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Home > Products > PZT Piezoelectric Elements > PZT Piezoelectric Rings > Custom Ultrasonic Piezo Rings OD12xID7x4mm

Custom Ultrasonic Piezo Rings OD12xID7x4mm

Custom Ultrasonic Piezo Rings OD12xID7x4mm

Payment Type: T/T,Western Union
Incoterm: EXW

Basic Info

    Model No.: OD12*ID7*4mm PCrN-4

Additional Info

    Place of Origin: China

    Supply Ability: 10,000,000

    Certificate: ISO 9001

    HS Code: 8541600000

Product Description


Piezo ceramic ring


Material: PCrN-4 (also called PZT-SF, hard PZT material, dielectric constant 1600)



PCrN-4 is a modified hard PZT dual function of receiver and transmiting transducer.


Piezoelectric Technical data:

Dimensions: OD 12mm, ID7mm, thickness 4mm

Radial Frequency Fr: 385KHz ± 5%

Resonate Impedance R<20 Ω

Electromechanical coupling coefficient K33: > 0.60
Dielectric Loss tg δ: <0.5

Static capacitance Cs: 271pF± 12.5%

Piezo discharge constant d33 > 320


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



SYMBOL

DEFINITION

UNITS

ε 33 T , ε 11 T

Free Relative Dielectric Constant

ε 33 S , ε 11 S

Clamping Relative Dielectric Constant

tgδ

Dissipation Factor at Low Field

ρ

Density

g/cm 3

T c

Curie Point

ºC

V

Velocity

m/s

Z a

Accoustic Impedance

Mrayl

K p, K 33, K t, K 31, K 15

Electromechanical Coupling Factors

N p , N 33, N 31, N 15, N t, N c

Frequency Constants

Hz - m

d 33, d 31, d 15

Piezoelectric Strain Constants

10 -12 C/N

d h

Hydrostatic Piezoelectric Strain Constants

10 -3 Vm/N

Q pm

Mechanical Quality Factor at Planar mode

Y 11 E , Y 33 E

Young's Modulus under Short Circuit

10 10 N/m 2

σ

Poisson Ratio

ε 33 T (% Per Decade)

Aging Rate of Free Relative Dielectric Constant

K p (% Per Decade)

Aging Rate of Planar Electromechanical Coupling Factor

K t (% Per Decade)

Aging Rate of Coupling Factor at Thickness mode

N p (% Per Decade)

Aging Rate of Frequency Constant of Planar Mode

N t (% Per Decade)

Aging Rate of Frequency Constant at Thickness Mode

ε 33 T ( / o C)

Thermal Stability of Free Relative Dielectric Constant

GLOSSARY

BT

Barium Titanate

Hard PZT

Hard Lead Titanate Zirconate Compound

Soft PZT

Soft Lead Titanate Zirconate Compound


piezo sensor part


piezo element for transducer




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Product Categories : PZT Piezoelectric Elements > PZT Piezoelectric Rings

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Sun Zhaohai

Mr. Sun Zhaohai

Email:

ceo@zbyuhai.com

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Email:ceo@zbyuhai.com

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