DG Focus Technology

Nanocrystalline Toroidal Core

Ultra-Thin Ribbon (12-20μm) Magnetic Solutions for High-Frequency Electromagnetic Applications

Excellent Magnetic Stability Coating/Casing Packaging Options Wide Temperature Range
Nanocrystalline Toroidal Core

Product Overview

MagComponent's nanocrystalline toroidal cores are manufactured using ultra-thin ribbon material with thickness ranging from 12 to 20 μm. This product series features excellent magnetic performance stability and is available in coating or casing packaging options, making it widely applicable in high-frequency electromagnetic environments.

1.2 T
Saturation Flux Density (Bs)
570°C
Curie Temperature (Tc)
12-20 μm
Ribbon Thickness
-40°C to 140°C
Operating Temperature Range

Electromagnetic Characteristics

Our material achieves industry-leading levels in both physical and magnetic performance:

1.2 T
Saturation Flux Density (Bs)
100 μΩ·cm
Resistivity (ρ)
570°C
Curie Temperature (Tc)
510°C
Crystallization Temperature (Tx)
-40°C to 140°C
Operating Temperature Range
7.2 g/cm³
Density
2~3
Saturation Magnetostriction (λs)
12-20 μm
Ribbon Thickness

Specification Parameter Definitions

Core Dimension Parameters

OD: Outer Diameter
Core outer diameter
ID: Inner Diameter
Core inner diameter
H: Height
Core height dimension
Ae: Effective Area
Effective cross-section area
Le: Mean Path Length
Average magnetic path length
Aw: Window Area
Window area
AL: Inductance Factor
Test data at 10kHz & 100kHz

Detailed Dimension Data Support

To ensure precise design matching, we provide detailed dimensional data support:

  • OD / ID / H: Core outer diameter, inner diameter, and height
  • Ae: Effective cross-section area
  • Le: Mean magnetic path length
  • Aw: Window area
  • AL: Inductance coefficient (providing test data at 10kHz and 100kHz)

Standard Product Selection Table

MagComponent provides a complete series of specifications from miniature to large sizes. The following are examples of some standard models:

Model (P/N) Bare Core Size (OD×ID×H) Finished Size (OD×ID×H) Effective Area (Ae/mm²) AL (10kHz)
JHNT 040304 4.0×2.5×4.0 mm 4.6×2.1×4.6 mm 2.0 25 μH
JHNT 161010 16.0×10.0×10.0 mm 18.6×6.7×12.2 mm 23.0 45 μH
JHNT 302015 30.0×20.0×15.0 mm 32.1×18.1×16.7 mm 59.0 75 μH
JHNT 504025 50.0×40.0×25.0 mm 53.5×36.3×28.5 mm 98.0 55 μH
JHNT 1009030 100.0×90.0×30.0 mm 106.0×84.0×36.0 mm 117.0 35 μH
JHNT 14010050 140.0×100.0×50.0 mm 146.0×94.5×56.0 mm 780.0 180 μH

* Note: Data units are mm, mm², μH respectively. Please refer to the complete catalog for detailed specifications.

Customization Services & Important Notes

Flexible Customization

MagComponent welcomes customers to customize exclusive-sized cores with specific performance requirements according to particular needs.

  • Custom dimensions and specifications
  • Special performance requirements
  • Application-specific optimizations
  • Prototype development and testing

Data Reference Notes

All data listed in this catalog are derived from optimally annealed samples and are provided for design reference purposes only. They do not represent the indicator guarantee for final orders. We recommend consulting with our technical team for specific application requirements and performance validation.

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Frequently Asked Questions

What are the main advantages of nanocrystalline toroidal cores?

Nanocrystalline toroidal cores offer superior high-frequency performance, low core losses, excellent temperature stability, and compact design for space-constrained applications.

What packaging options are available for toroidal cores?

We offer both coating (epoxy resin) and casing (plastic or metal housing) packaging options to suit different application requirements and environmental conditions.

What is the typical frequency range for these toroidal cores?

Our nanocrystalline toroidal cores are optimized for high-frequency applications, typically operating effectively from 10kHz to 500kHz, with excellent performance up to 1MHz.

Can you provide custom toroidal core sizes?

Yes, we offer custom toroidal core sizes and specifications to meet specific design requirements and application needs beyond our standard product range.

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