TDK Electronics · TDK Europe

EMC filters


Power line filters

  • Wide current range up to 2500 A
  • Rated voltage up to 760 V AC and 2000 V DC
  • Different terminals (tab connectors, litz wires, threaded studs,
    terminal blocks, pins, IEC connectors, bus bars)
  • UL / CSA / ENEC approvals

High voltage common-mode chokes

  • High DC voltage capability
  • High current-handling capability
  • Suppression of asymmetrical interferences coupled in on lines.
    The high-frequency portions of the symmetrical data signal are
    decreased so far that EMC problems can be significantly reduced
  • Customized designs
  • UL 1446 Class 155 (F) Insulation system

Output filters

  • dv/dt filters, sine-wave filters, sine-wave EMC filters
  • Solutions for long motor cables and unshielded motor cables
  • Current up to 1500 A
  • Rated voltage up to 760 V AC

High current common-mode chokes (power line)

  • Wide current range up to 62 A
  • High current-handling capability
  • One- and three-phase design available
  • Suppression of asymmetrical interferences coupled in on lines.
    The high-frequency portions of the symmetrical data signal are
    decreased so far that EMC problems can be significantly reduced
  • Customized designs
  • UL 1446 Class 155 (F) Insulation system applicable

Line reactors, output chokes

  • Line reactors for Active Infeed Converters
  • Current up to 900 A

Standard common-mode chokes

  • Suppression of asymmetrical interferences coupled in on lines.
    The high-frequency portions of the symmetrical data signal are
    decreased so far that EMC problems can be significantly reduced
  • Wide range of different core shapes and sizes available, with specific properties
  • High current-handling capability
  • High temperature stability
  • Standard and customized designs
  • UL and VDE certified


2-line filters

  • Suppression of differential and common-mode disturbances
  • Modular SIFI filter system with various cases and insertion loss performances
  • 1 or 2 stage filters
  • Ambient temperature up to +100 °C
  • Filters for frequency converters
  • VR: 250 … 1500 V DC

Product search

Rated current (A) Rated voltage (V AC) Type PDF
0.5 - 6 250 B84110A
1.4 250 B84110B
2 - 36 250 B84112G
3 - 36 250 B84111F
3 - 36 250 B84113H
8 - 25 250 B84142B*R000
10 - 30 250 B84142A*166
10 - 60 250 B84142A*R000
180 - 1600 1000, 1500 B84142A_C_J*S081

3-line filters

  • Mains filters for 3-phase applications with symmetrical load
  • Optimized leakage current
  • Book size or compact filters
  • B84243*****000 high attenuation
  • B84143D****R127 for very high attenation
  • *S80/*S81 for high currents and high attenuation
  • *S20/S21/S24 for high currents and very high attenuation

Product search

Rated current (A) Rated voltage (V AC) Type PDF
8 - 180 275/480 B84143A*R000
8 - 150 300/520 B84143A*R105
10 - 50 300/520,  305/530 B84143A*166
10 - 100 300/520 B84143A*R106
10 - 100 300/520 B84143A*R107
16 - 200 300/520 B84143D*R127
25 - 180 440/760 B84143A*R021
35 - 230 300/520 B84143*R410
150 - 2500 310/530,  400/690,  440/760 B84143B*S020_S021_S024
160 - 1000 305/530,  440/760 B84143C*S250_S251
180 - 1600 300/520,  440/760 B84143B_K*S080_S081

4-line filters

  • For 3-phase applications with unsymmetrical load, space saving design
  • B84108: chassis filters
  • B84131: for power supplies
  • B84144A****R120 with terminal blocks
  • B84144B****S120 with busbars, standard performance
  • B84144B****S121 with busbars, extended performance

Product search

Rated current (A) Rated voltage (V AC) Type PDF
6 - 63 250/440 B84131
8 - 200 300/520 B84144A*R120
8 - 200 300/520 B84144A*R140
16 - 180 250/440 B84144A*R000
250 - 600 305/530 B84144B*S120_S121

High voltage common-mode chokes

  • Special mechanical design for improved electrical strength and long creepage distances
  • Approx. 0.3 …1% stray inductance for symmetrical interference suppression
  • High current chokes on baseplate, winding wire serves as solder terminal
  • UL 1446 Class 155 (F) Insulation system
  • LR: 0.42 … 3.3 mH
Rated current (A) Rated voltage (V AC) Type PDF
16 - 35 600/350 B82747E6
20 - 50 600.0 B8272xE6
--- --- Upon request Serie

High current common-mode chokes (power line)

  • Approx. 0.3 … 1% stray inductance for symmetrical interference suppression
  • Higher current chokes on baseplate
  • Winding wire serves as solder terminal
  • UL 1446 Class 155 (F) Insulation system
  • LR: 0.43 .… 7.8 mH
Rated current (A) Rated voltage (V AC) Type PDF
6 - 13 250.0 B82725S2*
8, 13 550/320 B82746S
10, 12 250.0 B82726S61*3
10 500/300,  520/300 B82746S4103A02*
12 - 26 500/300 B82767S4
16 250.0 B82726S2163
18 250.0 B82726S2183
18 440/250 B82747S4183
20, 24 250.0 B82726S22*3
20 500/300 B82746S4
20 520/300 B82747S4203A
24, 29 600.0 B8272xE6
25 300.0 B82726S3223A340
30, 35 500/300 B82747S4
31 440/250 B82747S6313
42 440/250 B82747S4423
54 300.0 B82726S3543
--- --- Upon request Serie

Standard common-mode chokes

  • High resonance frequency owing to special winding technique
  • Approx. 1… 2 % stray inductance for symmetrical interference suppression
  • Ring- and D-Core-Design: optimized impedance due to closed core
  • Framecore (FC)-Design: High stray inductance, excellent differential mode suppression, low height
  • UL and VDE certified
  • LR: 0.2 … 100 mH

Product search

Rated current (A) Rated voltage (V AC) Type PDF
0.3 - 2 250 B82720A, B82720K
0.3 - 2 250 B82720S
0.3 - 6 250 B82721A, B82721J, B82721K
0.3 - 3 250 B82722A, B82722J
0.3 - 1.8 250 B82731T
0.35 - 1.8 250 B82731H, B82731M
0.4 - 2.8 250 B82721K2*U*
0.4 - 2.2 250 B82732R, B82732W
0.4 - 2.6 300 B82730G, B82730U
0.45 - 1.6 250 B82732F
0.5 - 8 250 B82723A, B82723J
0.5 - 6 250 B82724A, B82724J
0.5 - 6 250 B82724B
0.7 - 4.6 250 B82734R, B82734W
0.7 - 2.3 300 B82733F, B82733V
1 - 16 250 B82725A
1 - 10 250 B82725J
1.6 - 10 250 B82724J8*N
4.3 - 10 250 B82724J2*U
6 - 13 250 B82725S2*