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
arereected,causinginternalinterference.High-frequencyelectriccurrent
occursonthemetalsurfacesandreectednoiseoccursattheshielding
joints, metal openings, and other parts when the grounding is poor.
Shielding material + radio wave absorber
Shieldingmaterial+Radiowaveabsorbertransmittedwavesandreected
waves can be minimized by mounting metal plates on the back of radio wave
absorbers.
Radio wave absorbers
Topreventreection,electromagneticenergyisabsorbedandconvertedinto
heat.
Reference: Other absorbing and reecting examples
Absorbing Reecting
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