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Description :
Lead zirconate titanate (PZT)
Features :
Lead zirconate titanate (PZT)

Piezoelectric ceramic material properties

Item

Unit

Symbol

QA

QB

P8

QS

HD

MD

KA

KB

Electromechanical coupling coefficient

Kp

0.58

0.59

0.51

0.54

0.67

0.65

0.64

0.63

Kt

0.45

0.46

0.40

0.43

0.35

0.37

0.45

0.42

K31

0.34

0.35

0.30

0.32

0.41

0.38

0.37

0.35

Frequency constant

Hz ● m

Np

2200

2150

2340

2290

1940

1980

2060

2080

Nt

2070

2050

2090

2080

1920

1950

2000

2080

N31

1680

1600

1700

1690

1410

1450

1500

1560

Piezoelectric constant

×10-12m/v

d33

320

360

250

300

650

600

500

450

d31

-140

-155

-100

-130

-320

-270

-210

-190

×10-3Vm/N

g33

25.0

24.7

25.6

26.4

13.6

19.4

24.2

25.6

g31

-11.0

-10.6

-12.5

-12.9

-6.7

-9.2

-10.4

-12.6

Elastic constant

×1010N/m2

Y33

7.3

7.2

7.4

7.3

5.1

5.3

5.4

5.6

Y11

8.6

8.4

8.7

8.6

6.2

7.2

7.4

7.6

Mechanical quality factor

-----

Qm

1800

1600

1200

1000

60

80

85

100

Dielectric constant

@1KHz

εT33 / ε 0

1400

1600

1000

1300

5400

3500

2100

1850

Dissipation factor

%@1KHz

tan δ

0.4

0.4

0.2

0.4

3.0

2.5

2.0

1.2

Curie temperature

TC

320

320

300

320

165

220

320

320

Density

g /cm3

ρ

7.9

7.9

7.6

7.8

7.8

7.8

7.8

7.8

All measurements made according to IEEE standard on piezoelectricity, 176-1987
Specification :
Part No. Dimensions

Frequency   fr

  (KHz)

Coupling factor
kr
(%)
Static
capacitance
Cs
(pF)
Outer
Diameter
D
(mm)
Inner
Diameter
d
(mm)
Thickness
T
(mm)
PED1585T07 15 8.5 0.7 91 35 2050
PED2214T30 22 14.3 3 60 35 800
PED2809T55 28 9 5.5 58 40 1250
PED3015T50 30 15 5 50 40 1300
PED3515T55 30 15 5.5 44 40 1800
PED3813T63 38 12.7 6.3 44 40 2000


The above electrical properties are based on Eleceram's QA material.

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