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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TCK-050
TCK-050 - Choke, Common Mode, 325 µH, 3.3 A

2579300

Choke, Common Mode, 325 µH, 3.3 A

TRACO POWER

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1+ CNY39.60 CNY44.75 10+ CNY32.55 CNY36.78 27+ CNY30.72 CNY34.71 54+ CNY28.43 CNY32.13 108+ CNY27.99 CNY31.63 270+ CNY27.92 CNY31.55 513+ CNY27.85 CNY31.47 1026+ CNY27.78 CNY31.39 2511+ CNY27.70 CNY31.30 More Pricing...

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325µH 3.3A - - - -
RN102-2-02-1M1
RN102-2-02-1M1 - FILTER, COMMON MODE, 1.1MH, 2A, RAD

2730083

FILTER, COMMON MODE, 1.1MH, 2A, RAD

SCHAFFNER

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1+ CNY14.77 CNY16.69 10+ CNY10.38 CNY11.73 100+ CNY8.65 CNY9.77 250+ CNY8.43 CNY9.53 600+ CNY7.93 CNY8.96 1200+ CNY7.35 CNY8.31 3000+ CNY7.19 CNY8.12 5400+ CNY7.18 CNY8.11 More Pricing...

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1.1mH 2A RN Series - - -
RN112-0.8-02-10M
RN112-0.8-02-10M - FILTER, COMMON MODE, 10MH, 0.8A, RAD

2730086

FILTER, COMMON MODE, 10MH, 0.8A, RAD

SCHAFFNER

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1+ CNY12.57 CNY14.20 125+ CNY12.29 CNY13.89 250+ CNY12.03 CNY13.59

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10mH 800mA RN Series - - -
744824101
744824101 - Choke, Common Mode, Power Line, 1 mH, 10 A, WE-CMB Series

1636292

Choke, Common Mode, Power Line, 1 mH, 10 A, WE-CMB Series

WURTH ELEKTRONIK

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1+ CNY40.55 CNY45.82 3+ CNY40.34 CNY45.58 5+ CNY40.12 CNY45.34 10+ CNY39.90 CNY45.09 20+ CNY39.61 CNY44.76 50+ CNY39.32 CNY44.43 250+ CNY30.25 CNY34.18 500+ CNY27.51 CNY31.09 More Pricing...

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1mH 10A - - - -
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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1+ CNY15.89 CNY17.96 50+ CNY8.06 CNY9.11 100+ CNY7.09 CNY8.01 250+ CNY6.44 CNY7.28 500+ CNY5.52 CNY6.24 1000+ CNY5.23 CNY5.91 5000+ CNY4.94 CNY5.58 10000+ CNY4.85 CNY5.48 More Pricing...

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7.5µH 3A - - - -
RN112-2-02-1M8
RN112-2-02-1M8 - FILTER, COMMON MODE, 1.8MH, 2A, RAD

2851191

FILTER, COMMON MODE, 1.8MH, 2A, RAD

SCHAFFNER

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1+ CNY15.35 CNY17.35 10+ CNY12.54 CNY14.17 100+ CNY9.87 CNY11.15 250+ CNY9.15 CNY10.34 500+ CNY7.71 CNY8.71 2500+ CNY7.50 CNY8.48 5000+ CNY7.47 CNY8.44 More Pricing...

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1.8mH 2A RN Series - - -
RN114-4-02-1M5
RN114-4-02-1M5 - FILTER, COMMON MODE, 1.5MH, 4A, RAD

2730094

FILTER, COMMON MODE, 1.5MH, 4A, RAD

SCHAFFNER

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1+ CNY13.98 CNY15.80 10+ CNY10.81 CNY12.22 100+ CNY9.73 CNY10.99 250+ CNY9.01 CNY10.18 500+ CNY8.58 CNY9.70 1000+ CNY8.00 CNY9.04 2500+ CNY7.93 CNY8.96 5000+ CNY7.86 CNY8.88 More Pricing...

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1.5mH 4A RN Series - - -
RN112-4-02-0M7
RN112-4-02-0M7 - FILTER, COMMON MODE, 700UH, 4A, RAD

2730089

FILTER, COMMON MODE, 700UH, 4A, RAD

SCHAFFNER

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1+ CNY14.19 CNY16.03 10+ CNY12.54 CNY14.17 100+ CNY9.87 CNY11.15 250+ CNY8.65 CNY9.77 500+ CNY8.15 CNY9.21 1000+ CNY7.79 CNY8.80 2500+ CNY7.64 CNY8.63 10000+ CNY7.47 CNY8.44 More Pricing...

