EMI/RFI shielding is a type of shield that seals or prevents the low and high electromagnetic and radio frequency interference between electronic equipment. The EMI/RFI shielding is very important for many industries, such as automotive, electronics, medical and telecommunication.

EMI/RFI shielding come in different types of material depending on the shielding required, such as rubber, metal, plastic and composite material. Different types of products such as gaskets, adhesives, coatings and paints are the means of shielding the equipment.

Some important parameters you must consider before you select EMI/RFI Shielding are:

1. The type of frequency (high or low) that must be blocked by EMI/RFI shielding materials
2. The material that will act as shield
3. The size, shape, quantity and availability of tested material

Action Steps
The best contacts and resources to help you get it done

Buy EMI/RFI shielding from reliable EMI/RFI shielding manufacturers

Once you understand your requirements of buying the EMI/RFI shielding products, go to a specific EMI/RFI shielding manufacturer to buy the product you need.

I recommend: Parker Hannifin is a reputable manufacturer that sells EMI shielding products such as tapes, gaskets and mesh. Marian is a reputable industrial EMI/RFI shielding manufacturer that sells EMI shielding products and RFI shielding products. You can also buy a range of EMI/RFI shielding products at MAJR Products, an EMI/RFI shielding manufacturer of different types of shielding products.

Buy EMI/RFI shielding from reliable EMI/RFI shielding distributor

You can buy different types of EMI/RFI shielding products like shielding tape, shielding gasket and shielding foam from various EMI/RFI shielding distributors that provide these at attractive prices.

I recommend: United Seal & Rubber is a reputable EMI shielding distributor that supplies different types of EMI/RFI shielding products. Newark is another reputable distributor that offers EMI/RFI shielding online, including EMI shielding gasket, suppression filters PCB and suppression filters power line. You can buy different types of RFI and EMI shielding and absorbing materials at Digi-Key, a distributor of various kinds of EMI/RFI shielding in different materials. Ed Fagan Inc is an EMI/RFI shield material distributor that offers soft magnetic alloys in bars, rods, sheet and coils for use in making the EMI shielding products.

Buy customized EMI/RFI shielding products

If standard EMI/RFI shielding products available in the market do not meet your requirements, opt for customized or specialty products offered by various manufacturers.

I recommend: Steward, a unit of Laird Technologies, is a custom manufacturer that sells specialized EMI shielding. You can buy the EMI/RFI shielding as per your required EMI shielding design and specification at Fotofab, a manufacturer of standard and custom EMI and RFI shields. E-FAB is an EMI/RFI shielding supplier that offers EMI/RFI shielding of telecommunication equipment.

Tips & Tactics

Helpful advice for making the most of this Guide

• •  Evaluate the EMI/RFI shielding of the electric appliance before beginning the production, as this will help in the elimination of faults, if any.
• •  You can take the advice of consultants and testing laboratories for the proper EMI/RFI shielding of your products, as this will help you in producing better quality products.