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Current compensated chokes (DUS type) based on UU core.

Current compensated chokes wound on UU core with split section bobbins. Current compensated chokes are used as a line filters, because of wide range of prevention of electromagnetic interference (EMI) and radio frequency interference (RFI) from power supply lines. DUS type current compensated choke, even at its compact size, offers large inductance and keeps the high impedance levels required in high frequency ranges. Current compensated chokes are widely used in measuring equipment and system equipment.

          

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Chokes (DUS type)
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DUS type current compensated chokes max. dimensions [mm]
Type ØA B C D E F G H I J K
 0,6 8,0 7,0 5,0 3,1 8,1 16 10,6 0,8 13,0 6,4
0,8 13 10 4,5 5,6 10,4 18,5 16 1,0 21 8,6
1,0 15 12,7 1,5 6,0 12 21 16 1,0 26 10
1,0 20 15 4,0 7,5 6,3 21 19 1,0 24,3 14,2

Current compensated chokes - applications:
  • suppression of interference in electrical equipment
  • suppression of interference in electrical and electronic distribution boards
  • suppression of interference at the input of SMPS power supplies on the power mains side.
  • suppression of interference in electrical control systems for engine-driven mechanical vehicles

Tests:
     

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