Shah Electronics

The Silicon Ferrous Series Toroidal Inductor is a high-performance magnetic component manufactured using silicon-iron (Fe-Si) powder core material. Designed in a toroidal (ring-shaped) structure, this inductor offers excellent magnetic efficiency, low core loss, and minimal electromagnetic interference (EMI). It is widely used in power electronics, renewable energy systems, industrial automation, and high-frequency applications.

The toroidal design ensures a closed magnetic path, reducing flux leakage and improving energy efficiency compared to conventional core shapes.

Core Material – Silicon Ferrous (Fe-Si)

Silicon ferrous material is composed of iron alloyed with silicon, offering:

• High magnetic permeability

• Low hysteresis and eddy current losses

• Good DC bias characteristics

• Stable performance over temperature

• High saturation flux density

This makes it suitable for medium to high power applications where efficiency and reliability are critical.

Key Features

• Low Core Loss – Optimized for switching frequencies in SMPS and inverters

• High Saturation Flux Density – Handles higher current without early saturation

• Low EMI Radiation – Toroidal closed-loop magnetic path minimizes noise

• Compact & Space Saving – High inductance in smaller size

• Excellent Thermal Stability – Suitable for continuous operation

• Wide Inductance Range – Customizable as per requirement

Technical Specifications (Typical)

• Core Material: Silicon Ferrous (Fe-Si Powder Core)

• Core Shape: Toroidal

• Inductance Range: µH to mH (as per design)

• Operating Frequency: 10 kHz to 200 kHz (application dependent)

• Saturation Flux Density: High (compared to ferrite)

• Mounting Type: PCB / Vertical / Horizontal / Custom

Applications

• Solar Inverters

• Boost & Buck Converters

• SMPS (Switched Mode Power Supplies)

• UPS Systems

• Power Factor Correction (PFC) Circuits

• EMI / RFI Filtering

• Industrial Power Supplies

• EV Charging Systems

Customization Options

• Core size selection (T-series sizes)

• AL value customization

• Copper wire gauge & turns as per current rating

• Insulation class options

• Vacuum impregnation / epoxy coating

Silicon-Ferrous (also known as silicon steel or electrical steel) is a specially alloyed iron material that contains controlled amounts of silicon. The addition of silicon significantly improves magnetic properties, reduces core losses, and enhances electrical resistivity.

Because of its high permeability and excellent efficiency under alternating magnetic fields, Silicon-Ferrous is widely used in magnetic cores, transformers, inductors, motors, and other power-electronics applications.

It is available in laminated sheets, strips, and cores, designed to deliver stable performance, low noise, and long service life.

Silicon-Ferrous (also known as silicon steel or electrical steel) is a specially alloyed iron material that contains controlled amounts of silicon. The addition of silicon significantly improves magnetic properties, reduces core losses, and enhances electrical resistivity.

Because of its high permeability and excellent efficiency under alternating magnetic fields, Silicon-Ferrous is widely used in magnetic cores, transformers, inductors, motors, and other power-electronics applications.

It is available in laminated sheets, strips, and cores, designed to deliver stable performance, low noise, and long service life.

The Custom Silicon Ferrous Toroidal Inductor is designed to deliver high efficiency, low core loss, and superior magnetic stability in demanding power electronics applications. Built using advanced silicon ferrous alloy core material, this toroidal inductor offers excellent performance at medium to high switching frequencies while maintaining high saturation flux density and low EMI emission.

Applications:

• Solar Inverter Boost & Output Filters

• SMPS & Power Supplies

• DC-DC Converters

• UPS Systems

• EV Chargers

• Industrial Automation Equipment

The Silicon Ferrous Toroidal Inductor is a high-performance magnetic component designed for efficient energy storage and filtering in modern power electronics systems. Manufactured using premium silicon ferrous (FeSi) core material, this inductor offers low core loss, high saturation flux density, and stable inductance performance under medium to high switching frequencies.

