High Permeability Epoxy Coating Toroidal Nano Crystalline Magnetic Cores for Choke

• Customization: Available
• Material: Iron-based Nanocrystalline Core
• Shape: Toroidal
• Model NO.: JH191125
• Certification: ISO9001, RoHS, IATF 16949
• Name: Nanocrystalline Core
• Core Form: Coating
• Material Model: 1K107
• Core Dimensions (mm): Od19* ID11* HD25
• Finished Dimensions(mm): Od21* ID10* HD27
• Item Weight (G): 30.6
• Core Weight (G): 29
• Transport Package: Carton and Wooden Box
• Specification: OD 21mm, ID 10mm, HD 27mm
• Trademark: JH
• Origin: China
• HS Code: 854190
• Production Capacity: 100, 000, 000 Per Year

Product Description

Product Description

Epoxy Coating Toroidal Nanocrystalline Magnetic Cores

Benefits of Nanocrystalline Core:
 

1. High saturation magnetic induction (Bs)
 

2. Low core loss compare to other core materials
 

3. Good frequency and temperature characteristics,usable to 3000KHz
 

4. Good DC Bias characteristics
 

5. Low leakage flux
 

6. Size saving and lighter weight compare to others
 

 

Detailed Photos

 

Product Parameters

Typical    Parameter
Item No.				JH191125
Description				Epoxy Coating Toroidal Nanocrystalline Magnetic Cores
Density				7.25g/cm3
Curie Temperature				Tc =570ºC
Crystallization Temperature				Tx =510ºC
Saturation				Bs= 1.2T
Electrical Resistivity				Ρ=100Ω-cm
Saturation Magnetostriction				λs=2~3
Item Weight (g)				30.6
QTY/CTN (PCS)				3000
Carton Size(cm)				31.5*31*17
Net Weight / CTN (KGS)				29
Gross Weight / CTN (KGS)				30
Package Optional				Various packages meet your demands
Standard Product list:
Item No.	Core Dimensions (mm)			Finished Dimensions  (mm)			Core Cut Area (mm2)	Ave. magnetic path length (mm)	AL(µH)
	OD	ID	HT	OD	ID	HT			10KHZ (±30%)	100KHZ  (Min)
JH181308	17.5	12.6	8	20.1	9.3	9.6	15.29	47.26	33	4.5
JH201208	20	12	8	22.5	9.8	10.1	24.32	50.24	60	7
JH201210	20	12	10	22.15	10.2	11.6	31.2	50.24	65	8
JH211510	21	15	10	23.9	12.8	13.2	24	57	25	5.25
JH221310	22	13	10	24.1	11.2	11.9	35.1	54.95	70	9
JH251608	25	16	8	28	13	11.5	28.08	64.37	55	5.5
JH252010	25	20	10	27.8	17.4	12.8	19	70.65	31	4
JH261610	26	16	10	28.8	13.7	12.8	38	65.94	72	9
JH281810	28	18	10	30.2	16.2	11.4	39	72.22	60	7
JH302010	30	20	10	32.7	17.7	12.8	38	78.5	60	7
JH302015	30	20	15	32.05	18.05	16.7	58.5	78.5	75	10
JH322008	32	20	8	35	17.5	11.5	31.2	78.5	55	6
JH322010	32	20	10	35	17.5	13	39	78.5	60	7.5
JH372415	37.8	24.2	15	41	21.7	17.5	79.56	97.34	85	13.5
JH383115	38	31	15	41.2	28	17.5	40.95	108.33	70	9
JH382320	38	23	20	41.2	20	22.5	117	95.8	90	14

Custom Services

The requirements of each of Dongguan JH' s customers are unique in your own way, especially given the wide range of applications for our components.  That's why we provide custom capabilities.  We can enhance component performance, achieve particular design specifications, and even address assembly and other production and distribution concerns.

Company Profile

Dongguan JH Amorphous Co., Ltd., established in 2014, has grown as  a major supplier of components for industries producing and using today's most advanced electronics.  During these 10 years, we have acquired the experience, technical expertise and production capability to make us one of the most competitive producers in our industry.

