Ferrite Grade Chart

Sintered Ceramic Ferrite Magnetic Properties Data China Standard

Material	Br		HcB		HcJ		(BH)max
	mT	KG	KA/m	Oe	KA/m	Oe	Kj/m3	MGOe
Y8T	200~235	2.0-2.35	125~160	≥1570	210~280	≥2610	6.5~9.5	≥0.8
Y10T	200-235	2.0-2.35	128-160	≥1610	210-280	≥2640	6.4~9.6	≥0.8
Y22H	310~360	3.1-3.6	220~250	≥2770	280~320	≥3520	20.0~24.0	≥2.5
Y25	360~400	3.6-4.0	135~170	≥1700	140~200	≥1760	22.5~28.0	≥2.8
Y26H-1	360~390	3.6-3.9	220~250	≥2512	225~255	≥2830	23.0~28.0	≥2.9
Y26H-2	360~380	3.6-3.8	263-288	≥3300	318~350	≥4000	24.0~28.0	≥3.0
Y27H	370~400	3.7~4.0	225-240	≥2830	235-260	≥2950	25.0~29.0	≥3.1
Y28	370~400	3.7-4.0	175-210	≥2200	180-220	≥2260	26.0~30.0	≥3.3
Y28H-1	380~400	3.8-4.0	240-260	≥3020	250-280	≥3140	27.0-30.0	≥3.1
Y28H-2	360~380	3.3-3.8	271~295	≥3400	382~405	≥1800	26.0~30.0	≥3.3
Y30	370~400	3.7~4.0	175~210	≥3000	180~220	≥2260	26.0~30.0	≥3.3
Y30BH	380~390	3.8~3.9	223~235	≥2200	231-245	≥2900	27.0~30.0	≥3.4
Y30H-1	380~400	3.8~4.0	230-275	≥2890	235~290	≥2950	27.0~32.5	≥3.4
Y30H-2	395~415	3.95~4.15	275~300	≥3460	310-335	≥3900	27.0~32.0	≥3.4
Y32	400~420	4.0~4.2	160~190	≥2010	165~195	≥2070	30.0~33.5	≥3.8
Y32H-1	400~420	4.0~4.2	190-230	≥2390	230~250	≥2890	34.5~35.0	≥4.0
Y32H-2	400~440	4.0~4.4	224-240	≥2810	230~250	≥2890	31.0~34.0	≥3.9
Y33	410~430	4.1~4.3	220~250	≥2760	225~255	≥2830	31.5~35.0	≥4.0
Y33H	410~430	4.1~4.3	250-270	≥3140	250-275	≥3140	31.5~35.0	≥4.0
Y34	420~440	4.2~4.4	200-230	≥2510	205-235	≥2580	32.5~36.0	≥4.1
Y35	430-450	4.3~4.5	215-239	≥2700	217-242	≥2730	33.1~33.2	≥4.2
Y36	440~450	4.3~4.5	247~271	≥3100	250-374	≥4400	35.1-38.3	≥4.4
Y38	440~460	4.4~4.6	285-305	≥3580	294-310	≥3690	36.6~40.6	≥4.6
Y40	450~460	4.4~4.6	330~354	≥4150	340-360	≥4270	37.6~41.8	≥4.7

Ferrite Magnet Grade Data American Standard

Material	Br		HcB		HcJ		(BH)max
	mT	KG	KA/m	KOe	KA/e	KOe	kj/m3	MGOe
C1	230	2.3	148	1.86	258	3.5	8.36	1.05
C5	380	3.8	191	2.4	199	2.5	27	3.4
C7	340	3.4	258	3.23	318	4	21.9	2.75
C8(=C8A)	385	3.85	235	2.95	242	3.05	27.8	3.5
C8B	420	4.2	232	2.913	236	2.96	32.8	4.12
C9	380	3.8	280	3.516	320	4.01	26.4	3.32
C10	400	4	288	3.617	280	3.51	30.4	3.82
C11	430	4.3	200	2.512	204	2.56	34.4	4.32

International Electrotechnical Commission Standard (IEC404-8-1)

