Piezo Ring Φ40×Φ15×5

Piezo Ring Φ40×Φ15×5

Piezo Ring Φ40×Φ15×5 Development and application history of piezoelectric ceramics A crystal material that exhibits a voltage between the ends when subjected to pressure. In 1880, French physicists P. Curie and J. Curie found that placing heavy objects on quartz crystals produced electric...
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Product Details

Piezo Ring Φ40×Φ15×5


Part No.:

CT(pF)

tgδ(%)

Fs(kHz)

Kp(%)

Qm

PZT4-Φ10×Φ5×2

350

0.3

142.0

60.0

1000

PZT4-Φ13×Φ5.3×2.2

580

0.3

116.0

60.0

1000

PZT4-Φ15×Φ6×2

900

0.3

101.5

60.0

1000

PZT4-Φ15×Φ7×3

600

0.3

101.5

60.0

1000

PZT4-Φ15×Φ6×4

450

0.3

101.5

60.0

1000

PZT4-Φ25×Φ10×5

1000

0.3

60.9

60.0

1000

PZT4-Φ30×Φ15×5

1285

0.3

47.0

60.0

1000

PZT4-Φ35×Φ15×5

1905

0.3

42.6

60.0

1000

PZT4-Φ38×Φ12.7×6

2035

0.3

42.0

60.0

1000

PZT4-Φ38×Φ15×5

2320

0.3

40.2

60.0

1000

PZT4-Φ38×Φ15×6.5

1785

0.3

40.2

60.0

1000

PZT4-Φ40×Φ15×5

2620

0.3

38.7

60.0

1000

PZT4-Φ49×Φ23×6

2820

0.3

29.6

60.0

1000

PZT4-Φ50×Φ17×6.5

3240

0.3

31.8

60.0

1000

PZT4-Φ50×Φ17×7.5

2805

0.3

31.8

60.0

1000

PZT4-Φ50×Φ20×6

3330

0.3

30.5

60.0

1000

PZT4-Φ50×Φ20×7

2855

0.3

30.5

60.0

1000

PZT4-Φ50×Φ23×6.5

2890

0.3

29.2

60.0

1000

PZT4-Φ50×Φ23×7.5

2505

0.3

29.2

60.0

1000

PZT4-Φ60×Φ30×10

2570

0.3

22.7

60.0

1000

PZT4-Φ25×2-S

2975

0.3

168.0

60.0

1000

PZT4-Φ25×2.2-S

2700

0.3

168.0

60.0

1000

PZT4-Φ50×3.5-S

5930

0.3

42.0

60.0

1000

PZT4-Φ50×5-S

4150

0.3

42.0

60.0

1000

PZT4-90×14×8-∠5

1960

0.3

17.5

60.0

1000

PZT4-85×14×8.5-∠4

1710

0.3

18.6

60.0

1000

PZT4-80×14×9-∠3

1490

0.3

19.7

60.0

1000

PZT4-80×14×12-∠3

1110

0.3

19.7

60.0

1000


002


Development and application history of piezoelectric ceramics


A crystal material that exhibits a voltage between the ends when subjected to pressure. In 1880, French physicists P. Curie and J. Curie found that placing heavy objects on quartz crystals produced electric charges on certain surfaces of the crystal, and the amount of charge was proportional to the pressure. 


This phenomenon is called the piezoelectric effect. Immediately, the Curie brothers discovered an inverse piezoelectric effect, that is, the piezoelectric body deformed under the action of an external electric field. The mechanism of the piezoelectric effect is that the piezoelectric crystal has low symmetry. When deformed by external force, the relative displacement of positive and negative ions in the unit cell causes the positive and negative charge centers to no longer coincide, resulting in macroscopic crystal formation, while the crystal The surface charge surface density is equal to the projection of the chemical intensity in the surface normal direction, so when the piezoelectric material is deformed by the pressure, a different electric charge appears on both end faces. 


Conversely, when a piezoelectric material is generated in an electric field, the material is deformed due to displacement of the charge center.


The use of these characteristics of piezoelectric materials enables mutual conversion of mechanical vibration (sound waves) and alternating current. Thus piezoelectric materials are widely used in sensor elements such as seismic sensors, force, velocity and acceleration measuring elements, and electroacoustic sensors. This type of material is widely used, a very life-like example, the spark of the lighter uses this technology.



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