Product

Mn-Zn Ferrite Cores

Features

Mn-Zn ferrite possesses low loss and high permeability characteristics at frequencies above several hundred kHz and is widely used as a power ferrite material for transformers in switching power supplies and DC-DC converters. To meet customer requirements, we offer a rich lineup of proprietary materials, including the 6H series, which provides stable low-loss performance across a wide operating temperature range suitable for automotive applications; the 7H series, optimized for high-frequency power supplies; and ferrite for countering eddy currents in receiving coils for wireless power transfer.

Material lineup

Material lineup	Application	Material characteristics（Japanese only）
6H series	It features low core loss and high saturation density, making it widely applicable for transformers and choke coils used in various automotive switching power supplies.	Download
7H series	This power material, characterized by low core loss in the high-frequency range （above 500 kHz）, is suitable for transformers and choke coils used in high-frequency switching power supplies.	Download
4H series	This is a power material that offers low core loss while improving DC bias characteristics due to its high saturation density. It is suitable for choke coils in automotive and LED lighting applications.	Download
2H series	This material is suitable for EMC countermeasures such as common mode noise filters and pulse transformers. We offer a lineup of six materials, from 2H03 to 2H15, to meet a wide range of requirements.	Download

Product lineup

Core shape	Image	Core shape	Image
EE		EP
EI		PM
EIR		PMI
EER		FR
EED		FUR
RM		UU

Ni-Zn Ferrite Cores

Features

Ni-Zn ferrite is a low-loss material even at high operating frequencies above 1 MHz, making it suitable for high-frequency coils and noise filters. Coils can be wound directly on the ferrite core, making it ideal for power inductors and antenna coils. To meet customer requirements, we also actively accept material customization requests.

Material lineup

Material（Series name）	Application	Material characteristics
L-series	Materials marked with L are High μ materials	Download
K-series	Materials marked with K are Middle μ materials
F-series	Materials marked with F are Low μ materials

Product lineup

Core shape	Image
HB
FR
R
PIC

Ferrite Magnets

Sinosteel New Materials Co., Ltd., a subsidiary of the state-owned Chinese resource corporation Sinosteel Group, is one of China’s leading producers of ferrite sintered magnets.

Production is carried out by the group’s subsidiary, Sinosteel Tianyuan（Maanshan）Tongli Magnetic Material Co., Ltd. In response to customer requests, we are capable of providing customized solutions for special shapes, including high residual magnetic flux density, high coercivity, and double-height configurations.

Material Name	Br		Hcb		Hcj		BH(max)
	mT	Gs	KA/m	Oe	KA/m	Oe	KJ/㎥	MGOe
TY28B	395±5	3930±50	268±8	3350±100	283±8	3550±100	29.8±1.6	3.7±0.2
TY28B-3	400±5	4000±50	250±8	3150±100	260±8	3250±100	29.8±1.6	3.7±0.2
TY28H	385±5	3850±50	273±8	3400±100	303±8	3800±100	27.8±1.6	3.5±0.2
TY28H-2	370±5	3700±50	273±8	3400±100	323±8	4050±100	27.8±1.6	3.5±0.2
TY28H-3	390±5	3900±50	275±8	3450±100	308±8	3850±100	28.8±1.6	3.6±0.2
TY33H	390±5	3900±50	275±8	3450±100	315±8	3950±100	28.8±1.6	3.6±0.2
TY40B	400±5	4000±50	268±8	3350±100	288±8	3600±100	32.8±1.6	4.1±0.2
TY41B	410±5	4100±50	273±8	3400±100	285±8	3550±100	33.4±1.6	4.2±0.2
TY42H	370±5	3700±50	2951±0	3700±125	400±10	5000±125	28.8±1.6	3.6±0.2
TY42BH	375±5	3750±50	295±10	3700±100	388±8	4850±100	27.5±1.6	3.45±0.2
TY42B	410±5	4100±50	285±8	3600±100	315±8	3950±100	33.4±1.6	4.2±0.2
TY42N	425±5	4250±50	255±10	3200±125	265±10	3300±125	33.4±1.6	4.2±0.2
TY43B	395±5	3950±50	295±10	3700±125	393±10	4900±125	30.8±1.6	3.85±0.2
TY43BH	415±5	4150±50	295±10	3700±125	358±10	4500±125	33.4±1.6	4.2±0.2
TY45B	430±5	4300±50	305±10	3800±125	368±10	4600±125	36.8±1.6	4.6±0.2
TY45BH	420±5	4200±50	305±10	3800±125	380±10	4800±125	33.8±1.6	4.2±0.2
TY46B	440±5	4400±50	315±10	3950±125	368±10	4600±125	38.6±1.6	4.8±0.2
TY46BH	430±5	4300±50	318±10	4000±125	300±10	4900±125	35.0±1.6	4.4±0.2
TY47B	460±5	4600±50	315±10	3950±125	368±10	4600±125	38.6±1.6	4.8±0.2
TY47BH	450±5	4500±50	318±10	4000±125	390±10	4900±125	35.0±1.6	4.4±0.2

