Hard Material Piezoelectric Ring Actuator Piezoelectric Ultrasonic Transducer

Capacity(pf)

2490±10%

Radial Frequency fr(khz)

30±5%

Resonance Impedance zm

≤15

Thick frequency Ft(khz)

315

Coupling Modulus Kr(%)

≥45

Quality Factor(Qm)

≥800

The weight of 5pcs

1kg

Φ4×Φ2×2.5

60±12.5%

 622± 5%

<300

Φ8ｘΦ3ｘ1

850 ±5%

188 ±2%

≤10

Φ10ｘΦ5ｘ2

240±10%

153±5%

≤15

1020

≥45

≥800

Φ12ｘΦ5ｘ1

1170±15%

130±6%

≤5.7

Φ13.5ｘΦ7ｘ1.2

2000±15%

 1.7MHz

≤75

Φ15ｘΦ6.5ｘ5

0.269nF±10%

410 ± 2%

≤15

Φ15ｘΦ7ｘ4

316 ± 12.5%

102 ± 1KHz

Φ15ｘΦ8.5ｘ0.7

2100±15%

91 ± 3KHz

 ≤12

Φ16ｘΦ7ｘ2.5

899±20%

90± 5%

＜20

870 ± 5%

Φ16ｘΦ8ｘ4

340±10%

95.8±5%

≤20

512

≥45

≥800

Φ18xΦ12x1.2

2000±15

 1.8MHz±5%

≤75

Φ20xΦ10x4

 480 ± 12.5%

75 ± 5%

Φ22xΦ14.6x3

1000± 12.5%

50 ± 3KHz

Φ22xΦ8.1x6

530±20%

77 ±3 KHz

 ≤25

Φ24ｘΦ7ｘ3

1500±12.5%

75± 5%

Φ24ｘΦ12ｘ8

550±15%

60 ±3 KHz

≤25

Φ25ｘΦ10ｘ4

935±10%

65.5±5%

≤15

512

≥45

≥800

Φ28ｘΦ9ｘ1

6650±15%

 2.08MHz±5%

≤3

Φ28ｘΦ9ｘ6

800±15%

190±5 KHz

Φ28ｘΦ9ｘ0.3

22000±15%

6.8MHz±5%

≤1.5

Φ30ｘΦ10ｘ5

1150±10%

58.4±5%

≤15

410

≥45

≥800

Φ30ｘΦ10ｘ6

990±15%

59 ±5%

≤16

Φ32ｘΦ15ｘ5

1080±10%

49.2±5%

≤15

410

≥45

≥800

Φ35ｘΦ15ｘ5

1430±10%

45.5±5%

≤15

410

≥45

≥800

Φ38ｘΦ12.7ｘ6.3

2000±20%

 44 ±3 KHz

≤20 

Φ38ｘΦ15ｘ5

1750±10%

43.4±5%

≤15

410

≥46

≥800

Φ40×Φ12×5

2070±12.5%

45.9

≤15

≥46

≥800

Φ40ｘΦ15ｘ5

1970±10%

42.8±5%

≤15

410

≥45

≥800

Φ40×Φ20×5

1700±12.5%

37.9

≤15

≥45

≥800

Φ40×Φ17×6

1555±12.5%

40.5

≤15

≥45

≥800

Φ42ｘΦ15ｘ5

2200±10%

40±5%

≤15

410

≥45

≥800

Φ42ｘΦ17ｘ5

2110±10%

38.8±5%

≤15

410

≥45

≥800

Φ45ｘΦ15ｘ5

2580±10%

38.1±5%

≤15

410

≥46

≥800

Φ50ｘΦ17ｘ5

3160±10%

34.8±5%

≤15

410

≥45

≥800

Φ50ｘΦ17ｘ6

2430±10%

34.8±5%

≤15

315

≥45

≥800

Φ50×Φ20×5

2700± 12.5%

33± 2KHz

Φ50×Φ20×6

2490±12.5%

33.2

≤15

≥45

≥800

Φ50×Φ30×13

1350±5%

200±2 KHz

≤4

Φ50×Φ27×6

2100±12.5%

29.3

≤15

≥45

≥800

Φ60×Φ30×10

1922±12.5%

25.3

≤15

≥45

≥800

Φ60×Φ50×2

128±10%

1MHz±5%

≤10

Φ63.5×Φ50.8×12.7

1000

127khz 

Properties

PZT-41

PZT-42

PZT-43

PZT-82

PBaS-4

Dielectric Constant

ɛ^T_r3

1050

1250

1420

1100

1900

Coupling factor 

K_P

0.58

0.58

0.58

0.52

0.59

K₃₁

0.32

0.33

0.34

0.3

0.34

K₃₃

0.66

0.67

0.68

0.57

0.68

K_t

0.48

0.48

0.48

0.4

0.49

Piezoelectric coefficient

d31

10^-12m/v

-106

-124

-138

-100

-160

d33

10^-12m/v

260

280

300

240

380

g31

10^-3vm/n

-11.4

-11.2

-11

-10.3

-9.5

g33

10^-3vm/n

28

25.3

24

25

22.6

Frequency coefficients

N_p

2280

2200

2160

2280

2200

N₁

1671

1613

1583

1671

1613

N₃

1950

1900

1875

1950

1850

N_t

2250

2200

2200

2300

2200

Elastic compliance coefficient

S^e₁₁

10^-12m²/n

11.8

12.7

13.2

11.6

13.2

Machanical quality factor

Qm

1000

800

600

1200

2200

Dielectric loss factor

Tg δ

%

0.3

0.4

0.5

0.3

0.5

Density

ρ

g/cm³

7.5

7.5

7.5

7.6

7.5

Curie Temperature

Tc

°C

320

320

320

310

310

Young's modulus

Y^E₁₁

<10⁹N/m³

85

79

76

86

76

Poison Ratio

0.3

0.3

0.3

0.3

0.33