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Radial Leaded Common Mode Chokes / Filters:

2,845 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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1636318

RoHS

Date/Lot Code

Each
1+
CHF 1.770
5+
CHF 1.660
10+
CHF 1.550
25+
CHF 1.340
50+
CHF 1.240
Min: 1 / Mult: 1
42mH
450mA
-
WE-FC Series
-
-
-
-
1704101

RoHS

Date/Lot Code

Each
1+
CHF 5.350
10+
CHF 4.640
50+
CHF 4.160
100+
CHF 3.770
200+
CHF 3.440
More Pricing...
Min: 1 / Mult: 1
1mH
10A
-
8100 Series
-
-
-
-
2364247

RoHS

Each
1+
CHF 3.020
30+
CHF 2.500
60+
CHF 2.370
Min: 1 / Mult: 1
1mH
1A
-
SC-GS Series
-
-
-
-
2949430

RoHS

Date/Lot Code

Each
1+
CHF 2.170
10+
CHF 1.820
50+
CHF 1.610
100+
CHF 1.400
500+
CHF 1.220
Min: 1 / Mult: 1
125µH
2A
-
SN Series
-
-
-
-
2949361

RoHS

Date/Lot Code

Each
1+
CHF 1.840
10+
CHF 1.600
90+
CHF 1.410
180+
CHF 1.230
540+
CHF 1.070
More Pricing...
Min: 1 / Mult: 1
190mH
300mA
-
SSR21NV-M Series
-
-
-
-
3580841

RoHS

Date/Lot Code

Each
1+
CHF 2.210
10+
CHF 1.850
50+
CHF 1.640
200+
CHF 1.460
400+
CHF 1.400
More Pricing...
Min: 1 / Mult: 1
27mH
400mA
-
B82721K Series
-
-
-
-
3290673

RoHS

Each
1+
CHF 6.840
10+
CHF 5.650
Min: 1 / Mult: 1
1.5mH
12A
-
SC-J Series
-
-
-
-
3580941

RoHS

Each
1+
CHF 7.610
5+
CHF 6.620
10+
CHF 6.080
20+
CHF 5.680
40+
CHF 5.440
More Pricing...
Min: 1 / Mult: 1
600µH
26A
-
B82726E Series
-
-
-
-
1187664

RoHS

Each
1+
CHF 4.770
5+
CHF 4.430
10+
CHF 4.040
20+
CHF 3.800
40+
CHF 3.580
More Pricing...
Min: 1 / Mult: 1
18mH
1A
-
CMV Series
-
-
-
-
2949471

RoHS

Each
1+
CHF 2.870
10+
CHF 2.410
60+
CHF 2.290
Min: 1 / Mult: 1
26µH
2A
-
SN-JB Series
-
-
-
-
3011681

RoHS

Each
1+
CHF 3.710
40+
CHF 2.730
80+
CHF 2.590
120+
CHF 2.430
Min: 1 / Mult: 1
1.5mH
9A
-
SCR Series
-
-
-
-
2945286

RoHS

Each
1+
CHF 1.210
10+
CHF 0.996
60+
CHF 0.847
Min: 1 / Mult: 1
14mH
1.1A
-
SSR10H Series
-
-
-
-
3290858

RoHS

Each
1+
CHF 1.020
10+
CHF 0.870
50+
CHF 0.792
Min: 1 / Mult: 1
17.99µH
2.5A
-
SU-9HD Series
-
-
-
-
3227466

RoHS

Each
1+
CHF 1.600
10+
CHF 1.340
Min: 1 / Mult: 1
-
200mA
-
ST Series
-
-
-
-
3225669

RoHS

Each
1+
CHF 22.660
Min: 1 / Mult: 1
2mH
25A
-
DKIH-4 Series
-
-
-
-
2860661

RoHS

Each
1+
CHF 1.170
10+
CHF 1.060
Min: 1 / Mult: 1
8.8mH
1.3A
-
SSHB10H Series
-
-
-
-
3365716

RoHS

Date/Lot Code

Each (Supplied on Cut Tape)
Cut Tape
10+
CHF 0.745
50+
CHF 0.662
100+
CHF 0.559
500+
CHF 0.474
1000+
CHF 0.473
Min: 10 / Mult: 10
60µH
500mA
-
SBT Series
-
-
-
-
1636313

RoHS

Each
1+
CHF 1.550
5+
CHF 1.460
10+
CHF 1.360
25+
CHF 1.260
50+
CHF 1.190
More Pricing...
Min: 1 / Mult: 1
4.9mH
1.2A
-
WE-FC Series
-
-
-
-
3290763

RoHS

Each
1+
CHF 18.690
5+
CHF 17.720
12+
CHF 16.860
Min: 1 / Mult: 1
2.8mH
40A
-
SCF Three Phase Series
-
-
-
-
3290616

RoHS

Each
1+
CHF 2.980
10+
CHF 2.530
Min: 1 / Mult: 1
650µH
7A
-
SC Series
-
-
-
-
3290555

RoHS

Each
1+
CHF 3.120
30+
CHF 2.580
Min: 1 / Mult: 1
6.3mH
4A
-
SC-JH Series
-
-
-
-
2949462

RoHS

Each
1+
CHF 4.500
10+
CHF 3.930
50+
CHF 3.540
Min: 1 / Mult: 1
108µH
8A
-
SN-J Series
-
-
-
-
2949393

RoHS

Each
1+
CHF 1.550
10+
CHF 1.340
Min: 1 / Mult: 1
47.5mH
800mA
-
SSR21NVS-M Series
-
-
-
-
2949456

RoHS

Each
1+
CHF 3.220
10+
CHF 2.540
50+
CHF 2.170
Min: 1 / Mult: 1
40µH
3A
-
SN-J Series
-
-
-
-
2949423

RoHS

Date/Lot Code

Each
1+
CHF 1.220
10+
CHF 1.040
50+
CHF 0.907
100+
CHF 0.792
500+
CHF 0.707
More Pricing...
Min: 1 / Mult: 1
25µH
2A
-
SN Series
-
-
-
-
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