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Products
Model No.: OD12*ID7*4mm PCrN-4
Place of Origin: China
Supply Ability: 10,000,000
Certificate: ISO 9001
HS Code: 8541600000
Payment Type: T/T,Western Union
Incoterm: EXW
Piezo ceramic ring
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 |
|
Product Categories : PZT Piezoelectric Elements > PZT Piezoelectric Rings
Home > Products > PZT Piezoelectric Elements > PZT Piezoelectric Rings > Custom Ultrasonic Piezo Rings OD12xID7x4mm
Send Inquiry
Mr. Sun Zhaohai
Tel:0086-533-4230012
Fax:
Mobile Phone:+8618753397607
Email:josa@zbyuhai.com
Address:No.57 Chuangye Road, Boshan Economic Development Area, Zibo, Shandong
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