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Description:

high efficiency
large amplitude
low heat
stable output unaffected by variations in load

 

 

 

HighTemperature Piezoelectric Ceramic

 

 

Typical values of high temperaturepiezoelectric ceramic

materials

 

Properties		Materials
		PT	K81	K85	PNA	HT
Dielectricconstants	E33T/E0	160	350	650	230	134
Dissipation factor (%)	tanδ	0.8	0.6	1.7	0.7	0.1
CouplingCoefficients	Kp	0.08	0.29	0.28	0.04	0.05
	Kt	0.44	0.3	0.4	0.41	0.3
Piezoelectric Charge Constants (pC/N)	d33	48	85	160	74	18
Piezoelectric voltage constants(X10-3Vm/N)	g33	33.8	27.2	29	36.4	15.2
Mechanical Q	Qm	50	15	30	16	7800
Frequency contents(Hz.M)	Nt	2100	1720	1700	1600	2590
Poison''s ratio	qE	0.28	0.41	0.41	0.19	0.24
Curie temperature(°C)	Tc	450	400	405	560	850
Density (g/cm3)	r	7.7	5.4	5.5	6	7.2

 

 

 

Above materials are used as design reference only, standardtolerances are approximately
±20%. 

 

Material properties are measured based  on the standard IEEEand DOD definitions 
and measuring techniques.

 

All data here represent nominal characteristics (20 /-1 oC) 72hours after polarization.

 

 

 

 

 

 

 

Cutstomer Design

 

Other type or size piezo electric ceramic element could be designedas your demand. Piezo ignitors and push button ignitor mechanismsare also available for your specific requirements , it’s also couldassembly in our facotory.