Leading Solenoid Coil Manufacturers

A solenoid coil is an electrical component that uses a wire tightly wrapped around a core, usually made of metal, to generate an electromagnetic field. Read More…

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.

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.

Sag Harbor Industries, Inc. $$$

Established in 1973, Classic Coil Company is a Contract Manufacturer of electronic coils. We manufacture coils for a variety of industries; winding wire gauges from 4-58 AWG. We are ISO 9001-2015 certified, ITAR registered and DFARS Compliant. Our Engineering services allow us to assist with design, reduce cost, and increase efficiency in production. Call or visit our website to learn more about...

Classic Coil Company $$$

Since 1962, Torelco has been a supplier of electric coils and transformers of superior quality. We offer custom coils, solenoid coils, ferrite core coils & toroid wound coils to serve a range of industries. Markets served include medical, military, electronics, and industrial. When you work with us, our promise is to build to the exact specifications and meet the custom needs of our customers.

Torelco LLC $$$

Check out what’s new online at Precision Econowind, manufacturer of the highest quality custom coils at reasonable prices, with on time delivery. Serving the coil industry for over 30 years, we’re experienced with producing loudspeaker & medical industry coils, coils wound on customers’ bobbins/tooling; freestanding, flat wire, edge wound, square, rectangle & shaped coils. Submit your specs ...

Precision Econowind, Inc. $$$

Many of Dufranes most successful applications involve custom coils for electromagnetic solenoid applications which require our custom coils to operate electromechanical actuators. Diameter, custom windings, length and resistance to shock and vibration play an important part in the design of Solenoid Coils. Solenoid coils can be any type of coil including toroidal and bobbin wound, sealed and...

Dufrane Technologies, LLC $$$

Triad Magnetics has been in the electric coils industry for over 75 years. Giving us the knowledge and expertise to be one of the best in the industry. We have a wide range of electric coils and inductors as well as the ability to custom engineer and manufacture electric coils to our customer’s needs. Having served the needs of many industries for more than half a century, Triad believes its...

Triad Magnetics $$$
Get Your Company Listed
placeholder image Sag Harbor Industries, Inc. Classic Coil Company Torelco LLC Precision Econowind, Inc. Dufrane Technologies, LLC Triad Magnetics

What Is a Solenoid Coil?

Energy for linear motion is provided by the electromagnetic field when an electrical current is passed through the coil. These solenoid coils are regarded as one of the simplest forms of linear actuation devices.

Solenoid Coil

How Solenoid Coils Function

The key components of a solenoid coil are the magnetic field and electricity. Magnets cannot be turned off once magnetized and continually emit their magnetic field, but this problem is not a factor when operating a solenoid coil. The magnetic field of a solenoid coil is activated by electricity, so it is possible to control when and how the magnetic field is used. The wires of a solenoid coil are wound into a coil where each curried wire produces the same magnetic field as a single straight wire. This is done to create a stronger magnetic field because all wires produce a weak magnetic field when electricity passes through them.

A closed loop is required in every electronic device between the thing being powered and the power source. Using a switch is a safe and convenient way to break the connection between the powered device and the power source. With an increase in power, the size of the switch required to break the connection is also increased. It takes a small amount of energy to turn the switch on and off, although the amount of power increases with the size of the switch.

A solenoid can provide necessary energy since its operation does not require much energy. Typically, a 24-volt solenoid can turn on a 240-volt machine. The back and forth motion of a solenoid allows an application to activate or turn off. The solenoid makes the activation of large pieces of equipment easy without the need for excessive energy. A proportional solenoid coil converts an electric signal into a proportional mechanical force, allowing for a variance in the position and force relative to the current level.

Types of Solenoid Coils

All solenoid coils use the same electrical principles in their operation, although they differ in design, usage, and materials. They are further divided between alternating current and direct current, in addition to categorization by being wrapped and encapsulated.

AC Laminated Solenoid Coil

The AC solenoid can deliver a large amount of force in the first stroke due to the high input of current when the solenoid coil is turned on. The coil can deliver more strokes because of this particular feature. The AC laminated solenoid coil produces a buzzing sound. They also come in different configurations. These are ideal for applications that require immediate action, such as medical equipment, vehicles, and printers.

