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Classification: 27420000 [ACO091008]

Preferred name 27-42 Electronic coil and filter
Definition Electronic coils are inductive passive structuring elements which are used for attenuation of unwanted frequencies or for storage of energy in the area of electric power supply of electrical or electronic devices or attachments. Disturbing pulses and alternating current parts in direct currents are suppressed and it is possible to separate alternating currents of different frequencies. Electric filters define switch gears which an electrical signal transforms depending on the frequency of amplitude and phase. As a result unwanted signal parts are weakened or suppressed. Main group 27420000 is separated into electronic coils and electrical filters for the low-voltage range
IRDI 0173-1#01-ACO091#008
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