Radial Leaded Common Mode Chokes / Filters

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We offer Radial Leaded Common Mode Chokes and Filters with inductance values from 350nH to 208mH, and DC current ratings from 100mA to 75A.

What is a Common Mode Choke?

A common mode choke is an electrical filter that blocks high frequency noise common to two or more data or power lines while allowing the desired DC or low-frequency signal to pass. Common mode (CM) noise current is typically radiated from sources such as unwanted radio signals, unshielded electronics, inverters, and motors. Left unfiltered, this noise presents interference problems in electronics and electrical circuits.

How do Common Mode Chokes Work?

In normal or differential mode (single choke), current travels on one line in one direction from the source to the load, and in the opposite direction on the return line that completes the circuit. In common mode, the noise current travels on both lines in the same direction.

In common mode, the current in a group of lines travels in the same direction so the combined magnetic flux adds to create an opposing field to block the noise. In differential mode, the current travels in opposite directions and the flux subtracts or cancels out so that the field does not oppose the normal mode signal.

How do I choose a Common Mode Choke?

The main criteria for selecting a common mode choke are:

  • Required impedance: How much attenuation of noise is needed?
  • Required frequency range: Over what frequency bandwidth is the noise?
  • Required current handling: How much differential mode current must it handle?
Radial leaded components

Radials differ from axials in that the leads exit from a common side of the component, rather from opposite ends or sides. This gives the radial a vertical profile and a smaller printed wiring footprint.

 
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SCF-05-350
SCF-05-350 - Choke, Common Mode, 3.5 mH, 5 A, 250 VAC, Radial Leaded, SCF Series

3011710

Choke, Common Mode, 3.5 mH, 5 A, 250 VAC, Radial Leaded, SCF Series

KEMET

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SMV10
SMV10 - Choke, Differential Mode, 1.17 mH, SMV Series

1187669

Choke, Differential Mode, 1.17 mH, SMV Series

ROXBURGH EMC

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SH-322
SH-322 - Choke, Common Mode, Through Hole, 7.5 µH, 3 A, 250 VAC, Through Hole, SH Series

2949501

Choke, Common Mode, Through Hole, 7.5 µH, 3 A, 250 VAC, Through Hole, SH Series

KEMET

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- - SH Series - - -
SBT-0260TF
SBT-0260TF - COMMON MODE CHOKE, 60UH, 0.5A, TH

3365716

COMMON MODE CHOKE, 60UH, 0.5A, TH

KEMET

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60µH 500mA SBT Series - - -
SH-202
SH-202 - Choke, Common Mode, Through Hole, 1.5 µH, 3 A, 250 VAC, Through Hole, SH Series

2949492

Choke, Common Mode, Through Hole, 1.5 µH, 3 A, 250 VAC, Through Hole, SH Series

KEMET

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- - SH Series - - -
ST-101
ST-101 - COMMON MODE DC LINE FILTER, 0.2A, TH

3227461

COMMON MODE DC LINE FILTER, 0.2A, TH

KEMET

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SC-10-D05J
SC-10-D05J - COMMON MODE FILTER, 50UH, 10A

3290661

COMMON MODE FILTER, 50UH, 10A

KEMET

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SN8S-300
SN8S-300 - Choke, Common Mode, Through Hole, 26 µH, 2 A, 250 VAC, Through Hole, SN Series

2949425

Choke, Common Mode, Through Hole, 26 µH, 2 A, 250 VAC, Through Hole, SN Series

KEMET

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B82730G3262A020
B82730G3262A020 - Common Mode Choke, Power Line, U Core, 330 uH, 2.6 A

3580958

Common Mode Choke, Power Line, U Core, 330 uH, 2.6 A

EPCOS

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B82724J8302N040
B82724J8302N040 - Common Mode Choke, Power Line, Ring Core, 15 mH, 3 A

3580845

Common Mode Choke, Power Line, Ring Core, 15 mH, 3 A

EPCOS

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- 3A B82724J8 Series - - -
B82723J2402N001
B82723J2402N001 - Choke, Power Line, Double, Ring Core, 2.7 mH, 4 A, B82723J Series

1219106

Choke, Power Line, Double, Ring Core, 2.7 mH, 4 A, B82723J Series

EPCOS

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B82731M2351A030
B82731M2351A030 - Choke, Power Line, Double, D Core, 100 mH, 350 mA, B82731M Series

1644837

Choke, Power Line, Double, D Core, 100 mH, 350 mA, B82731M Series

EPCOS

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SSHB10HS-R30015
SSHB10HS-R30015 - Choke, Common Mode, Through Hole, 1.5 mH, 3 A, SSHB10HS Series

2860686

Choke, Common Mode, Through Hole, 1.5 mH, 3 A, SSHB10HS Series

KEMET

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SC-05-812JH
SC-05-812JH - COMMON MODE FILTER, 8.1MH, 5A

3290587

COMMON MODE FILTER, 8.1MH, 5A

KEMET

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ST-101A
ST-101A - COMMON MODE DC LINE FILTER, 0.2A, TH

3227462

COMMON MODE DC LINE FILTER, 0.2A, TH

KEMET

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SCR22-100-1R3A015JH
SCR22-100-1R3A015JH - Choke, Common Mode, 1.5 mH, 10 A, 250 VAC, Radial Leaded, SCR22 Series

3011692

Choke, Common Mode, 1.5 mH, 10 A, 250 VAC, Radial Leaded, SCR22 Series

KEMET

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SSRH7H-M13064
SSRH7H-M13064 - Choke, Common Mode, Through Hole, 6.4 mH, 1.3 A, SSRH7H-M Series

2860627

Choke, Common Mode, Through Hole, 6.4 mH, 1.3 A, SSRH7H-M Series

KEMET

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B82732R2102B030
B82732R2102B030 - Choke, Power Line, Double, D Core, 22 mH, 1 A, B82732R Series

2834145

Choke, Power Line, Double, D Core, 22 mH, 1 A, B82732R Series

EPCOS

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SHO-301
SHO-301 - Choke, Common Mode, Through Hole, 12 µH, 4 A, 250 VAC, Through Hole, SHO Series

2949506

Choke, Common Mode, Through Hole, 12 µH, 4 A, 250 VAC, Through Hole, SHO Series

KEMET

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SC-15-D030
SC-15-D030 - COMMON MODE FILTER, 30UH, 15A

3290690

COMMON MODE FILTER, 30UH, 15A

KEMET

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SCR-080-1R1A020J
SCR-080-1R1A020J - Choke, Common Mode, 2 mH, 8 A, 250 VAC/VDC, Radial Leaded, SCR Series

3011679

Choke, Common Mode, 2 mH, 8 A, 250 VAC/VDC, Radial Leaded, SCR Series

KEMET

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SS26V-R060860
SS26V-R060860 - COMMON MODE FILTER, 86MH, 0.6A

3290821

COMMON MODE FILTER, 86MH, 0.6A

KEMET

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ST-201
ST-201 - COMMON MODE DC LINE FILTER, 0.2A, TH

3227466

COMMON MODE DC LINE FILTER, 0.2A, TH

KEMET

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SN5-700
SN5-700 - AC LINE FILTER, 140UH, 0.9A, TH

2949419

AC LINE FILTER, 140UH, 0.9A, TH

KEMET

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SSR21NH-07405
SSR21NH-07405 - Choke, Common Mode, 40.5 mH, 700 mA, 250 VAC, Through Hole, SSR21NH Series

2949332

Choke, Common Mode, 40.5 mH, 700 mA, 250 VAC, Through Hole, SSR21NH Series

KEMET

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