Solenoid Coils

A reliable source for Electric Coil information and leading Electric Coil Companies & Manufacturers.

Highly popular electrical components, solenoid coils are electrical coils used in almost every industry for applications such as: transmission, clutch systems, seat belt locks, fuel control and more in the automotive industry; medical imaging, ventilation, pill dispensing and apparatuses in the medical and pharmaceutical industries; packaging and processing applications for the food and beverage industry; planting and fertilizing equipment in the agricultural industry; and material handling, control, positioning and processing applications in the industrial manufacturing industry. Read Moreā€¦

Solenoid Coils Solenoid coils, also referred to as solenoids, are three-dimensional loops, or coils, of wire that have been wrapped around a metallic core, and function to provide a magnetic field when an electric current is passed through the coil.

Leading Manufacturers

Sag Harbor, NY  |  800-724-5952

We are proud of the craftsmanship of our engineers. All of our products are made right here in the United States and we promise that these items are created from high quality resources. Our electrical coils are unique and efficient.

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Sag Harbor Industries, Inc. $$$

Antigo, WI  |  800-826-9741

Johnson Electric Coil Company is a family owned manufacturer that specializes in custom transformers, coils and inductors. From three phase isolation transformers to single phase inductors and chokes, we carefully design our products to meet your exact specifications.

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Johnson Electric Coil Company $$$

Bristol, CT  |  860-584-0927

We are an ISO 9001:2015 certified company which is internationally known for manufacturing high quality electromagnetic-coils. It is our goal to provide quality products, a commitment to speedy delivery, and competitive pricing. We understand that every application is unique, so we encourage you to contact us to discuss your specific requirements. Call us at 1-860-584-0927 and find out what our 50+ years of experience can do for you.

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Quality Coils, Inc. $$$

North Manchester, IN  |  260-982-8508

At Custom Magnetics, we manufacture transformers and coils, custom designed, for electrical and electronics industries. Our products often serve applications such as audio amplifiers, intercoms, power supplies, transducers, transportation, power generation, etc. Many types of transformers are produced including laminated, toroidal, ferrite cores of all shapes and sizes, and R-Core. Call today!

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Custom Magnetics, Inc. $$$

McAllen, TX  |  888-664-9495

Industrial Coils, LLC is a leading manufacturer that specializes in high quality custom solenoid coils wound to customer's specifications From three phase isolation transformers to single phase inductors and chokes, we carefully design our products to meet your exact specifications. Our experienced engineers are available to assist during every step of the process. Let us make great parts for you!

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Industrial Coils, LLC. $$$

Marlton, NJ  |  800-822-9190

Repco Inc. was founded in 1976. Our name stands for Replacement Electrical Parts Co. The products currently sold by Repco are electrical contacts and coils for industrial control and carbon brushes for industrial motors. The business is located approximately 12 miles east of the city of Philadelphia in Marlton, NJ.

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Repco Inc. $$$
placeholder image Sag Harbor Industries, Inc. Johnson Electric Coil Company Quality Coils, Inc. Custom Magnetics, Inc. Industrial Coils, LLC. Repco Inc.

Custom Wound Solenoid Coil Custom Wound Solenoid Coil - Sag Harbor Industries, Inc.

Thus, through becoming an electromagnet, meaning that its magnetic field is produced by an electrical current flow, the solenoid coil serves to convert electrical energy into linear motion.

Solenoid coils are also utilized in industries such as postal, printing, security, construction, office equipment, appliances and more. Since solenoid coils are necessary for such a wide range of applications, they can come in standard designs or they can be customized coils in order to better-suit the intended application.

Solenoid coils consist of two main parts: the coiled wire and the metallic core. The coiled wire is most commonly formed from insulated or enameled copper or copper alloys, whereas the metallic core is typically formed from solid or powdered iron but can also be formed from steel or stainless steel. It is crucial that the metallic core is made from ferromagnetic materials, substances that are able to concentrate the magnetic lines of flux and increase the inductance of the coil.

As a result, when the electrical current flows in the coil, the majority of the resulting magnetic flux will exist within the core material. The minority of the flux that is outside the core material will near the ends of the core or off to the side. In addition, there are two main types of solenoid coils: linear solenoid coils and rotary solenoid coils.

The most significant difference between the two types of solenoid coils is that linear solenoid coils convert electrical energy into linear motion, whereas rotary solenoid coils convert electrical energy into rotational motion. Also, while linear solenoid coils will reference the force exerted by the coil, rotary solenoid coils will reference the torque exerted by the coil.

Solenoid Coils Informational Video