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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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

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2.7mH 4A - - - - - -
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 - - - - - -
B82724A2402N001
B82724A2402N001 - Choke, Power Line, Double, Ring Core, 3.3 mH, 4 A, B82724A Series

1644810

Choke, Power Line, Double, Ring Core, 3.3 mH, 4 A, B82724A Series

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3.3mH 4A - B82724A Series - - - -
SU9V-05020
SU9V-05020 - Choke, Common Mode, Suppression, 2 mH, 500 mA, SU9V Series

9265821

Choke, Common Mode, Suppression, 2 mH, 500 mA, SU9V Series

MULTICOMP PRO

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2mH 500mA - - - - - -
B82731M2501A030
B82731M2501A030 - Choke, Power Line, Double, D Core, 47 mH, 500 mA, B82731M Series

1644838

Choke, Power Line, Double, D Core, 47 mH, 500 mA, B82731M Series

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47mH 500mA - - - - - -
SN12HP-2201
SN12HP-2201 - AC LINE FILTER, 20UH, 10A, TH

2949453

AC LINE FILTER, 20UH, 10A, TH

KEMET

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20µH 10A - - - - - -
SC-07-D005
SC-07-D005 - COMMON MODE FILTER, 45UH, 7A

3290626

COMMON MODE FILTER, 45UH, 7A

KEMET

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45µH 7A - - - - - -
SCR-100-1R2A010JH
SCR-100-1R2A010JH - Choke, Common Mode, 1 mH, 10 A, 250 VAC/VDC, Radial Leaded, SCR Series

3011684

Choke, Common Mode, 1 mH, 10 A, 250 VAC/VDC, Radial Leaded, SCR Series

KEMET

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1mH 10A - - - - - -
SC-20-01J-A
SC-20-01J-A - COMMON MODE FILTER, 0.15MH, 20A

3290711

COMMON MODE FILTER, 0.15MH, 20A

KEMET

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150µH 20A - - - - - -
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

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100mH 350mA - B82731M Series - - - -
B82720K2202N040
B82720K2202N040 - Choke, Power Line, Double, Ring Core, 1.1 mH, 2 A, B82720K Series

1644788

Choke, Power Line, Double, Ring Core, 1.1 mH, 2 A, B82720K Series

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1.1mH 2A - B82720K Series - - - -
B82623G0001A011
B82623G0001A011 - Choke, Power Line, Ring Core, 33 µH, 3 A, B82623 Series

1644778

Choke, Power Line, Ring Core, 33 µH, 3 A, B82623 Series

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33µH 3A - B82623 Series - - - -
B82731M2112A030
B82731M2112A030 - Choke, Power Line, Double, D Core, 10 mH, 1.1 A, B82731M Series

1644834

Choke, Power Line, Double, D Core, 10 mH, 1.1 A, B82731M Series

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10mH 1.1A - B82731M Series - - - -
B82732R2172B030
B82732R2172B030 - Choke, Power Line, Double, D Core, 6.8 mH, 1.7 A, B82732R Series

2834147

Choke, Power Line, Double, D Core, 6.8 mH, 1.7 A, B82732R Series

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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 - - - - - -
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 - - - -
B82725A2602N001
B82725A2602N001 - Common Mode Choke, Power Line, Ring Core, 3.9 mH, 6 A

3580934

Common Mode Choke, Power Line, Ring Core, 3.9 mH, 6 A

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3.9mH 6A - B82725A 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 - - - - - -
7448011305
7448011305 - Choke, Common Mode, Power Line, 5 mH, 1.3 A, WE-CMBNC Series

2431564

Choke, Common Mode, Power Line, 5 mH, 1.3 A, WE-CMBNC Series

WURTH ELEKTRONIK

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5mH 1.3A - WE-CMBNC Series - - - -
SS11VL-06180
SS11VL-06180 - Filter, Line, Common Mode, AC, High Frequency, 18 mH, SS11VL Series

2364280

Filter, Line, Common Mode, AC, High Frequency, 18 mH, SS11VL Series

KEMET

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18mH 600mA - SS11VL Series - - - -
B82724J8672N040
B82724J8672N040 - Choke, Common Mode, Power Line, 2.2 mH, 6.7 A, B82724J8 Series

2903778

Choke, Common Mode, Power Line, 2.2 mH, 6.7 A, B82724J8 Series

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2.2mH 6.7A - - - - - -
SBT-0208
SBT-0208 - DC LINE FILTER, 8UH, 0.5A, TH

3227435

DC LINE FILTER, 8UH, 0.5A, TH

KEMET

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8µH 500mA - - - - - -
SN8D-500
SN8D-500 - Choke, Common Mode, Through Hole, 125 µH, 2 A, 250 VAC, Through Hole, SN Series

2949430

Choke, Common Mode, Through Hole, 125 µH, 2 A, 250 VAC, Through Hole, SN Series

KEMET

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125µH 2A - - - - - -
SSR10H-06475
SSR10H-06475 - Choke, Common Mode, 47.5 mH, 600 mA, 250VAC , 1.3 ohm, Through Hole, SSR Series

2945282

Choke, Common Mode, 47.5 mH, 600 mA, 250VAC , 1.3 ohm, Through Hole, SSR Series

KEMET

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47.5mH 600mA - - - - - -
SH-301
SH-301 - Choke, Common Mode, Through Hole, 3.2 µH, 3 A, 250 VAC, Through Hole, SH Series

2949495

Choke, Common Mode, Through Hole, 3.2 µH, 3 A, 250 VAC, Through Hole, SH Series

KEMET

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3.2µH 3A - SH Series - - - -