NdFeB Magnets

As a subsidiary of China’s state-owned resources trading company, Sinosteel Group, Sinosteel New Materials Co., Ltd. is a specialized manufacturer of NdFeB magnetic materials. By integrating in-house production from raw materials to magnetic substrates, various machining processes, and electroplating（including phosphate coating）, the company achieves stable delivery times, high quality, and cost-effective manufacturing.

Production is carried out at its subsidiary, Sinosteel NMC NdFeB Magnetic Material Plant, where we also provide various coating such as corrosion resistance test, strength test, and other custom services to meet customer requirements.

Material Name	Br	Hcb	Hcj	BH(max)	T(Operating temperature)
	T	kA/m	kA/m	kJ/㎥	℃
	(k Gs)	(kOe)	(kOe)	(MGOe)
N35	1.17-1.22	≧868	≧955	263-287	≦80
	(11.7-12.2)	(≧10.9)	(≧12)	(33-36)
N38	1.22-1.25	≧899	≧955	287-310	≦80
	(12.2-12.5)	(≧11.3)	(≧12)	(36-39)
N40	1.25-1.28	≧907	≧955	302-326	≦80
	(12.5-12.8)	(≧11.4)	(≧12)	(38-41)
N42	1.28-1.32	≧915	≧955	318-342	≦80
	(12.2-13.2)	(≧11.5)	(≧12)	(38-41)
N45	1.32-1.38	≧923	≧955	342-366	≦80
	(13.2-13.8)	(≧11.6)	(≧12)	(43-46)
N48	1.38-1.42	≧923	≧955	366-390	≦80
	(13.8-14.2)	(≧11.6)	(≧12)	(46-49)
N50	1.40-1.45	≧796	≧876	382-406	≦80
	(14.0-14.5)	(≧10.0)	(≧11)	(48-51)
N52	1.43-1.48	≧796	≧876	398-422	≦80
	(14.3-14.8)	(≧10.0)	(≧11)	(50-53)
38M	1.22-1.25	≧890	≧1114	287-310	≦100
	(12.2-12.5)	(≧11.3)	(≧14)	(36-39)
40M	1.25-1.28	≧923	≧1114	302-326	≦100
	(12.5-12.8)	(≧11.6)	(≧14)	(38-41)
42M	1.28-1.32	≧955	≧1114	318-342	≦100
	(12.8-13.2)	(≧12.0)	(≧14)	(40-43)
45M	1.32-1.38	≧995	≧1114	342-366	≦100
	(13.2-13.8)	(≧12.5)	(≧14)	(43-46)
48M	1.36-1.43	≧1027	≧1114	366-390	≦100
	(13.6-14.3)	(≧12.9)	(≧14)	(46-49)
50M	1.40-1.45	≧1033	≧1114	382-406	≦100
	(14.0-14.5)	(≧13,0)	(≧14)	(48-51)
35H	1.17-1.22	≧868	≧1353	263-287	≦120
	(11.7-12.2)	(≧10.9)	(≧17)	(33-36)
38H	1.22-1.25	≧899	≧1353	287-310	≦120
	(12.2-12.5)	(≧11.3)	(≧17)	(36-39)
40H	1.25-1.28	≧923	≧1353	302-326	≦120
	(12.5-12.8)	(≧11.6)	(≧17)	(38-41)
42H	1.28-1.32	≧955	≧1353	318-342	≦120
	(12.8-13.2)	(≧12.0)	(≧17)	(40-43)
45H	1.32-1.38	≧963	≧1353	342-366	≦120
	(13.2-13.8)	(≧12.1)	(≧17)	(43-46)
48H	1.37-1.43	≧995	≧1353	366-390	≦120
	(13.7-14.3)	(≧12.5)	(≧17)	(46-49)
35SH	1.17-1.22	≧876	≧1592	263-287	≦150
	(11.7-12.2)	(≧11.0)	(≧20)	(33-36)
38SH	1.22-1.25	≧907	≧1592	287-310	≦150
	(12.2-12.5)	(≧11.4)	(≧20)	(36-39)
