Characteristic	Symbol	Unit\Material			R2KD	R2KBD	R2KB1	R1.8KB	R1.4K
Initial permeability					250025%	250025%	230025%	180025%	140025%
Effective saturation magnetic flux density	Bs	mT			480 (800A/m)	510 ( 1194A/m)	510 ( 1194A/m)	510 ( 1194A/m)	485 ( 1600A/m)
Effective retentivity	Br	mT			120	117	95	170	190
Effective coercivity	Hc	A/m			16	12	14.3	16	35
Core Less	Pc	KW/m3	16kHz150mT	25	12*
				60	11*
				100	12*			4.2*
			25kHz200mT	25		130	120
				60		90	80
				100		100	70
			100kHz200mT	25		700	600
				60		500	450
				100		600	410	110*
			500kHz50mT	25					130
				60					80
				100					80
Curie temperature	Tc				>200	>230	>215	>240	>240
Electrical resistivity					1	10	6.5	3
Density		Kg/m3			4.8	4.8	4.8	4.8	4.8

Characteristic	Symbol	Unit	R5K	R7K	R10K	R13K
Initial permeability			550025%	700025%	1000025%	1300025%
Relative loss factor			15(100kHz)	7(10kHz)	7(10kHz)	7(10kHz)
Effective saturation magnetic flux density	Bs	mT	420(800A/m)	400(800A/m)	400(1194A/m)	360(1194A/m)
Effective retentivity	Br	mT	150	90	90	100
Effective coercivity	HcB	A/m	8	10.4	7.2	4.4
Temperature Factor of permeability	1		0~1.5	0~2	-0.5~1.5	-0.5~1.5
			20~60	20~55	20~70	20~70
Disaccommodation Factor	DF		3	3	2	2
Curie Temperature	Tc		>140	>125	>120	>110
Resistivity			0.3	0.3	0.15	0.15
Density		g/m3	4.9	4.9	4.9	4.9

Ferrite cores used for EMI suppression featuring wide frequency band and high impedance a kind of electronic components which can not be absent in the field related to electromagnetic compatibility.
Ferrite cores used for SMT featuring light weight,small size and low mounting height a kind of ferrite cores having boundless prospects.