Radial Leaded Common Mode Chokes / Filters:

2,000 Products Found
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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ComparePrice ForQuantity
1748654

RoHS

Each
1+
$7.880
($9.062)
5+
$7.810
($8.9815)
10+
$7.720
($8.878)
20+
$7.180
($8.257)
40+
$6.630
($7.6245)
More Pricing...
Min: 1 / Mult: 1
1mH
2A
WE-LF Series
-
-
-
1219128

RoHS

Each
1+
$4.850
($5.5775)
10+
$4.000
($4.600)
50+
$3.480
($4.002)
100+
$3.470
($3.9905)
200+
$3.280
($3.772)
More Pricing...
Min: 1 / Mult: 1
10mH
2.6A
B82734R Series
-
-
-
2364371

RoHS

Each
10+
$1.830
($2.1045)
50+
$1.640
($1.886)
100+
$1.380
($1.587)
500+
$1.300
($1.495)
1000+
$1.250
($1.4375)
More Pricing...
Min: 10 / Mult: 10
5mH
300mA
SU-9V Series
-
-
-
1748620

RoHS

Each
1+
$15.810
($18.1815)
3+
$15.740
($18.101)
5+
$15.650
($17.9975)
10+
$15.560
($17.894)
20+
$13.950
($16.0425)
More Pricing...
Min: 1 / Mult: 1
32µH
8.5A
WE-CMB Series
-
-
-
1636293

RoHS

Each
1+
$9.480
($10.902)
3+
$9.280
($10.672)
5+
$9.060
($10.419)
10+
$8.850
($10.1775)
20+
$8.830
($10.1545)
More Pricing...
Min: 1 / Mult: 1
2.2mH
6A
WE-CMB Series
-
-
-
1219105

RoHS

Each
1+
$4.850
($5.5775)
10+
$3.230
($3.7145)
50+
$3.190
($3.6685)
100+
$3.140
($3.611)
200+
$3.100
($3.565)
More Pricing...
Min: 1 / Mult: 1
5.6mH
2A
B82723J Series
-
-
-
2364222

RoHS

Each
1+
$3.060
($3.519)
10+
$2.680
($3.082)
50+
$2.480
($2.852)
100+
$2.240
($2.576)
500+
$1.990
($2.2885)
More Pricing...
Min: 1 / Mult: 1
37mH
300mA
SU-10VFC-R Series
-
-
-
1644810

RoHS

Each
1+
$5.720
($6.578)
10+
$3.970
($4.5655)
25+
$3.960
($4.554)
50+
$3.950
($4.5425)
100+
$3.940
($4.531)
More Pricing...
Min: 1 / Mult: 1
3.3mH
4A
B82724A Series
-
-
-
1219123

RoHS

Each
1+
$3.780
($4.347)
50+
$2.600
($2.990)
100+
$2.560
($2.944)
250+
$2.510
($2.8865)
500+
$2.450
($2.8175)
More Pricing...
Min: 1 / Mult: 1
3.3mH
2.2A
B82732R Series
-
-
-
1636296

RoHS

Each
1+
$9.560
($10.994)
3+
$9.550
($10.9825)
5+
$9.530
($10.9595)
10+
$9.510
($10.9365)
20+
$9.490
($10.9135)
More Pricing...
Min: 1 / Mult: 1
20mH
2A
WE-CMB Series
-
-
-
2364392

RoHS

Each
1+
$3.520
($4.048)
10+
$3.200
($3.680)
50+
$2.980
($3.427)
100+
$2.590
($2.9785)
500+
$2.520
($2.898)
More Pricing...
Min: 1 / Mult: 1
30µH
3A
SU-16VD Series
-
-
-
1644838

RoHS

Each
1+
$3.430
($3.9445)
50+
$2.480
($2.852)
100+
$2.470
($2.8405)
250+
$2.460
($2.829)
500+
$2.450
($2.8175)
More Pricing...
Min: 1 / Mult: 1
47mH
500mA
B82731M Series
-
-
-
1890691

