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Pzt4 Piezoelectric Hemisphere Piezo Ceramics for Sonar Transducer

Dimension of piezo hemisphere:

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%

Quantity:
  • PS10000K076
  • Piezohannas
  • PS10000K076

                   Pzt4 Piezoelectric Hemisphere Piezo Ceramics for Sonar Transducer


WuHan Piezohannas Tech.Co .,Ltd is a manufactuer of piezoelectric ceramics ,ultrasonic transducers and some other ultrasonic deivce with strong technology force.With a quality management system and research & development sector,our products are extensively used in most applications.


F140203C102B86CED989CB94A74276D6 (1)

Dimension of piezo hemisphere:


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%



Underwater Acoustic Transducer Application:


A transducer that converts sound signals into electrical signals is used to receive sound signals in water. It is called areceiving 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 ahydrophone.Usually, the piezo components used in Hydrophones  is piezo tube and spheres, made in soft PZT P-5 series and hard PZTP-4 series.


Some Stanard Size of  Hemispherical Piezoelectric Ceramic:


Outer dimension :from 6mm up to 160mm

Wall Thickness: from 1mm up to 10mm

Choice of metallisation (Silver, Nickel, Gold and others on request)

Wide choice of PZT formulations


Electrode direction: electrode plated on the surface inner and outside 



 

 

Spherical spec

 

External dimensionmm

Technological parameters

diameter

open caliber

 

   Wall  thickness

fkHz

 

Kr

 

P-33

 

P-52

 

P-81

 

SΦ5

SΦ5

Φ1.5

0.5

320

0.4

1.8

3.5


SΦ10

SΦ10

Φ3

0.8

160

0.4

4.7

8.8


SΦ15

SΦ15

Φ4

1

113

0.4

9.2

17.3


SΦ20

SΦ20

Φ5

1~1.5

77

0.4

17

32.0


SΦ25

SΦ25

Φ5

1~1.5

61

0.4

17.4

32.8


SΦ30

SΦ30

Φ6

1.5~3

50

0.4

23.5

44.3


SΦ40

SΦ40

Φ7

2~4

38

0.4

34.3

64.6


SΦ50

SΦ50

Φ8

2~4

30

0.4

54.8

103.2


SR12.5

SR12.5

Φ3.5

2~5

83


6.2


3.7

SR25

SR25

Φ8

2~5



26.2


15.6

SR37.5

SR37.5

Φ10

2~5





17.7

SR50

SR50

 Φ12

3~6





25.5


 

Size(mm)

 Main Specifications

Diameter

Aperture Diameter

Wall Thickness

fr(MHz)

Kr

C(nf)






P-33

P-52

P-81

5

1.5

0.5

320

0.4

1.8

3.5


10

3

0.8

160

0.4

4.7

8.8


15

4

1

113

0.4

9.2

17.3


20

5

11.5

77

0.4

17.0

32.0


25

5

11.5

61

0.4

17.4

32.8


30

6

1.53

50

0.4

23.5

44.3


40

7

24

38

0.4

34.3

64.6


50

8

24

30

0.4

54.8

103.2


12.5

3.5

25

83


6.2


3.7

25

8

25



26.2


15.6

37.5

10

25





17.7

50

12

36





25.5


emisphere 

Hemisphere material

     External dimension(mm)

Technological parameters

OD.

Wall thickness

OD of Hole

c

fs

kp

nF

kHz

%

P-51

S10

0.7

1.5

3.8

245

>50

P-51

S10

0.7

/

3.8

210

>50

P-51

S20

0.9

4

13

90

>50

P-51

S20

0.9

/

13.5

100

>50

P-51

S30

1.1

4

258

64

>50

P-51

S30

1.1

/

26

67

>50


 

PZT Material:

 

- PZT4 Piezoelectric ceramics have a double behavior of receiving and transmitting, with higher sensitivity and lower dielectric loss.

- PZT5 Piezoelectric ceramics have higher electro-mechanical coupling coefficient, the moderate dielectric constant and higher sensitivity.

- PZT8 Piezoelectric ceramics of high power transmission type have good piezoelectric property, high mechanical strength, high coercive field, low dielectric loss in strong fields.



Application Image:


DQ6%5DF6T1(CMF5W%7DF%7B%24VU)YF


 


Piezo Hannas (WuHan) Tech Co,.Ltd  is a professional piezoelectric ceramics and ultrasonic transducer manufacturer, dedicated to ultrasonic technology and industrial applications.                                    
 

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