Guided by Mr. Hank Chan's extensive 18+ years of experience  in the amorphous industry, we have built a robust portfolio in OEM and ODM services, serving over 200 esteemed clients, including Huawei, Geli, and Jinquanhua.

As a full-service, one-stop amorphous core manufacturer, we offer a comprehensive range of services, including coating, slitting, stamping, winding, annealing, and custom assembly. Our R&D team is committed to providing technical support, design review, and testing from the initial concept through production. They are also capable of handling both standard and custom fabrications in any quantity, ensuring that our products meet the performance needs and expectations of customers. Our production capabilities are marked by a high degree of automation, featuring 22 winding machines, 5 annealing equipment, 4 automatic dispensing machines,  5 automatic assembly machines, 10 inductor testers and 1 CCD auto-inspect machine . This advanced automation not only enhances our annual production capacity to 12,000,000 units but also ensures meticulous quality inspection at every production stage.

In the industry, we stand out for our various selection of amorphous and nanocrystalline materials, available in all types and thicknesses, perfect for standard core sizes and custom tape winding toroidal assemblies. Likewise, we offer a complete array of highest-grade magnetic materials, designed to cater to diverse transformer assembly needs. This guarantees that our products fulfill many applications, while meeting critical dimensional and weight requirements, such as audio parts , compressors , inverters , conductors,  transformers, chokes and more.

We're passionate about quality, which is why we strictly follow quality control measures that align with ISO9001:2015 and IATF16949 standards. These certifications aren't just about compliance; they showcase our commitment to safety, environmental responsibility, and innovation.

For the past ten years, we've been leading the way in improving the performance, efficiency, and sustainability of amorphous cores. And we're always staying up-to-date.

 

Client Testimonials

Factory Facilities

FAQ

Q: Are you trading company or manufacturer ?

A: We are an integrated manufacturer of magnetic components, encompassing research and development, production, and sales. We provide customers with one-stop energy-saving, high-efficiency electronic component technology solutions.

Q: Can I get samples?

A: Samples order testing is supported, which help customers understand the performance and quality of core's products more intuitively.

Q:.How long is the sample lead time?

A: For ready samples, it's about 2-3 days. If you require your own size, it takes about 7 days.

Q: How long is the production lead time?

A: Generally it is 5-10 days if the products are in stock. Or 15-30 days if the goods are not in stock, depending on order quantity and production schedule.

Q: Which kinds of certificate would you have?

A: ISO9001, IATF 16949, RoHs, UL,  MSDS and so on.

Q: What is your terms of payment ?

A: Total amount ≤ USD5000, 100% pay in advance. Total amount > USD5000, 30% T/T in advance ,balance pay off before shipment. 
    The L/C is accept for big order, it can be negotiable. 

FAQ for Materials

Q: What Effect Does Heating The Magnetic Material Have?

A: Magnetic materials properties are temperature dependent. When temperature rises the magnetic interaction in the materials reduces due to thermal energy enhancement. When thermal energy overcomes the magnetic energy , magnetic property will reduce drastically or become zero.

Q: What is 1K107 Nanocrystalline Alloy material? Where can it be used?

A: 1K107 Nanocrystalline Alloy is an industry reference material, with different characteristics than proprietary alloys. When the specification or the application calls for a magnetically soft or high permeability material, 1K107 Nanocrystalline Alloy can frequently be successfully applied.

Q: Why must 1K107 Nanocrystalline Alloy  be final annealed to develop magnetic shielding performance?

A: To obtain optimum magnetic properties, annealing MuMetal® alloy following fabrication is essential. This should be done in a furnace that allows for careful control of the annealing temperature and cooling rate. Optimum properties are reached in a pure hydrogen atmosphere.
Q.5. Why does MuMetal or Co-Netic not be used at cryogenic temperature?

Q: What are the limitations on using 1K107 Nanocrystalline Alloy material?

A: The main limitation of the material is its high core loss at 50 Hz when compared with other soft magnetic materials.

Q: Why is coating required for parts made from 1K107 Nanocrystalline Alloy material?

A: SiFe materials are more prone to corrosion hence, to avoid corrosion, rusting or oxidation, coating is highly recommended for SiFe materials based components