Barium Titanate Piezo Ceramic Disc OD36.83x200KHz

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Basic Info

Model No.: OD36.83x200KHz BaTiO3

Product Description

Piezoelectric ceramic disc

Lead free Piezo Ceramic Disc

The Co-Al Co-doped Barium Titanate Lead-free Piezoelectric Ceramics was successfully developed by Yuhai company through repeated experiments. By Researching the influence of Co-Al Co-doping on the structure and properties of Barium Titanate-based piezoelectric ceramics, the formulation and preparation technology of Barium Titanate-based piezoelectric ceramics were optimized. Yuhai`s BaTiO3 was prepared by conventional solid-phase sintering method, with the piezoelectric constant d33 (>170pC/N), dielectric loss tgδ≤0.5% and mechanical coupling coefficient Kp≥0.34.

Application: Ultrasonic Transducer

Piezoelectric ceramic Material: BaTiO3 (lead free)

Piezoelectric Elements technical data:

Dimensions: diameter 36.83mm, thickness 13-16mm (according to the fequency 200KHz)

Thickness Frequency Fr: 200KHz ± 4 KHz

Frequency Bandwidth ΔF＞8.5 KHz

Resonate Impedance R ≤ 20 Ω
Dielectric Loss tg δ: <0.6%

Static capacitance Cs: 900pF±12.5%

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

Lead free piezo material BaTiO3			Lead-free Material
Properties			BaTiO3
Dielectric Constant	ɛ^T_r3		1260

Coupling factor	K_P		0.34
	K₃₁		0.196
	K₃₃		0.43
	K_t		0.32
Piezoelectric coefficient	d31	10^-12m/v	-60
	d33	10^-12m/v	160
	g31	10^-3vm/n	-5.4
	g33	10^-3vm/n	14.3
Frequency coefficients	N_p		3180
	N₁		2280
	N₃
	N_t		2675
Elastic compliance coefficient	S^e₁₁	10^-12m²/n	8.4
Machanical quality factor	Qm		1200

Dielectric loss factor	Tg δ	%	0.5
Density	ρ	g/cm³	5.6
Curie Temperature	Tc	°C	115
Young's modulus	Y^E₁₁	<10⁹N/m³	119
Poison Ratio			0.33

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Product Categories : Lead Free Piezoelectric Elements > Lead Free Piezo Discs & Rods

Barium Titanate Piezo Ceramic Disc OD36.83x200KHz

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