Shah Electronics

• The Ferrite Core Toroidal Inductor is a compact, high-efficiency magnetic component designed for energy storage, noise suppression, and current filtering in a wide range of electronic circuits. Constructed using high-permeability ferrite cores, these inductors provide excellent magnetic coupling, low electromagnetic interference (EMI), and stable inductance over varying current and temperature conditions.

  The toroidal (donut-shaped) core geometry minimizes magnetic flux leakage and radiated noise, resulting in superior performance and high energy efficiency. Ferrite Core Toroidal Inductors are widely used in Switch Mode Power Supplies (SMPS), DC-DC converters, inverters, and power conditioning systems, where compact design and reliable operation are essential.

  Features:

  • High magnetic efficiency with minimal flux leakage

  • Low core loss and high inductance stability

  • Compact toroidal design for space-saving PCB layouts

  • Excellent EMI/RFI suppression capability

  • Wide range of inductance and current ratings available

  • Customizable ferrite core material and wire gauge

  • High temperature and environmental resistance

  • RoHS compliant and meets IEC / UL standards

  Applications:

  • Switch Mode Power Supplies (SMPS)

  • DC-DC Converter Circuits

  • EMI / RFI Power Line Filters

  • Industrial and Automotive Power Systems

  • Solar Inverters and Battery Chargers

  • Audio and Communication Equipment

The Toroidal Power Inductor is a compact, high-performance magnetic component designed for energy storage, current smoothing, and noise suppression in power electronics. Constructed using ferrite or iron powder toroidal cores, it delivers low core loss, high magnetic efficiency, and superior EMI suppression — ensuring reliable operation in demanding applications such as switch mode power supplies (SMPS), DC-DC converters, and battery charging circuits.

Its toroidal shape provides a closed magnetic path, minimizing flux leakage and reducing electromagnetic interference. This makes it an ideal solution for modern high-density circuit designs where efficiency, stability, and low noise are critical.

• High current handling and energy storage capability

• Closed magnetic path for minimal EMI and flux leakage

• Low DC resistance (DCR) and high Q-factor

• Compact design for space-efficient PCB layouts

• Excellent thermal stability and long operational life

• Customizable inductance, wire gauge, and core material

• Available with ferrite, iron powder, or nanocrystalline cores

• RoHS compliant and meets IEC / UL safety standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Regulators

• Inverters and Battery Chargers

• Power Filters and Energy Storage Circuits

• Automotive and Industrial Electronics

• Renewable Energy Systems (Solar / EV Charging)

• Audio and Communication Equipment

The Toroidal Power Inductor is a high-efficiency magnetic component designed for energy storage, current filtering, and noise suppression in power conversion and distribution circuits. Built with ferrite or iron powder toroidal cores, it offers excellent magnetic coupling, low EMI radiation, and high current handling capability within a compact design.

The toroidal (donut-shaped) structure provides a closed magnetic path, minimizing flux leakage and ensuring low electromagnetic interference (EMI). These inductors are ideal for Switch Mode Power Supplies (SMPS), DC-DC converters, inverters, and battery charging systems, where stable inductance and reliable performance are essential for efficient power delivery.

• High energy storage and current handling capacity

• Excellent magnetic efficiency with minimal flux leakage

• Low core and copper losses for improved efficiency

• Compact, space-saving toroidal geometry

• Superior EMI and RFI suppression characteristics

• Wide range of inductance values and current ratings available

• Customizable core materials, wire gauge, and coating options

• RoHS compliant and meets IEC / UL safety standards

• Switch Mode Power Supplies (SMPS)

• DC-DC Converter Circuits

• Power Filters and Energy Storage Circuits

• Battery Chargers and Inverters

• Solar Power and Renewable Energy Systems

• Automotive and Industrial Electronics

• Audio, Communication, and Control Equipment

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.

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.

• 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

• 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)

• Operating Temperature: -40°C to +125°C (typical)

• Mounting Type: PCB / Vertical / Horizontal / Custom

• 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

• Core size selection (T-series sizes)

• AL value customization

• Copper wire gauge & turns as per current rating

• Insulation class options

• Vacuum impregnation / epoxy coating

The DC Converter Transformer is a compact, high-efficiency transformer designed for DC-DC power conversion circuits that require voltage step-up, step-down, or isolation. Built with high-quality ferrite cores and precision copper windings, it provides excellent magnetic performance, low loss, and stable operation over a wide frequency range.

These transformers are essential components in switch mode power supplies (SMPS) and isolated DC converter topologies such as Flyback, Forward, Push-Pull, and Half-Bridge converters. The DC Converter Transformer ensures reliable energy transfer with minimal electromagnetic interference (EMI) and high conversion efficiency, making it ideal for industrial, automotive, and renewable energy systems.

• High-frequency operation for compact and efficient power conversion

• Excellent isolation between input and output stages

• Low core loss and high magnetic permeability

• Stable performance under varying load and temperature conditions

• Supports multiple topologies: Flyback, Forward, Push-Pull, Half/Full-Bridge

• Compact size with superior thermal management

• Customizable winding ratio, inductance, and mounting type

• RoHS compliant and meets IEC / UL safety standards

• DC-DC Converter Modules

• Switch Mode Power Supplies (SMPS)

• EV and E-Bike Chargers

• Solar Power Systems and Battery Management Units

• Industrial and Medical Power Equipment

• Communication Power Systems

• Embedded and Portable Electronic Devices