Electric Coils/

Molded Coils

Find molded coils including molded electric coils. Use the time-saving Request for Quote tool to submit your inquiry to all the molded coil manufactures and suppliers you select.

Molded Coils Types
Serving electromechanics, electromagnetics & electronics since 1946, Sag Harbor Industries is your ISO 9001:2000 certified partner for manufacturing custom wound & finished electric coils - faster, better & more economically! Complete prototype to production capabilities for encapsulated & molded coils. ISO 9001 certified, we are a service partnership company with value added services.
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Precision Econowind, Inc.
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North Fort Myers, FL
239-997-3860
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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 today!
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With a specialty in encapsulated coils & over-molded coils, Quality Coils uses materials that withstand the harshest environments. Highest industry standards are met for our ferrite core coils, tape wrapped coils, paper section coils, toroid coils, custom coils & limited space self supported coils. Our goal is to supply the finest electro-magnetic coil products available worldwide.
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Manufacturing inductors, transformers, coils and toroid magnetics, is Schott Magnetics specialty. With a range of inductors, HWT coils and custom coils, proven experience in the transformer and magnetic industry has given us a name worldwide in the aerospace, telecommunication and medical industries. Supporting a variety of market needs, we are ISO-9001:2000 certified & our products are lead free.
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We excel in electrical coils, solenoids & electro mechanical devices. With 50 years of business, Pontiac Coil is a global manufacturer & supplier of electric coils that are bobbin wound in a closed frame & include such types as encapsulated coils & molded coils for multiple electrical interfaces. Our ISO/TS certified and efficiently lean facility satisfies multiple customer requirements.
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Specialty coils, custom coils, coil assemblies, solenoids, electro-magnetic & inductors, from design to fabrication are capabilities at Custom Coils. Since 1978, we have been a specialty coil resource for coil assemblies, field coils, air-core coils, self supporting coils, edge wound coils & more. Challenging dimensions & shapes, tight tolerances, & material knowledge are some of our specialties.
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Industry Information

Molded Coils

Molded coils are electric coils which have been enclosed in a thermoformed, vacuum formed or injection molded plastic casing. Similar and sometimes synonymous to encapsulated coils, molded coils are a type of electric coil, an essential component in solenoid valves, transformers, transducers, circuits, electric motors and many electronic household appliances. Made from conductive metal wire wrapped, or "coiled" into a specific diameter, electric coils  are "electromagnets", or magnets which are only activated to magnetism when introduced to an electrical current. Electric coils provide either movement or electric current transformation through electromagnetism.

An outer casing is used on electric coils which require protection from harsh environmental conditions such as moisture, salt, oil or vibration; with nothing to protect delicate copper coils from the elements, an electric coil's conductivity might be easily lost. Molded coils and encapsulated coils solve this problem in overlapping ways: molded coils are enclosed in injection molded or thermoplastic coverings which seal the entire coil unit, while encapsulated coils more often use liquid or thermoformed polymer epoxies. While these two overlapping types are often the same, "molded coils" more often refers to coils which are encased in hollow, thermoformed or injection molded plastic casings; encapsulated coils are often molded into liquid or thermoformed epoxies, the coil becoming one with its casing. Molded coils generally have hard, hollow casings which are good at protecting coils from harmful weather.

The design of molded coils offers superior weather resistance; many molded coils are entirely waterproof, allowing for a much broader diversity of applications. While some types of molded coils can be cost-effective alternatives to larger, more complicated structures, the tooling costs of manufacturing plastic parts in which to encapsulate molded coils often soar above the costs of impregnated coils, which have wire that has been directly epoxy or laminate-dipped and therefore require little or no tooling. Manufacturers choose molded coils, encapsulated coils or custom coils which best fit the application and manufacturing process at hand.