Datasheet

4© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com FS8001_EF • 3/27/2017
Flex Suppressor
®
EF Series
Shielding
Shielding materials
(metal, electrically conductive material)
While transmitted waves can be minimized, most of the incoming waves
arereected,causinginternalinterference.High-frequencyelectriccurrent
occursonthemetalsurfacesandreectednoiseoccursattheshielding
joints, metal openings, and other parts when the grounding is poor.
Shielding material + radio wave absorber
Shieldingmaterial+Radiowaveabsorbertransmittedwavesandreected
waves can be minimized by mounting metal plates on the back of radio wave
absorbers.
Radio wave absorbers
Topreventreection,electromagneticenergyisabsorbedandconvertedinto
heat.
Reference: Other absorbing and reecting examples
Absorbing Reecting
Radio Waves Radio waves absorbers Metals
Light Black objects White objects, Mirrors
Sound Absorbers, Felt Solid bodies (Concrete, etc.)
Reflected
waves
Reflected
waves
Incoming waves
Metal
surface
High-frequency
electric current
Shield
Shield
radio wave
absorber
Incoming
waves
Heat
conversion
Heat
conversion
Reflected
waves
Reflected
waves
Transmitted
waves
Transmitted
waves
Incoming waves
Heat
conversion
radio wave absorber