Grade	Allowed Value (min/typical)
	Br		Hcb(BHC)		Hcj(IHC)		(BH)max
	MT	KG	KA/m	KOe	KA/m	KOe	Kj/m3	MGOe
HF8/22	200/220	2.00/2.20	125/140	1.57/1.76	220/230	2.76/2.89	6.5/6.8	0.8/1.1
HF20/19	320/333	3.20/3.33	170/190	2.14/2.39	190/200	2.39/2.51	20.0/21.0	2.5/2.7
HF20/28	310/325	3.10/3.25	220/230	2.76/2.89	280/290	3.52/3.64	20.0/21.0	2.5/2.7
HF22/30	350/365	3.50/3.65	255/265	3.20/3.33	290/300	3.64/3.77	22.0/23.5	2.8/3.0
HF24/16	350/365	3.50/3.65	155/175	1.95/2.20	160/180	2.01/2.26	24.0/25.5	3.0/3.2
HF24/23	350/365	3.50/3.65	220/230	2.76/2.89	230/240	2.89/3.01	24.0/25.5	3.0/3.2
HF24/35	360/370	3.60/3.70	260/270	3.27/3.39	350/360	4.40/4.52	24.0/25.5	3.0/3.2
HF26/16	370/380	3.70/3.80	155/175	1.95/2.20	160/180	2.01/2.26	26.0/27.0	3.2/3.4
HF26/18	370/380	3.70/3.80	175/190	2.20/2.39	180/190	2.26/2.39	26.0/27.0	3.3/3.4
HF26/24	370/380	3.70/3.80	230/240	2.89/3.01	240/250	3.01/3.14	26.0/27.0	3.3/3.4
HF26/26	370/380	3.70/3.80	230/240	2.89/3.01	260/270	3.27/3.39	26.0/27.0	3.3/3.4
HF26/30	385/395	3.85/3.95	260/270	3.27/3.39	300/310	3.77/3.89	26.0/27.0	3.3/3.4
HF28/26	385/395	3.85/3.95	250/265	3.14/3.33	260/275	3.27/3.45	28.0/30.0	3.5/3.8
HF28/28	385/395	3.85/3.95	260/270	3.27/3.39	280/290	3.50/3.60	28.0/30.0	3.5/3.8
HF30/26	395/405	3.95/4.05	250/260	3.14/3.33	260/270	3.27/3.39	30.0/31.5	3.8/3.9
HF32/17	410/420	4.10/4.20	160/180	2.01/2.26	165/175	2.07/2.20	32.0/33.0	4.0/4.1
HF32/22	410/420	4.10/4.20	215/225	2.70/2.83	220/230	2.76/2.89	32.0/33.0	4.0/4.1
HF32/25	410/420	4.10/4.20	240/250	3.01/3.14	250/260	3.14/3.27	32.0/33.0	4.0/4.1

Ferrite Grade Data Sheet Japan TDK Standard

Grade	Composition	Br		Hcb		Hcj		BH max
		mT	kG	kA/m	kOe	kA/m	kOe	KJ/m3
FB40	SrO6Fe2O3	410+/-10	4.1+/-10	234.8+/-11.9	2.95+/-0.15	238.7+/-15.9	3.0+/-0.2	31.4+/-1.6
FB3N	SrO6Fe2O3	395+/-15	3.95+/-15	234.8+/-11.9	2.95+/-0.15	238.7+/-15.9	3.0+/-0.2	28.7+/-2.4
FB3G	SrO6Fe2O3	375+/-15	3.75+/-15	254.6+/-15.9	3.2+/-0.2	270.6+/-19.9	3.4+/-0.25	25.9+/-2.4
FB3X	SrO6Fe2O3	375+/-15	3.75+/-15	234.8+/-11.9	2.95+/-0.15	238.7+/-15.9	3.0+/-0.2	25.9+/-2.4
FB1A	SrO6Fe2O3	220+/-15	2.20+/-15	159.2+/-15.9	2.0+/-0.2	258.6+/-19.9	3.25+/-0.25	8.9+/-1.6
FB5H	SrO6Fe2O3	405+/-15	4.05+/-15	298.4+/-11.9	3.75+/-0.15	322.3+/-11.9	4.05+/-0.15	31.1+/-1.6
FB4X	SrO6Fe2O3	420+/-10	4.20+/-10	234.8+/-11.9	2.95+/-0.15	238.7+/-15.9	3.0+/-0.2	33.4+/-1.6
FB4B	SrO6Fe2O3	400+/-10	4.00+/-10	254.6+/-11.9	3.2+/-0.2	262.6+/-19.9	3.3+/-0.25	30.3+/-1.6
FB4A	BaO6Fe2O3	410+/-10	4.10+/-10	175.1+/-15.9	2.2+/-0.2	176.7+/-15.9	2.22+/-0.2	31.8+/-1.6
FBGN	SrO6Fe2O3	440+/-10	4.40+/-10	258.6+/-11.9	3.25+/-0.15	262.6+/-11.9	3.3+/-0.15	36.7+/-1.6
FB6B	SrO6Fe2O3	420+/-10	4.20+/-10	302.4+/-11.9	3.8+/-0.15	318.3+/-11.9	4.0+/-0.15	33.4+/-1.6
FB6H	SrO6Fe2O3	400+/-10	4.00+/-10	302.4+/-11.9	3.8+/-0.15	358.1+/-11.9	4.5+/-0.15	30.3+/-1.6
FB6E	SrO6Fe2O3	380+/-10	3.80+/-10	290.5+/-11.9	3.65+/-0.15	393.9+/-11.9	4.95+/-0.15	27.5+/-1.6
FB5N	SrO6Fe2O3	440+/-10	4.40+/-10	256.8+/-11.9	2.85+/-0.15	2259.2+/-11.9	2.88+/-0.15	36.7+/-1.6
FB5B	SrO6Fe2O3	420+/-10	4.20+/-10	262.6+/-11.9	3.3+/-0.15	266.6+/-11.9	3.35+/-0.15	33.4+/-1.6