Strip ceramic spec.

Specification
Name	Mark	H41	H42	H43	H51	H52	H53	H81	H82	單位
Dielectric loss	tg	0.003	0.003	0.003	0.02	0.02	0.025	0.002	0.002	─
Electromechanical coupling coefficient	k_p	0.57	0.59	0.6	0.6	0.6	0.62	0.53	0.55
	K₃₁	0.33	0.34	0.32	0.38	0.38	0.36	0.32	0.32
	K₃₃	0.66	0.66	0.65	0.72	0.72	0.73	0.66	0.65
	k_t	0.48	0.48	0.5	0.5	0.47	0.47	0.48	0.5
Relative permittivity	ε^T₃₃/ε₀	1300	1350	1650	1800	2300	2900	1200	1500
Piezoelectric strain constant	K₃₃	-110	-130	-150	-185	-210	-280	-100	-120
	K₃₁	250	290	320	400	450	650	225	300	X10^-12M/V
	K₁₅	460	500	530	640	710	860	450	510
Mechanical quality factor	Q_m	500	500	1000	70	70	70	880	70
Elastic compliance constant	S11^E	12	11.5	13.5	18	15	20	11	11	X10^-12M²/V
	S33^E	8.5	8	8.7	22	9	21	8.5	8.5
	S55^D	21	21	21.5	24	22	23	21	21
Frequency constant	Fd	2250	2200	2100	2000	2000	1960	2300	2150	H2‧cm
	F1	1650	1700	1550	1450	1450	1400	1700	1560
	F3	1950	2050	2000	1900	1900	1850	1960	2100
	F5	1230	1230	1230	1200	1200	1200	1230	1230
	Ft	2270	2300	2300	2250	2250	2200	2290	2290
Speed of sound	Vd	3470	3500	3200	3000	3000	2960	3500	3500	m/s
	V1	3300	3400	3100	2900	2900	2890	3390	3390
	V3	3900	4100	4000	3800	3800	3800	3950	3950
	V5	2450	2450	2450	2400	2400	2400	2450	2450
	Vt	4550	4600	4600	4500	4500	4490	4550	4550
Density	P	7.5	7.5	7.5	7.6	7.6	7.6	7.5	7.5	x10³ _kg/M³
Curie temperature	T_C	310	300	360	270	260	220	300	300

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