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Piezoelectric Ceramic Sphere OD90
Basic Info

Model No.: OD90 PZT-41

Product Description

Piezoelectric ceramic Hemisphere

Electrode direction: electrode plated on the surface inner and outside, radial vibration.

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

Applications includes:

underwater acoustics pickups, hydrophones.

Features :

  • Sizes from 6mm up to 160mm
  • Thickness from 1mm up to 10mm
  • Choice of metallisation (Silver, Nickel, Gold and Others on request)
  • Wide choice of PZT formulations

Piezoelectric Ceramic Material: PZT-41

Piezoelectric elements technical data:
Dimensions: Diameter 90mm, thickness 2.7mm
Radial frequency Fr: 20KHz ± 2KHz
Resonant Impedance R: ≤ 5 Ω
Dielectric Loss tg δ: ≤ 0.3%
Static capacitance Cs: 85000pF ± 12.5%

Test Condition: 25±3 °C 40~70% R.H.

fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms


A transducer that converts sound signals into electrical signals is used to receive sound signals in water. It is called a receiving transducer, also known as a hydrophone. Hydrophone is widely used in underwater communication, continental exploration, target location, tracking and so on. It is an important component of sonar. Underwater detection, identification, communication, marine environmental monitoring side and marine resources development are inseparable from underwater acoustic transducer.

The underwater acoustic transducer is a device that converts electrical signal into underwater acoustic signal or underwater acoustic signal into electrical signal. Its position in sonar is similar to that of antenna in radio equipment. It is an acoustic device that transmits and receives acoustic waves underwater. The transducer that converts electrical signals into underwater acoustic signals is used to radiate sound waves into water, which is called transmitting transducer. A transducer that converts sound signals into electrical signals is used to receive sound signals in water. It is called a receiving transducer, also known as a hydrophone.

Usually, the piezo components used in Hydrophones is piezo tube and spheres, made in soft PZT P-5 series and hard PZT P-4 series.

Zibo Yuhai Electronic Ceramic Co., Ltd.


Zibo Yuhai Electronic Ceramics Co., Ltd. (formerly Zibo Wireless Ceramics Factory), founded in 1966, is one of leading manufacturer of piezoelectric ceramic elements and is engaged in the research and development of piezoelectric ceramic elements.

  • One of the founders of research, development and production of Piezo components and sensors in China.
  • the member of China Standardization Committee on underwater piezoelectric ceramic materials and components, partifipated the piezoelectric ceramic elements standard setting.

a. In 1986, involved in the formulation of the CB1125~1128-86 ministerial standard for general technical conditions of piezoelectric ceramic materials for underwater acoustics.

b. In 1988, participated in the formulation of the "Measurement and Calculation Method of Performance Parameters of Underwater Acoustic Practical Piezoelectric Ceramic Components" CB1194-88 standard.

c. In 1993, participated the formulation of the CB1218-93 ministerial standard of commonly used piezoelectric ceramic components for underwater acoustics.

d. In 2004, Participated in the formulation of Dielectric Filters Part 1: General Specification SJIEC61337-1:2004, Dielectric Filters Part 2: Guidelines for UseSJIEC61337-2:2004 industry standard.

Company Info
  • Company Name: Zibo Yuhai Electronic Ceramic Co., Ltd.
  • Product/Service: Piezoelectric ceramic , piezo ceramic , piezo elements , PZT ceramic , piezoelectric material , Ultrasonic piezoelectric ceramic ultrasonic
  • Capital (Million US $): 15,000,000RMB
  • Year Established: 1966
  • Total Annual Sales Volume (Million US $): US$2.5 Million - US$5 Million
  • Export Percentage: 31% - 40%
  • Total Annual Purchase Volume (Million US $): Below US$1 Million
  • No. of Production Lines: 20
  • No. of R&D Staff: 11 -20 People
  • No. of QC Staff: 11 -20 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: No. 57 Chuangye Road, Boshan Economic Developement Area, Zibo City, Shandong, China.
  • Contact Person: Mr. Sun Zhaohai
  • Tel: 0086-533-4230012
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