2020 View Datasheet(PDF) - KEMET

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2020

Aluminum Electrolytic Capacitors

KEMET 

EMI Filters

As electronics become pervasive in virtually all aspects of our lives, the generation of electromagnetic

noise between equipment can be problematic. In order to maintain complete system functionality, it is

increasingly important to limit these types of interference. KEMET’s complete line of EMI filtering products

address EMI issues across a multitude of applications.

Many geographical regions regulate equipment testing for EMI noise immunity and generation. These

tests are often mandatory before the final product can be released into the marketplace. The permitted

noise levels are, in such cases, clearly defined in international standards. If the product cannot meet the

requirements, it is in often necessary to add an EMI filter to the design.

EMI filters consist of combinations of capacitive and inductive elements that will reduce the disturbance

levels in the frequency band specified by the design. As The Capacitance Company, KEMET has an

exceptional advantage of selecting capacitors of superior quality and functionality to best serve its EMI

filter products.

KEMET offers a broad portfolio of EMI filters to accommodate a variety of applications:

Power and Small Signal Feed-Through Filters

• A wide range of current ratings from 0.1A to 800A in various configurations

of capacitors and inductors

• Excellent stability properties and attenuation up to the GHz region

• Applications include screen rooms, power supplies, telecom systems,

medical and military equipment

General Purpose Filters

• A variety of PCB mount and spade lug terminated filters for standard line

voltage up to 16A

• Various configurations for moderate to high performance attenuation

• Applications include consumer goods, domestic appliances and business

equipment, low power switch mode power supplies and digital equipment

Chassis Mount Filters

• Single and three phase filters with and without neutral connection, with

various types of screw or flexible lead terminals and different geometries

• Current ratings from 1A to 1600A

• Voltage ratings from 250VAC to 600VAC and 1000VDC

• Single or multistage for alternative attenuation levels

• Applications include industrial frequency inverters, motor drives, switch

mode power supplies and medical systems

Special Purpose Filters

• Power line filters for screen rooms

• DC filters for solar panel arrays

• Three phase filters for inverters for solar panel systems

For applications requiring customized solutions, KEMET’s filter research and development team offers

complete collaborative design services to meet your specific geometric and electrical specifications.

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