AC Laminated Solenoid Coil

DC C-Frame Solenoid Coil

To provide linear motion, the C-frame of a DC C-frame solenoid coil has an open frame. This type of solenoid coil is the simplest solenoid and has a cost-effective design but provides exceptionally high performance. It is found in a pull or push configuration and is used for simple applications such as circuit breakers, coin counters, scanners, and point of sale devices.

DC C-Frame Solenoid

Linear Solenoid Coil

This type of coil is also referred to as a linear electromechanical actuator. It can be continuously energized or used as an on or off switch. The type of coil can be designed as a proportional solenoid coil that changes the position of the plunger in relation to the power input. The name linear solenoid coil relates to the linear movement of the plunger when the coil is activated.

Linear Solenoid Coil

DC – D Frame Solenoid Coil

This type of coil is enclosed in two D-frames on both sides. This frame allows for a slightly higher out force and a greater resistance to environmental factors. D frame solenoid coils have a design that is economical for high volume uses and continuous duty, and they are available for on and off applications.

DC D-Frame Solenoid Coil

Applications and Uses of Solenoid Coils

Solenoid coils are used in automatic locking mechanisms, including door locks used in higher security areas. They are also used in medical devices that include oxygen delivery systems and gas chromatography. In the automotive sector, they are also essential in the production of automobiles as they are also found in air conditioning control systems. Other applications include aviation, irrigation systems, pinball machines, and pneumatic systems.

Choosing the Right Solenoid Coil Supplier

For the most beneficial outcome when purchasing solenoid coils from a solenoid coil supplier, it is important to compare several suppliers using our directory of solenoid coil companies. Each solenoid coil company has a business profile page that highlights their areas of experience and capabilities, along with a contact form to directly communicate with them for more information or request a quote. Review each solenoid coil business website using our patented website previewer for a better idea of what each business specializes in. Then, use our simple RFQ form to contact multiple solenoid coil companies with the same form.

Solenoid Coils Informational Video


Electric Coils Power Pages

Electric Coils

Electric Coils

An electric coil, or electromagnetic coil, is an electrical conductor that contains a series of conductive wires wrapped around a ferromagnetic core that is cylindrical, toroidal, or disk-like. Electric coils are one of the simplest forms of electronic components and provide...

Electromagnetic Coils

Electromagnetic Coil

An electromagnetic coil is an electrical coil that generates an electromagnetic field when electric current passes through it. The structure of an electromagnetic coil consists of a length of wire that is wound around a core, which can be a cylinder, bobbin, oval, or other...

Inductor and Inductor Coils

Inductor and Inductor Coils

Inductors are passive two terminal components of an electric or electronic circuit that are capable of storing energy in magnetic form. They oppose sudden changes in current and they are also called coils or chokes...

Solenoid Coils

Solenoid Coils

A solenoid coil is a common electrical component that uses a wire that is tightly wrapped around a core, usually made of metal, to generate an electromagnetic field. When an electrical current is passed through the coil, the electromagnetic field that is created provides energy for linear motion...

Voice Coils

Voice Coils

A voice coil is a winding of a wire, usually copper, aluminum, or copper-clad aluminum that is wrapped around a former (often called a bobbin) and then attached to the apex of a speaker cone...

Electric Transformers

Electric Transformers

Electric transformers are static electrical machines that transform electric power from one circuit to the other without changing the frequency. An electrical transformer can increase or decrease the voltage with...

Isolation Transformers

Isolation Transformers

An isolation transformer, just like typical transformers, is a non-moving device that transmits electrical energy from one circuit to another without requiring any physical contact. It works on the idea of magnetic...

Power Cords

Power Cord

A power cord is an electrical component used for connecting appliances to an electrical utility or power supply. It is made from an insulated electrical cable with one or both ends molded with connectors. One end is typically a male connector or a plug that goes into the electrical receptacle...

Three-Phase Transformers

Three-Phase Transformers

An electrical transformer is a passive machine that transfers electrical energy from one circuit to another using a magnetic flux to induce an electromotive force. Transformers are used to increase (step-up) or decrease (step-down) voltages without changing the frequency of the electric current...

Electrical & Electronic Components

Featured Industries