Toroidal Inductors – For Supporting Low Power Circuit Applications

Toroidal Inductors

Inductors are important components that can be designed to support low power circuit systems in terms of function. They use electromagnetic induction to store and transfer energy into surrounding circuits. Toroidal inductors are known for their specific levels of inductance and current carrying capacity. They can be used to support a variety of industrial and commercial devices and equipment. Custom Coils designs and manufactures a variety of toroidal inductors to support different critical applications.

Toroidal Inductor Offerings

At Custom Coils, we design toroidal inductors with the capability to surpass the performance of industrial air coil inductors. Our inductors can be designed to support and protect equipment from Electromagnetic Interference (EMI). The doughnut shaped design allows for creation of high magnetic fields and less flux leakage. Inductor designs can range from simple toroidal coils to specialized through-hole headers. We can provide custom inductors on the basis of desired specifications, which includes:

  • Tolerance
  • DC Resistance
  • Current Rating
  • Packaging Type
  • Normal Inductance
  • Case Size/Dimension

We design the inductors in compact sizes to meet applications with space constraints. The core material is chosen based on the frequencies in an application. In terms of DC resistance, we can engineer the inductors’ resistance and inductance to tight tolerances.

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Applications of Toroidal Inductors

We can design a custom surface mount power transformer for specific applications. The customer needs to specify the following typical requirements:

  • Amplifiers
  • EMI Circuits
  • Medical Devices
  • Air Conditioners
  • Industrial Controls
  • Noise Filter Regulation
  • Refrigeration Equipment
  • Switch Mode Power Supplies
  • Electronic Brakes and Clutches

Custom Coil's toroidal inductors provide applications benefits of low electromagnetic interference, durable performance and minimal flux leakage. If you would like to know more about our inductor products please feel free to contact us.


Custom Coils
PO Box 348
109 Iowa Street
Alcester, SD 57001-0348

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