Zibo Yuhai Electronic Ceramic Co., Ltd.
Address : No.57 Chuangye Road, Development Area Boshan, Zibo City, Shandong Prov. P.R. of China
Tel : +86-0533-4230012
Fax : +86-0533-4231700
Email : sales@zbyuhai.com

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Piezoelectric sphere -Φ15×1.5mm

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Product Description

Parameters

Piezoelectric ceramic hemisphere

Electrode direction: Radial direction

Yuhai company developped ultrasonic ring elements and custom ring sizes, this range is fabricated from more than 10 available piezoelectric material formulations according to high sensitive, temperatures etc applications.

Applications includes: high sensitive receiver transducer: hydrophones.

　　Features : Sizes from 6mm up to 160mm
　　Thickness from 1mm up to 10mm
　　Choice of metallisation (Silver, Nickel, Gold and others on request)
　　Wide choice of PZT formulations

Applications: Hydrophone receiver, underwater acoustics transducerMaterial: PZT-52( Soft PZT, High dielectric 2400 PZT-5a)PZT -52 is a modified soft PZT designed for relative high dielectric constant required hydrophone etc. receiver transducers

Technical data:

Dimensions: diameter 15mm, wall thickness 1.5

Radial Frequency Fr: 124KHz ± 3KHz
Electromechanical coupling coefficient Kp: ≥ 50%
Resonant impedance Zm < 3 Ω
Dielectric Loss tg δ: 2%
Status capacitance Cs: 4200pF± 20%

Test Condition: 25±3 °C 40~70% R.H.

fr, Zm, Kr => Radial mode vibration

Cs tanδ => LCR meter at 1KHz 1VrmsNominal Sizes and Tolerances

Geometry	Size (mm)	Tolerance
Discs	Diameter: 3 to 200	Tolerance according to the sizes of the piezo elements.
Discs	Thickness: 0.2-25
Tubes	Length: 1-100
	OD: 6-180
	ID: 5-150
	Wall: 0.5-15
Plates	Length: 1-200
	Width: 1-200
	Thickness: 0.2-25
Sphere	OD: 6-160
	ID: 4-150
	Wall: 1-10
Rings	OD: 3-180
	ID: 1-150
	Thickness : 0.2-25
For All Sizes	Flatness	± 0.03
	Concentricity	± 0.10
	Perpendicularity	± 0.10
	Parallelism	± 0.05