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RFI Shielding Manufacturers and Companies

IQS Directory provides an extensive list of rfi shielding manufacturers and suppliers. Utilize our website to review and source rfi shielding manufactures with our easy-to-use features which allow you to locate rfi shielding companies that will design, engineer, and manufacturer rfi shielding for your exact specifications. Our request for quote forms make it easy to connect with leading rfi shielding manufacturers. View company profiles, website links, locations, phone number, product videos, customer reviews, product specific news articles and other production information. We are a leading manufacturer directory who will connect you with the right manufacturers whether you are looking for emf shields, emi rfi shielding, or rfi suppression.

Leading Companies:

  • San Fernando, CA 818-764-8222

    Our team at Spira strives to bring you the best gaskets on the market. We exhibit our commitment to quality products by staying at the forefront of ever-changing manufacturing technology. We offer RFI gaskets to suit various applications, with groove-mounted, surface-mounted, and honeycomb filter configurations available. Contact us and we will help you find the gasket that suits your requirements.

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  • Lancaster, NY 716-684-7600

    Since 1963, we have provided the very best in EMI shielding and RFI shielding to customers around the world. To this day, we remain located in New York and our primary clients are all local residents of the area. However, we also have customers around the world, because our reputation makes us stand out in the sea of competition Contact us to learn more!

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  • Randolph, NJ 973-366-0080

    Omega Shielding Products is your premier source for high-performance, metal-stamped, fingerstock EMI RFI shielding solutions. An ISO9001:2008 certified manufacturer of EMI shielding and RFI shielding products, Omega offers an extensive line of EMI gaskets, rings and more to meet your specific needs. Omega Shielding Products maintains the highest levels of product quality and customer satisfaction.

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  • West Boylston, MA 508-835-6225

    Central Coating is the largest applicator of coatings in the Northeast. We specialize in the application of EMI shielding, industrial, textured and conformal coatings; form in place gaskets, pad printing, silk screening and value-added operations. ISO 9001:2015 registered, Central Coating specializes in the custom application of EMI shielding material using robotic and manual application methods.

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RFI Shielding Industry Information

RFI Shielding

RFI shielding is a method of protection against any electromagnetic disturbance emitted from either an electrical circuit or electronic component that may interfere with the operation of other electrical circuits or components. Radio frequency interference, or RFI, is radiated electromagnetic “noise,” which travels through the air as radio waves.

Quick links to RFI Shielding Information

Applications of RFI Shielding

Some common applications of RFI shielding include the packaging of electronic devices, such as printed circuit boards (PCBs), cable assemblies, interconnects, and input output filters. Industries that commonly require RFI shielding products include medical, telecommunications, electronics, and military.

How RFI Shielding Works

RFI is identical to EMI, or electromagnetic interference, except that EMI is conducted along wires, electrical circuits, and conductors, while radio frequency interference (RFI) travels across “free” air space in the form of radio waves. Electromagnetic interference and radio frequency interference are the magnetic fields given off as a bi-product of electrical currents, and both EMI and RFI impede the normal flow of electricity through currents, causing interference and malfunction in electronic devices. Radio frequency interference is high frequency, typically 100 kilohertz or above. RFI shielding is especially designed to block these high frequencies with copper, aluminum, galvanized steel, conductive rubber, plastic, or EMI coating paints. RFI can be shielded by EMI enclosures, EMI coatings, and EMI gaskets. It should be noted that not all of these block ground-conducted electromagnetic interference. EMI enclosures, gaskets, and EMI-coated enclosures aim to block out RFI signals traveling through the air and are not nearly as effective in trying to block ground-conducted EMI.

EMI and RFI are created, by widely varying degrees, by everything which conducts electrical energy, including electrical wires, electrical appliances, computers, and all other electronic equipment. Signal-bearing electronic devices, such as mobile phones, laptops, and GPS devices, give off RFI. Normal electrical currents are disrupted when moderate to high levels of EMI or RFI are introduced. Un-channeled electromagnetic signals and radio frequency waves can act as “noise,” magnetically altering normal flow of electrical currents and impeding the flow of electrical energy. Products such as EMI enclosures, EMI coated interiors, and EMI gaskets are necessary to provide full protection from RFI, which continues to increase exponentially as more and more mobile electronic devices are introduced to the consumer market. However, even though RFI products can be used, RFI sprays are the most common form of RFI shielding. An RFI spray, or coating, is often composed of an acrylic base in addition to pure metals, such as silver, copper, or nickel.



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RFI Shielding Informational Video