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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744821201
744821201 - Choke, Common Mode, Power Line, 1 mH, 2 A, WE-CMB Series

1636278

Choke, Common Mode, Power Line, 1 mH, 2 A, WE-CMB Series

WURTH ELEKTRONIK

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1mH 2A WE-CMB Series - - -
SBT-0140W
SBT-0140W - Choke, Suppression, 40 µH, 500 mA, SBT Series

9265783

Choke, Suppression, 40 µH, 500 mA, SBT Series

MULTICOMP PRO

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40µH 500mA SBT - - -
SH-302
SH-302 - Choke, Common Mode, 7.5 µH, 3 A, SH Series

9265805

Choke, Common Mode, 7.5 µH, 3 A, SH Series

MULTICOMP PRO

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7.5µH 3A SH - - -
CMV60
CMV60 - Choke, Common Mode, 1.4 mH, 6 A, CMV Series

1187667

Choke, Common Mode, 1.4 mH, 6 A, CMV Series

ROXBURGH EMC

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1.4mH 6A CMV Series - - -
SC-02-10GS
SC-02-10GS - Filter, Line, Common Mode, AC, 1 mH, 2 A, SC-GS Series

2364249

Filter, Line, Common Mode, AC, 1 mH, 2 A, SC-GS Series

KEMET

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1mH 2A SC-GS Series - - -
SMV80
SMV80 - Choke, Differential Mode, 85 µH, SMV Series

1187674

Choke, Differential Mode, 85 µH, SMV Series

ROXBURGH EMC

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90µH 8A SMV Series - - -
MCT25X15X15C-502NU
MCT25X15X15C-502NU - Choke, Common Mode, 5 mH, 6 A, MCT25 Series

1864501

Choke, Common Mode, 5 mH, 6 A, MCT25 Series

MULTICOMP PRO

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5mH 6A - - - -
7448262013
7448262013 - Choke, Common Mode, Power Line, 1.3 mH, 20 A, WE-CMB Series

1636304

Choke, Common Mode, Power Line, 1.3 mH, 20 A, WE-CMB Series

WURTH ELEKTRONIK

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RN112-0.4-02-39M
RN112-0.4-02-39M - FILTER, COMMON MODE, 39MH, 0.4A, RAD

2730084

FILTER, COMMON MODE, 39MH, 0.4A, RAD

SCHAFFNER

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39mH 400mA RN Series - - -
SCF25XV-170-1R7A009JH
SCF25XV-170-1R7A009JH - Filter, Common Mode Choke, SCF Series, 2mH, 17A, Radial Leaded, Horizontal

3941946

Filter, Common Mode Choke, SCF Series, 2mH, 17A, Radial Leaded, Horizontal

KEMET

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2mH 17A SCF-XV Series - - -
8108-RC
8108-RC - Inductor, Common Mode, 1 mH, 10 A, 8100 Series

1704101

Inductor, Common Mode, 1 mH, 10 A, 8100 Series

BOURNS JW MILLER

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1mH 10A 8100 Series - - -
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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3.5mH 5A SCF Series - - -
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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1.17mH 1A SMV Series - - -
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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7.5µH 3A 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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Cut Tape

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60µH 500mA SBT Series - - -
B82731T2102A020
B82731T2102A020 - Choke, Power Line, Double, E Core, 10 mH, 1 A, B82731T Series

1644843

Choke, Power Line, Double, E Core, 10 mH, 1 A, B82731T Series

EPCOS

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10mH 1A B82731T 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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1.5µH 3A 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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- 200mA ST Series - - -
SC-10-D05J
SC-10-D05J - COMMON MODE FILTER, 50UH, 10A

3290661

COMMON MODE FILTER, 50UH, 10A

KEMET

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50µH 10A SC-D-J Series - - -
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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26µH 2A SN Series - - -
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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15mH 3A B82724J8 Series - - -
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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330µH 2.6A B82730G Series - - -
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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100mH 350mA B82731M 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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2.7mH 4A B82723J Series - - -
744830025103
744830025103 - Choke, Common Mode, 2.5 mH, 10.3 A, WE-CMBHV Series

2696063

Choke, Common Mode, 2.5 mH, 10.3 A, WE-CMBHV Series

WURTH ELEKTRONIK

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2.5mH 10.3A WE-CMB HV Series - - -