N1 | 1466 | ||
| N3 | 1825 | ||
| Nt | 2100 | ||
| Elastic compliance coefficient | Se11 | 10-12m2/n | 16.6 |
| Machanical quality factor | Qm | 85 | |
| Dielectric loss factor | Tg δ | % | 2 |
| Density | ρ | g/cm3 | 7.5 |
| Curie Temperature | Tc | °C | 350 |
| Young's modulus | YE11 | <109N/m3 | 60 |
| Poison Ratio | 0.36 |
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Phone Number: +8618753397607
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