Shah Electronics

The Toroidal Choke Inductor is a high-performance magnetic component designed for filtering, noise suppression, and energy storage in AC and DC power circuits. Constructed using high-permeability ferrite or iron powder toroidal cores, it delivers low electromagnetic interference (EMI), high inductance, and excellent current handling capability in a compact form.

Its toroidal (donut-shaped) design provides a closed magnetic path, minimizing flux leakage and radiated noise. This results in higher efficiency, reduced electromagnetic emissions, and improved power stability in sensitive electronic systems. The Toroidal Choke Inductor is ideal for switch-mode power supplies (SMPS), inverters, battery chargers, and industrial control equipment where clean and stable current flow is critical.

• High inductance with low core and copper losses

• Excellent EMI and RFI noise suppression

• Compact and efficient toroidal magnetic design

• High saturation current and thermal stability

• Low stray magnetic field and flux leakage

• Customizable inductance values and core materials

• Available for both common mode and differential mode filtering

• RoHS compliant and meets IEC / UL standards

• Power Line and EMI Filters

• Switch Mode Power Supplies (SMPS)

• DC-DC Converters and Inverters

• Battery Chargers and UPS Systems

• Solar and Renewable Energy Systems

• Industrial Automation and Control Circuits

• Communication and Audio Equipment

The T-27 Copper Toroidal Inductor is a high-performance passive component designed for efficient energy storage, filtering, and suppression of electromagnetic interference (EMI) in electronic circuits. It features high-conductivity copper windings on a toroidal core, which ensures minimal magnetic flux leakage and low core loss.

Its toroidal design provides high inductance efficiency, compact size, and superior thermal stability. The T-27 inductor is ideal for switching power supplies, DC-DC converters, and high-frequency filtering applications, offering reliable performance under varying current loads and frequency ranges.

• High-quality copper wire for low resistance and high conductivity

• Toroidal magnetic core reduces EMI and flux leakage

• Compact, low-profile design suitable for PCB mounting

• Excellent thermal stability and low audible noise

• High Q-factor for efficient energy storage

• Long-term reliability under continuous operation

• Switch-mode power supplies (SMPS)

• DC-DC converters and inverters

• EMI suppression and signal filtering

• Energy storage in pulse circuits

• Audio, telecommunications, and industrial electronics

The Toroidal Inductors / Common Mode Chokes are high-efficiency magnetic components designed to suppress electromagnetic interference (EMI) and radio frequency interference (RFI) in power and signal lines. Built using toroidal ferrite or powdered iron cores, these components offer superior magnetic coupling, low leakage flux, and excellent noise attenuation across a wide frequency spectrum.

Their toroidal (ring-shaped) design ensures minimal stray magnetic fields, compact size, and higher energy efficiency, making them ideal for switch mode power supplies (SMPS), inverters, EV chargers, and industrial control systems.

• Excellent suppression of common-mode and differential-mode noise

• Compact toroidal design with high magnetic efficiency

• Low core loss and minimal leakage inductance

• High dielectric strength and insulation resistance

• Wide operating temperature range

• Available with ferrite, iron powder, or nanocrystalline cores

• Customizable inductance, current rating, and wire configuration

• RoHS compliant and meets IEC / UL safety standards

• Switch Mode Power Supplies (SMPS)

• EMI / RFI Power Line Filters

• Inverters and Motor Drives

• EV and E-Rickshaw Battery Chargers

• Solar Power Converters and Controllers

• Industrial Automation and Control Circuits

• Consumer Electronics and Power Conditioning Units