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Piezoelectric Hemisphere for Hydrophone Φ25.4×2.12mm

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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 
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Piezoelectric Hemisphere for Hydrophone Φ25.4×2.12mm

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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
 

 

 

 

We could not find any corresponding parameters, please add them to the properties table

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