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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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SOFT PZT

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Product Description

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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.

The ideal application of soft piezo materials is sensing needs.

Yuhai soft pizeo materials are PZT-5, PZT-5H, PSnN-5 and PLiS-51.

"Soft" PZT materials
Properties			PZT-51	PZT-52	PZT-53	PZT-5H	PLiS-51	PMgN-51
Dielectric Constant	ɛTr3		2200	2400	2600	3200	2000	3800
Coupling factor	KP		0.62	0.63	0.64	0.68	0.62	0.64
	K31		0.35	0.35	0.36	0.38	0.35	0.35
	K33		0.68	0.7	0.7	0.76	0.7	0.7
	Kt		0.5	0.5	0.5	0.52	0.52	0.52
Piezoelectric coefficient	d31	10-12m/v	-186	-204	-227	-275	-197	-270
	d33	10-12m/v	500	520	550	620	450	600
	g31	10-3vm/n	-9.6	-9.8	-9.9	-9.7	-11.1	-8
	g33	10-3vm/n	25.6	24.5	23.9	22	25.4	18
Frequency coefficients	Np		1980	1980	1960	1900	1920	1980
	N1		1451	1451	1437	1393	1407	1451
	N3		1900	1900	1755	1550	1925	1800
	Nt		2150	2150	2150	2100	2100	2100
Elastic compliance coefficient	Se11	10-12m2/n	16.7	17	17.4	18	18	18
Machanical quality factor	Qm		80	75	75	70	80	70
Dielectric loss factor	Tg δ	%	2	2	2	2	2	1.8
Density	ρ	g/cm3	7.6	7.6	7.6	7.5	7.5	7.6
Curie Temperature	Tc	°C	270	270	270	230	345	270
Young's modulus	YE11	<109N/m3	60	59	57.5	56	56	56
Poison Ratio			0.36	0.36	0.36	0.36	0.36	0.36

P-51	is a modified soft PZT for general purpose. It is dedicated to low aging rate and extremely stable performance requirement etc. transducers
PliS-51	is a high Curie temperature version of P-51. It is dedicated to low aging rate, extremely stable performance and high frequency requirement etc. transducers
P-52	is a modified soft PZT designed for relative high dielectric constant required hydrophone etc. receiver transducers
P-53	is developed as high dielectric constant and high Curie point soft PZT particular useful for receiver transducer and actuator etc. applications
PSnN-5	is a modified soft PZT , high curie temperature, stable performance requirement etc. transducers, special recommendation distance meansurements.
PZT-5H	is a modified soft PZT dedicated for popular used high dielectric constant, reasonable high Curie point required receiver transducer, ignition and actuator etc. applications