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 disc-Φ20×1MHZ

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Product Description

Parameters

Piezoelectric ceramic disc

Quick shipments
High power
low dielectric loss
wrapped arround electrode available

Application: ultrasonic Vibration transducer,

Material: PZT-82 (hard PZT, equal to PZT-8) or PZT-43(hard PZT, equal to PZT-4D)

Technical data:

Dimensions: diameter 28mm, thickness 2mm according to frequency 1MHz

Piezoelectric elements technical data:
Material	PZT-43	PZT-82
Thickness Frequency Ft:	1MHz ± 5%	1MHz ± 5%
Mechanical Coupling coefficient Kp	＞0.53	＞0.52
Dielectric Loss tg δ:	< 0.5%	< 0.3%
Static capacitance Cs:	1700pF±15%	1200pF±15%

Yuhai company can produce PZT piezoelectric discs with the following :

Sizes from 3mm up to 180mm

Thickness from 0.2mm up to 20mm

Choice of metallisation (Silver, Nickel, Gold and others on request)

quick delivery

Frequency: 1MHz, 2MHz

HARD PZT piezoelectric materials datasheet :

Properties			PZT-41	PZT-42	PZT-43	PZT-82	PCrN-4	PBaS-4
Dielectric Constant	ɛTr3		1050	1250	1420	1100	1600	1900

Coupling factor	KP		0.58	0.58	0.58	0.52	0.6	0.59
	K31		0.32	0.33	0.34	0.3	0.35	0.34
	K33		0.66	0.67	0.68	0.57	0.68	0.68
	Kt		0.48	0.48	0.48	0.4	0.45	0.49
Piezoelectric coefficient	d31	10-12m/v	-106	-124	-138	-100	-156	-160
	d33	10-12m/v	260	280	300	240	350	380
	g31	10-3vm/n	-11.4	-11.2	-11	-10.3	-11	-9.5
	g33	10-3vm/n	28	25.3	24	25	24.7	22.6
Frequency coefficients	Np		2280	2200	2160	2280	2100	2200
	N1		1671	1613	1583	1671	1539	1613
	N3		1950	1900	1875	1950	1850	1850
	Nt		2250	2200	2200	2300	2200	2200
Elastic compliance coefficient	Se11	10-12m2/n	11.8	12.7	13.2	11.6	14	13.2
Machanical quality factor	Qm		1000	800	600	1200	400	2200

Dielectric loss factor	Tg δ	%	0.3	0.4	0.5	0.3	0.6	0.5
Density	ρ	g/cm3	7.5	7.5	7.5	7.6	7.5	7.5
Curie Temperature	Tc	°C	320	320	320	310	310	310
Young's modulus	YE11	<109N/m2	85	79	76	86	71	76
Poison Ratio			0.3	0.3	0.3	0.3	0.3	0.33