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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 Resonant frequency
fr
(kHz)
Coupling factor Static
capacitance
Cs
(pF)
Diameter
D
(mm)
Thickness
T
(mm)
Kt
(%)
Kp
(%)
PED15T21F1000S 15 2.1 1000 40 -- 1050
PED15T07F3000S 15 0.7 3000 40 -- 3000
PED20T21F1000S 20 2.1 1000 40 -- 1900
PED20T07F3000S 20 0.7 3000 40 -- 5700
PED25T21F1000S 25 2.1 1000 40 -- 2800
PED25T07F3000S 25 0.7 3000 40 -- 8400
PED28T21F1000S 28 2.1 1000 40 -- 3800
PED28T07F3000S 28 0.7 3000 40 -- 11200
PED30T21F1000S 30 2.1 1000 40 -- 4000
PED50T21F1000S 50 2.1 1000 40 -- 10000
PED50T25F44R 50 2.5 44 -- 60 8500
PED50T30F44R 50 3.0 44 -- 60 7400

The above electrical properties are based on Eleceram's QA material.
S represent full electrode for both surface, R represent negative electrode reversed to the positive side.

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