BM300 – Modified Lead Titanate

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			Lead Titanate
	Symbols	Units	BM300
Electrical
Relative Dielectric Constant	KT33	---	200
Dissipation Factor	Tan δ	%	2.0
Piezoelectric
Coupling Factor	kp	---	0.05
	k31	---	0.03
	k33	---	0.51
Charge Constant	d31	10-12 C/N	-3
	d33	10-12 C/N	70
Voltage Constant	g31	10-3 V·m/N	-2.0
	g33	10-3 V·m/N	35
Mechanical Quality Factor	QM	---	800
Frequency Constants2	Np	Hz·m	2700
	N1	Hz·m	2100
	N4	Hz·m	2200
Mechanical
Compliance	SE11	10-12 m2/N	7.2
	SE33	10-12 m2/N	9.0
Density	ρ	g/cm3	6.7
Curie Temperature	Tc	oC	225
Ageing Characteristics3 (% change/time decade)
Coupling Factor	kp	---	-0.5
Relative Dielectric Constant	KT33	---	-1.5
Frequency Constant	N4	Hz·m	0.8