Zibo Yuhai Electronic Ceramic Co., Ltd.

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Ultrasonic Rings for Vibration Transducers

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Model No.OD20*ID10*4mm PZT-82

Piezoelectric ceramic rings   

High power ultrasonic rings 

low dielectric loss

Surface and edge machining on request 


Electrode direction: Thickness vibration



Yuhai company developped ultrasonic ring elements and custom ring sizes, this range is fabricated from more than 10 available piezoelectric material formulations according to high sensitive, temperatures etc applications. 


Applications includes: 



Features : 


  • Sizes from 3mm up to 160mm
  • Thickness from 0.2mm up to 25mm
  • Choice of metallisation (Silver, Nickel, Gold and others on request)
  • Wide choice of PZT formulations




Application: high power ultrasonic transducer in series or parallels

Material:   PZT-82 (hard PZT, equal to P-8)




Technical data:

Dimensions:  outer diameter 20mm, inner diameter 10 thickness 4mm 



 Frequency(Fr)   75KHz ± 5%
Statics Capacity (pF)  480pF ± 12.5%
Dielectric loss(tgδ)(1v,KHz) ≤0.3%
Electromechanical coupling coefficient K31: 
≥0.32

Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms


Piezo Ceramic material

piezo ceramic elements

Product Categories : Piezoelectric Rings For Ultrasonic Machining

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Home > Products > Piezoelectric Rings For Ultrasonic Machining > Ultrasonic Rings for Vibration Transducers

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Sun Zhaohai

Mr. Sun Zhaohai

Tel:0086-533-4230012

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Mobile Phone:+8618753397607

Email:josa@zbyuhai.com

Address:No.57 Chuangye Road, Boshan Economic Development Area, Zibo, Shandong

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