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Piezo Disc for Ultrasonic Sensor dual frequency

$99

10-9999
Piece/Pieces
$10

≥10000
Piece/Pieces

Min. Order:

1 Piece/Pieces

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Product Description

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Overview

Product Attributes

Model No.: OD49x10mm PZT-52

Packaging & Delivery

Selling Units:: Piece/Pieces

Piezoelectric ceramic disc

Electrode direction: thickness

Applications: Ultrasonic Distance Sensor, liquid level meter

Piezoelectric Ceramic Material: PZT-52

Piezoelectric elements technical data:
Dimensions:	Diameter 49mm, thickness 10mm
Radial frequency Fr:	39KHz ± 2KHz
Mechanical Coupling coefficient Kp	0.6
Dielectric Loss tg δ:	≤ 2%
Static capacitance Cs:	4200pF±12.5%

Test Condition: 25±3 °C 40~70% R.H.
fr, Zm, Kr => Radial mode vibration
Cs tanδ => LCR meter at 1KHz 1Vrms

Soft PZT

High sensitivity or "soft" ceramics feature high sensitivity and permittivity, but under high drive conditions are susceptible to self heating beyond their operating temperature range . These materials are used in various pick-ups and sensors, low-power motor-type transducers, receivers, and low power generators.

PZT-5 Series

The PZT-5 series materials are "soft" PZT. They range in Curie temperatures from 165°C to 350°C. All these materials have been optimised for charge constants or coupling coefficients for specific applications. PZT-51, 52, 53 series is often used as the receiver or generator element in hydrophones, accelerometers, and vibration sensors. PZT-51, 52, 53 Series is a lead zirconate titanate with a high sensitivity, permittivity, and time stability. PZT5H series is used in sensitive receivers and applications requiring fine movement control. It has been used in a wide range of applications from hydrophones to ink jet printers. PZT5H Series provides extremely high permittivity, coupling, and piezoelectric constant.

Selection of Piezo-ceramic Properties
Properties(unit)	Power transducers	Sensors	Actuators
Relative permittivity ε33 τ/ε0	1,000 – 1,395	1,500 – 3,400	1,800 – 3,800
Loss factor tan δ	1.6x10-3 –	12x10-3 –	15x10-3 –
Loss factor tan δ	3.0x10-3	20x10-3	16x10-3
Frequency constant NP( KHz⋅mm)	2,120 – 2,320	1,975 – 2,050	1,960 – 2,010
Coupling factor kP	0.54 – 0.58	0.59 – 0.62	0.65
Charge constant d33, (10-12 C/N)	240 – 315	390 – 620	475 – 680
Voltage constant g33, (10-3 Vm/N)	24.6 – 27.1	22.7 – 33.1	20.2 – 28.5
Elastic compliance S11ε, (10-12 m2/N)	10.9 – 14.9	16.3 – 18.5	15.8 – 17.9
Elastic stiffness C33D, (1010N/m2)	12.19 – 16.2	10.6 – 15.8	14.7 – 15.2
Density (g/cm2)	7.50 – 7.70	7.65 – 7.80	7.70 – 7.83
Quality Qm	500 – 1,200	60 – 90	75 – 80
Aging rate Cε, %	-4.6 to -3.0	-2.3 to -0.3	- 1.6 to -0.8

Product Categories : Piezoelectric Discs For Flowmeter Sensor

Company Overview

Zibo Yuhai Electronic Ceramics Co., Ltd. (formerly Zibo Wireless Ceramics Factory), founded in 1966, is one of leading manufacturer of piezoelectric ceramic elements and is engaged in the research and development of piezoelectric ceramic elements.

One of the founders of research, development and production of Piezo components and sensors in China.
the member of China Standardization Committee on underwater piezoelectric ceramic materials and components, partifipated the piezoelectric ceramic elements standard setting.

a. In 1986, involved in the formulation of the CB1125~1128-86 ministerial standard for general technical conditions of piezoelectric ceramic materials for underwater acoustics.

b. In 1988, participated in the formulation of the "Measurement and Calculation Method of Performance Parameters of Underwater Acoustic Practical Piezoelectric Ceramic Components" CB1194-88 standard.

c. In 1993, participated the formulation of the CB1218-93 ministerial standard of commonly used piezoelectric ceramic components for underwater acoustics.

d. In 2004, Participated in the formulation of Dielectric Filters Part 1: General Specification SJIEC61337-1:2004, Dielectric Filters Part 2: Guidelines for UseSJIEC61337-2:2004 industry standard.

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