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700µH 4A RN Series - - -
CM5441Z161B-10
CM5441Z161B-10 - Choke, Common Mode, 75 A

2292341

Choke, Common Mode, 75 A

LAIRD

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1+ CNY30.86 CNY34.87 50+ CNY20.21 CNY22.84 100+ CNY18.60 CNY21.02 250+ CNY17.42 CNY19.68 500+ CNY16.24 CNY18.35 858+ CNY15.66 CNY17.70 4290+ CNY15.35 CNY17.35 8580+ CNY15.04 CNY17.00 More Pricing...

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- 75A CM5441 Series - - -
RN122-4-02-3M3
RN122-4-02-3M3 - FILTER, COMMON MODE, 3.3MH, 4A, RAD

2730095

FILTER, COMMON MODE, 3.3MH, 4A, RAD

SCHAFFNER

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1+ CNY20.89 CNY23.61 10+ CNY17.22 CNY19.46 25+ CNY15.99 CNY18.07 100+ CNY12.97 CNY14.66 200+ CNY12.11 CNY13.68 600+ CNY11.75 CNY13.28 1000+ CNY11.11 CNY12.55 More Pricing...

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3.3mH 4A RN Series - - -
MCAS809535-330U
MCAS809535-330U - Filter, EMI, 33 µH, 500 mA, MCAS809535 Series

1864232

Filter, EMI, 33 µH, 500 mA, MCAS809535 Series

MULTICOMP PRO

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1+ CNY1.40 CNY1.58

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33µH 500mA AS809535 - - -
RN102-1.5-02-1M6
RN102-1.5-02-1M6 - FILTER, COMMON MODE, 1.6MH, 1.5A, RAD

2851190

FILTER, COMMON MODE, 1.6MH, 1.5A, RAD

SCHAFFNER

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1+ CNY14.55 CNY16.44 10+ CNY11.89 CNY13.44 100+ CNY9.37 CNY10.59 250+ CNY8.22 CNY9.29 600+ CNY7.79 CNY8.80 1200+ CNY7.28 CNY8.23 3000+ CNY7.09 CNY8.01 5400+ CNY7.08 CNY8.00 More Pricing...

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1.6mH 1.5A RN Series - - -
RN112-1.5-02-3M3
RN112-1.5-02-3M3 - FILTER, COMMON MODE, 3.3MH, 1.5A, RAD

2730088

FILTER, COMMON MODE, 3.3MH, 1.5A, RAD

SCHAFFNER

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1+ CNY14.84 CNY16.77 10+ CNY13.69 CNY15.47 100+ CNY8.94 CNY10.10 250+ CNY8.43 CNY9.53 500+ CNY7.93 CNY8.96 1000+ CNY7.43 CNY8.40 2500+ CNY7.36 CNY8.32 5000+ CNY7.28 CNY8.23 More Pricing...

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3.3mH 1.5A RN Series - - -
744823220
744823220 - Choke, Common Mode, Power Line, 20 mH, 1.5 A, WE-CMB Series

1636291

Choke, Common Mode, Power Line, 20 mH, 1.5 A, WE-CMB Series

WURTH ELEKTRONIK

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1+ CNY37.16 CNY41.99 5+ CNY36.01 CNY40.69 10+ CNY34.86 CNY39.39 20+ CNY34.83 CNY39.36 40+ CNY34.79 CNY39.31 90+ CNY27.87 CNY31.49 450+ CNY25.71 CNY29.05 900+ CNY25.64 CNY28.97 More Pricing...

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20mH 1.5A WE-CMB Series - - -
CM3440Z171R-10
CM3440Z171R-10 - Choke, Common Mode, 20 A

2292327

Choke, Common Mode, 20 A

LAIRD

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1+ CNY16.47 CNY18.61 10+ CNY13.74 CNY15.53 50+ CNY13.01 CNY14.70 200+ CNY12.28 CNY13.88 400+ CNY11.84 CNY13.38 750+ CNY8.97 CNY10.14 3750+ CNY8.76 CNY9.90 7500+ CNY8.59 CNY9.71 More Pricing...

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- 20A CM3440 Series - - -
7448053201
7448053201 - Choke, Common Mode, Power Line, 900 µH, 32 A, WE-CMBNC Series

2431589

Choke, Common Mode, Power Line, 900 µH, 32 A, WE-CMBNC Series

WURTH ELEKTRONIK

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1+ CNY119.89 CNY135.48 3+ CNY118.27 CNY133.65 5+ CNY116.64 CNY131.80 10+ CNY115.01 CNY129.96 20+ CNY113.38 CNY128.12 50+ CNY111.75 CNY126.28 250+ CNY106.61 CNY120.47 500+ CNY101.46 CNY114.65 More Pricing...

