Custom Ultrasonic Piezo Rings OD12xID7x4mm

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T/T,Western Union

Incoterm:

EXW

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Overview

Product Attributes

Model No.: OD12*ID7*4mm PCrN-4

Supply Ability & Additional Information

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

Material: PCrN-4 (also called PZT-SF, hard PZT material, dielectric constant 1600)

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