40SH	1.25-1.28	≧939	≧1592	302-326	≦150
	(12.5-12.8)	(≧11.8)	(≧20)	(38-41)
42SH	1.28-1.32	≧987	≧1592	318-342	≦150
	(12.8-13.2)	(≧12.4)	(≧20)	(40-43)
45SH	1.32-1.38	≧1003	≧1592	342-366	≦150
	(13.2-13.8)	(≧12.6)	(≧20)	(43-46)
48SH	1.36-1.42	≧996	≧1592	366-390	≦150
	(13.6-14.2)	(≧12.5)	(≧20)	(46-49)
28UH	1.02-1.08	≧764	≧1990	207-231	≦180
	(10.2-10.8)	(≧9.6)	(≧25)	(26-29)
30UH	1.08-1.13	≧812	≧1990	223-247	≦180
	(10.8-11.3)	(≧10.2)	(≧25)	(28-31)
33UH	1.13-1.17	≧852	≧1990	247-271	≦180
	(11.3-11.7)	(≧10.7)	(≧25)	(31-34)
35UH	1.18-1.22	≧860	≧1990	263-287	≦180
	(11.8-12.2)	(≧10.8)	(≧25)	(33-36)
38UH	1.22-1.25	≧876	≧1990	287-310	≦180
	(12.2-12.5)	(≧11.0)	(≧25)	(36-39)
40UH	1.25-1.28	≧939	≧1990	302-326	≦180
	(12.5-12.8)	(≧11.8)	(≧25)	(38-41)
42UH	1.28-1.32	≧987	≧1990	318-342	≦180
	(12.8-13.2)	(≧12.4)	(≧25)	(40-43)
28EH	1.04-1.09	≧780	≧2388	207-231	≦200
	(10.4-10.9)	(≧9.8)	(≧30)	(26-29)
30EH	1.08-1.13	≧812	≧2388	223-247	≦200
	(10.8-11.3)	(≧10.2)	(≧30)	(28-31)
33EH	1.13-1.17	≧836	≧2388	247-271	≦200
	(11.3-11.7)	(≧10.5)	(≧30)	(31-34)
35EH	1.17-1.22	≧876	≧2388	263-287	≦200
	(11.7-12.2)	(≧11.0)	(≧30)	(33-36)
38EH	1.22-1.25	≧876	≧2388	287-310	≦200
	(12.2-12.5)	(≧11.0)	(≧30)	(36-39)
40EH	1.25-1.28	≧939	≧2388	302-326	≦200
	(12.5-12.8)	(≧11.8)	(≧30)	38-41
33AH	1.13-1.17	≧852	≧2786	247-271	≦220
	(11.3-11.7)	(≧10.7)	(≧35)	(31-34)
35AH	1.17-1.22	≧860	≧2786	263-287	≦220
	(11.7-12.2)	(≧10.8)	(≧35)	(33-36)

Transformers・Coils

We leverage a wealth of knowledge gained through years of experience in the design, development, and quality assurance of industrial and automotive products such as switching power supplies, DC-DC converters, and AC inverters. Our products serve a wide range of fields, delivering high-quality solutions tailored to various applications. With a diverse selection of ferrite materials, we perform optima design for each application and provide high-quality products through an integrated production process.

Production track record

Automotive

• Transformer for DC-DC converter（terminal shape: SMD, TH pin）
• Inverter transformer（terminal shape: SMD）

Industrial equipment

• Transformer for switching power supply（terminal shape: SMD, TH pin）
• General-purpose inverter transformer（terminal shape: TH pin）

For inquiries regarding transformer products, please fill out and submit the following “Transformer Requirement Specification Confirmation Sheet.”