Applications

• Solar Inverters

• SMPS (Switch Mode Power Supplies)

• DC-DC Converters

• UPS Systems

• EV Charging Systems

• Industrial Power Supplies

• Motor Drives & Automation Panels

The Silicon Iron Core Inductor is a robust and high-efficiency magnetic component designed for power electronics and industrial applications. Constructed using high-grade silicon iron (Si-Fe) core material, this inductor offers excellent magnetic permeability, high saturation flux density, and low core losses at medium switching frequencies.

Silicon iron cores provide superior current-handling capability and strong resistance to magnetic saturation, making them suitable for applications with high DC bias conditions. The toroidal design ensures a closed magnetic path, significantly reducing electromagnetic interference (EMI) and improving overall system efficiency.

Applications

 

• Solar Inverters

• SMPS & Industrial Power Supplies

• DC-DC Converters

• UPS Systems

• Motor Drives & VFD Systems

• Battery Chargers

• Industrial Automation Equipment

A Low Core Loss Inductor is specially engineered for high-efficiency power electronics applications where minimizing energy loss and heat generation is critical. Manufactured using advanced magnetic core materials such as Silicon Ferrous, MPP, Sendust (FeSiAl), or high-grade ferrite, these inductors significantly reduce hysteresis and eddy current losses during high-frequency switching.

Applications

• Solar Inverters

• SMPS (Switch Mode Power Supplies)

• DC-DC Converters

• UPS Systems

• EV Chargers

• Industrial Automation Equipment

• Battery Charging Systems

The High Efficiency Toroidal Inductor is designed to maximize power conversion efficiency while minimizing energy losses in demanding electrical and industrial applications. Built with premium magnetic core materials such as Silicon Ferrous, Sendust (FeSiAl), MPP, or Ferrite, this inductor ensures low core loss, high saturation flux density, and stable inductance under varying load conditions.

Engineered for continuous-duty operation, the High Efficiency Toroidal Inductor offers excellent thermal stability, reduced heat generation, and long operational life.

Applications

• Solar Inverters

• SMPS & Industrial Power Supplies

• DC-DC Converters

• UPS Systems

• EV Charging Equipment

• Motor Drives & Automation Systems

The Silicon Ferrous Core Inductor is a high-performance magnetic component engineered for efficient energy storage and filtering in power electronics applications. Manufactured using advanced silicon ferrous (FeSi-based) core material, this inductor delivers low core loss, high saturation flux density, and excellent magnetic stability across medium to high switching frequencies.

The silicon ferrous core provides improved DC bias performance and reduced hysteresis losses, making it suitable for high-current applications. Its optimized magnetic structure minimizes energy dissipation and enhances overall system efficiency while maintaining stable inductance under varying load conditions.

Applications

 

• Solar Inverters

• SMPS (Switch Mode Power Supplies)

• DC-DC Converters

• UPS Systems

• Battery Chargers

• EV Charging Systems

• Industrial Automation & Power Equipment

The Industrial Toroidal Inductor is a high-performance magnetic component designed for heavy-duty power applications requiring reliability, efficiency, and long operational life. Built with premium-grade magnetic core materials such as Silicon Ferrous, Sendust, MPP, or Ferrite, these inductors provide stable inductance, high current handling capability, and low core loss even under continuous industrial operation.

The Low Core Loss Toroidal Inductor for Solar Inverter is specially engineered for high-efficiency renewable energy systems. Designed using advanced Silicon Ferrous / Fe-Si-Al (Sendust) or optimized powder core material, this inductor delivers minimal core loss at high switching frequencies, ensuring maximum energy conversion efficiency.

This inductor is optimized for continuous operation, offering excellent thermal stability, high saturation flux density, and reliable long-term performance in demanding environments.

Applications

 

• Solar String Inverters

• Hybrid Solar Inverters

• Grid-Tie Inverters

• Off-Grid Solar Systems

• MPPT Circuits

• PFC Stages in Solar Power Systems

• DC-DC Boost Converters