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We respond to custom requirements through our unique integrated production method, starting from magnetic raw materials.
Our extensive product line-up ranges from consumer electronic equipment to car electronic devices.

To supply high-quality, high-performance electronic components, TOHO ZINC has established an integrated structure linking all stages—from the development of magnetic materials to final products with quality control, technical services and marketing—by leveraging its strengths as a manufacturer of metallic raw materials.
Our reputation for dependability is based not only on capacity of supply, but also on our ability to meet the needs of our customers through rapid product development and short lead times.
We also provide technical support backed by our integrated manufacturing structure.
Recent years have seen a growing shift to eco-products.
In keeping with this trend, we will work to ensure that our manufacturing activities remain environmentally friendly, including the development of lighter, more compact products and the contribution of efficient power supplies to reduce energy consumption.
TOHO ZINC was among the first Japanese companies to establish offshore operations in response to market globalization. Today we operate production sites in China and Vietnam and are building an Asia-wide supply network.

Inquiries

Products

Core material: Iron powder core

Appearance Series Applications Features Data
PDF
SK Toroidal Series SK Toroidal Series Normal mode noise suppression
Output choke coil
Quality controlled by integrated manufacturing PDF

Core material : Fe-Al-Si based powder core

Appearance Series Applications Features Data
PDF
HK Toroidal Series HK Toroidal Series Output choke coil for high-frequency switch mode power supply Excellent frequency characteristic
For over 100kHz switch mode
Quality controlled by integrated manufacturing
PDF
HK BS Toroidal Series HK BS Toroidal Series Output choke coil for large-current circuit
PFC circuit
Downsizing compared to conventional material by improved DC bias characteristics PDF
HK EE Series HK EE Series Output choke coil for high-frequency switch mode power supply
Multiple-circuit output choke coil
PFC circuit
Flyback transformers
High inductance and / or multiple circuit use by multi-pin type bobbin PDF
HK EER Series HK EER Series Multiple-circuit output choke coil
PFC circuit
Choke coil for Hybrid Vehicle
For large current application by edgewise wound coil PDF
HK C Series HK C Series Output choke coil
PFC circuit
AC reactor
Coil for medium ~ large current circuit.
Machine winding enable the mass-production.
Excellent DC bias characteristics with a new magnetic materials
PDF
HK High Power Series HK High Power Series For high-power inverter (ex. air conditioner, photovoltaic generation)
And other high-power switching mode circuit.
Output choke coil for large-current circuit
Suitable for output choke coil for high-power inverter / switch mode power supply PDF
HK F series HK F Series Output choke coil for switch mode power supply
Choke coil with a large swing characteristics.
Suitable for power supply which required downsizing / high efficiency PDF
HK AE Series Baces For anti-vibration devices Base attached to coils PDF
Dust Drum Series Dust Drum Series Output choke coil for large-current and low-voltage DC / DC
POL, Automotive electronics
New developed insulated metal powder make possible to eliminate the use of bobbin, and which achieve downsize of coil.
Excel at temperature characteristics
PDF

Core material : Amorphous powder core

Appearance Series Applications Features Data
PDF
HM Toroidal Series HM Toroidal Series Output choke coil
PFC circuit
Adopt an amorphous material which are most low-loss among metal powder core.
For increasing in efficiency of circuit
PDF

Core material : Ferrite core

Appearance Series Applications Features Data
PDF
FK Toroidal Series FK Toroidal Series Common mode noise suppression
Suitable for preventing the malfunction on all types of electronic devices
Common mode noise suppression coil with excellent frequency characteristic / small size / low price PDF
FK Y Series FK Y Series 3-phase common mode noise suppression 3-phase power line common mode noise filter for industrial equipment PDF

Applications

  • Automotive electronics
    Automotive electronics
  • Office Automation equipment
    Office Automation equipment
  • Industrial equipment
    Industrial equipment
Inquiries

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