RoHS

Each
1+
$7.330
($8.4295)
5+
$7.100
($8.165)
10+
$6.850
($7.8775)
20+
$6.350
($7.3025)
40+
$5.850
($6.7275)
More Pricing...
Min: 1 / Mult: 1
1.8mH
1A
WE-TFC Series
-
-
-
1864229

RoHS

Each
1+
$0.907
($1.043)
50+
$0.490
($0.5635)
100+
$0.387
($0.445)
250+
$0.347
($0.399)
500+
$0.328
($0.3772)
More Pricing...
Min: 1 / Mult: 1
80µH
500mA
-
-
-
-
1219104

RoHS

Each
1+
$4.850
($5.5775)
10+
$4.000
($4.600)
50+
$3.360
($3.864)
100+
$3.280
($3.772)
200+
$3.210
($3.6915)
More Pricing...
Min: 1 / Mult: 1
27mH
1A
B82723J Series
-
-
-
1644840

RoHS

Each
1+
$3.430
($3.9445)
50+
$3.250
($3.7375)
100+
$3.060
($3.519)
250+
$2.870
($3.3005)
500+
$2.680
($3.082)
More Pricing...
Min: 1 / Mult: 1
27mH
700mA
B82731M Series
-
-
-
1748662

RoHS

Each
1+
$8.650
($9.9475)
5+
$8.560
($9.844)
10+
$8.470
($9.7405)
20+
$8.410
($9.6715)
40+
$8.340
($9.591)
More Pricing...
Min: 1 / Mult: 1
27mH
400mA
WE-LF Series
-
-
-
2431563

RoHS

Each
1+
$12.330
($14.1795)
10+
$12.050
($13.8575)
25+
$11.770
($13.5355)
50+
$11.480
($13.202)
100+
$10.850
($12.4775)
More Pricing...
Min: 1 / Mult: 1
8mH
1A
WE-CMBNC Series
-
-
-
2493126

RoHS

Each
1+
$24.340
($27.991)
2+
$24.140
($27.761)
3+
$23.930
($27.5195)
5+
$23.730
($27.2895)
10+
$23.510
($27.0365)
More Pricing...
Min: 1 / Mult: 1
220µH
12A
WE-ExB Series
-
-
-
2458142

RoHS

Each
1+
$4.590
($5.2785)
5+
$4.260
($4.899)
10+
$3.910
($4.4965)
20+
$3.510
($4.0365)
40+
$3.110
($3.5765)
More Pricing...
Min: 1 / Mult: 1
15mH
150mA
BU9S Series
-
-
-
2431574

RoHS

Each
1+
$23.240
($26.726)
3+
$22.670
($26.0705)
5+
$22.090
($25.4035)
10+
$21.500
($24.725)
20+
$20.920
($24.058)
More Pricing...
Min: 1 / Mult: 1
82mH
2.5A
WE-CMBNC Series
-
-
-
2431565

RoHS

Each
1+
$17.130
($19.6995)
10+
$17.030
($19.5845)
25+
$16.930
($19.4695)
50+
$14.960
($17.204)
100+
$13.890
($15.9735)
More Pricing...
Min: 1 / Mult: 1
1.6mH
2A
WE-CMBNC Series
-
-
-
2292333RL

RoHS

Each
Packaging Options
50+
$2.980
($3.427)
200+
$2.810
($3.2315)
400+
$2.350
($2.7025)
800+
$2.180
($2.507)
Min: 100 / Mult: 1
-
10A
CM4545 Series
-
-
-
2451900

RoHS

Each
1+
$20.940
($24.081)
10+
$17.240
($19.826)
25+
$15.940
($18.331)
50+
$15.040
($17.296)
100+
$14.100
($16.215)
More Pricing...
Min: 1 / Mult: 1
176µH
62A
CMX1616 Series
-
-
-
2431594

RoHS

Each
1+
$41.410
($47.6215)
2+
$41.400
($47.610)
3+
$41.390
($47.5985)
5+
$41.370
($47.5755)
10+
$41.360
($47.564)
More Pricing...
Min: 1 / Mult: 1
7mH
15A
WE-CMBNC Series
-
-
-
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