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900µH 32A WE-CMBNC Series - - -
RN102-0.6-02-4M4
RN102-0.6-02-4M4 - FILTER, COMMON MODE, 4.4MH, 0.6A, RAD

2730081

FILTER, COMMON MODE, 4.4MH, 0.6A, RAD

SCHAFFNER

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1+ CNY14.55 CNY16.44 10+ CNY10.23 CNY11.56 100+ CNY8.51 CNY9.62 250+ CNY8.29 CNY9.37 600+ CNY7.79 CNY8.80 1200+ CNY7.21 CNY8.15 3000+ CNY7.09 CNY8.01 5400+ CNY7.08 CNY8.00 More Pricing...

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4.4mH 600mA RN Series - - -
B82721K2282U030
B82721K2282U030 - Choke, Power Line, Double, Ring Core, 400 µH, 2.8 A, B82721K Series

2777831

Choke, Power Line, Double, Ring Core, 400 µH, 2.8 A, B82721K Series

EPCOS

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1+ CNY20.75 CNY23.45 10+ CNY18.87 CNY21.32 50+ CNY15.85 CNY17.91 200+ CNY12.83 CNY14.50 400+ CNY12.11 CNY13.68 720+ CNY10.95 CNY12.37 3600+ CNY10.59 CNY11.97 7200+ CNY10.02 CNY11.32 More Pricing...

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400µH 2.8A B82721K Series - - -
7448258022
7448258022 - Choke, Common Mode, Power Line, 2.2 µH, 8A, WE-CMB Series

2894618

Choke, Common Mode, Power Line, 2.2 µH, 8A, WE-CMB Series

WURTH ELEKTRONIK

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1+ CNY45.59 CNY51.52 2+ CNY45.41 CNY51.31 3+ CNY45.23 CNY51.11 5+ CNY45.05 CNY50.91 10+ CNY44.87 CNY50.70 20+ CNY35.58 CNY40.21 50+ CNY35.19 CNY39.76 100+ CNY34.79 CNY39.31 More Pricing...

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2.2mH 8A WE-CMB Series - - -
CM3440Z171R-10
CM3440Z171R-10 - Choke, Common Mode, 20 A

2292327RL

Choke, Common Mode, 20 A

LAIRD

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50+ CNY13.01 CNY14.70 200+ CNY12.28 CNY13.88 400+ CNY11.84 CNY13.38 750+ CNY8.97 CNY10.14 3750+ CNY8.76 CNY9.90 7500+ CNY8.59 CNY9.71 More Pricing...

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- 20A CM3440 Series - - -
HA19-10000LF
HA19-10000LF - Choke, Common Mode, Suppression, 75 µH, 26.5 A, HA19 Series

2896252

Choke, Common Mode, Suppression, 75 µH, 26.5 A, HA19 Series

TT ELECTRONICS / BI TECHNOLOGIES

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1+ CNY30.83 CNY34.84 2+ CNY29.21 CNY33.01 3+ CNY27.59 CNY31.18 5+ CNY25.97 CNY29.35 10+ CNY24.35 CNY27.52 20+ CNY23.10 CNY26.10 50+ CNY21.85 CNY24.69 100+ CNY20.60 CNY23.28 More Pricing...

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75µH 26.5A HA19 Series - - -
RN102-1-02
RN102-1-02 - Choke, Current-Compensated, 3 mH, 1 A, RN Series

1191462

Choke, Current-Compensated, 3 mH, 1 A, RN Series

SCHAFFNER

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1+ CNY25.18 CNY28.45 10+ CNY17.61 CNY19.90 50+ CNY13.05 CNY14.75 100+ CNY11.59 CNY13.10 200+ CNY10.22 CNY11.55 600+ CNY9.58 CNY10.83 3000+ CNY9.31 CNY10.52 More Pricing...

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3mH 1A RN 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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1+ CNY43.14 CNY48.75 10+ CNY33.06 CNY37.36 50+ CNY31.26 CNY35.32 100+ CNY29.46 CNY33.29 500+ CNY27.73 CNY31.33 1300+ CNY27.15 CNY30.68 2600+ CNY26.43 CNY29.87 More Pricing...

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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+ CNY33.12 CNY37.43 10+ CNY29.84 CNY33.72 50+ CNY26.29 CNY29.71 100+ CNY23.80 CNY26.89 250+ CNY21.18 CNY23.93 500+ CNY21.13 CNY23.88 More Pricing...

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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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1+ CNY22.23 CNY25.12 10+ CNY14.54 CNY16.43 100+ CNY14.03 CNY15.85 300+ CNY13.23 CNY14.95 500+ CNY12.50 CNY14.13 1000+ CNY11.70 CNY13.22 2500+ CNY11.52 CNY13.02 More Pricing...

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7.5µH 3A SH Series - - -