Radial Leaded Common Mode Chokes / Filters
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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?
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.
| Manufacturer Part No | Order Code | Description / Manufacturer | Availability | Price For |
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7448031002
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2431572 |
Choke, Common Mode, Power Line, 2 mH, 10 A, WE-CMBNC Series WURTH ELEKTRONIK
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1+ ¥1,799.70 (¥1,979.67) 5+ ¥1,726.91 (¥1,899.60) 10+ ¥1,654.11 (¥1,819.52) 20+ ¥1,486.00 (¥1,634.60) 40+ ¥1,483.29 (¥1,631.62) 90+ ¥1,237.43 (¥1,361.17) More Pricing... |
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SBT-0180W
|
9265791 |
Choke, Suppression, 80 µH, 500 mA, SBT Series MULTICOMP PRO
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80µH | 500mA | Multicomp Pro Chokes | - | - | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
TCK-050
|
2579300 |
Choke, Common Mode, 325 µH, 3.3 A TRACO POWER
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325µH | 3.3A | TCK Series | - | - | - | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SCF25XV-220-1R9A007JH
|
3941948 |
Filter, Common Mode Choke, SCF Series, 1.2mH, 22A, Radial Leaded, Horizontal KEMET
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SU9HF-02100
|
4073655 |
Common Mode Choke, 200 mA, 10 mH, SU-9HF Series KEMET
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SBT-0140W
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9265783 |
Choke, Suppression, 40 µH, 500 mA, SBT Series MULTICOMP PRO
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744821201
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1636278 |
Choke, Common Mode, Power Line, 1 mH, 2 A, WE-CMB Series WURTH ELEKTRONIK
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SH-302
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9265805 |
Choke, Common Mode, 7.5 µH, 3 A, SH Series MULTICOMP PRO
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B82722A2102N001
|
1223075 |
Choke, Power Line, Double, Ring Core, 10 mH, 1 A, B82722A Series EPCOS
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CMV60
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1187667 |
Choke, Common Mode, 1.4 mH, 6 A, CMV Series ROXBURGH EMC
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SU9V-07010
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9265830 |
Choke, Common Mode, Suppression, 1 mH, 700 mA, SU9V Series MULTICOMP PRO
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MCT25X15X15C-502NU
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1864501 |
Choke, Common Mode, 5 mH, 6 A, MCT25 Series MULTICOMP PRO
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CM5441Z161B-10
|
2292341 |
Choke, Common Mode, 75 A LAIRD
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- | 75A | CM5441 Series | - | - | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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744823601
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1636288 |
Choke, Common Mode, Power Line, 1 mH, 6 A, WE-CMB Series WURTH ELEKTRONIK
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7448012501
|
2431566 |
Choke, Common Mode, Power Line, 1 mH, 2.5 A, WE-CMBNC Series WURTH ELEKTRONIK
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7448031501
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2431573 |
Choke, Common Mode, Power Line, 1 mH, 15 A, WE-CMBNC Series WURTH ELEKTRONIK
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CMV20
|
1187665 |
Choke, Common Mode, 7.5 mH, 2 A, CMV Series ROXBURGH EMC
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1+ ¥939.44 (¥1,033.38) 10+ ¥848.17 (¥932.99) 50+ ¥750.22 (¥825.24) 100+ ¥677.87 (¥745.66) 250+ ¥606.78 (¥667.46) |
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7.5mH | 2A | CMV Series | - | - | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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7448014501
|
2431568 |
Choke, Common Mode, Power Line, 400 µH, 4.5 A, WE-CMBNC Series WURTH ELEKTRONIK
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400µH | 4.5A | WE-CMBNC Series | - | - | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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7448051804
|
2431586 |
Choke, Common Mode, Power Line, 4.5 mH, 18 A, WE-CMBNC Series WURTH ELEKTRONIK
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1+ ¥2,500.67 (¥2,750.74) 3+ ¥2,500.17 (¥2,750.19) 5+ ¥2,499.67 (¥2,749.64) 10+ ¥2,499.17 (¥2,749.09) 20+ ¥2,449.19 (¥2,694.11) 50+ ¥2,399.21 (¥2,639.13) More Pricing... |
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SSRH7H-M15043
|
2860628 |
Choke, Common Mode, Through Hole, 4.3 mH, 1.5 A, SSRH7H-M Series KEMET
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CMV30
|
1187717 |
Choke, Common Mode, 3.2 mH, 3 A, CMV Series ROXBURGH EMC
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3.2mH | 3A | CMV Series | - | - | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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7448041104
|
2431578 |
Choke, Common Mode, Power Line, 4 mH, 11 A, WE-CMBNC Series WURTH ELEKTRONIK
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SU9V-R02140
|
2364377 |
Filter, Line, Common Mode, AC, 14 mH, SU 9V Series KEMET
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1+ ¥189.13 (¥208.04) 10+ ¥171.12 (¥188.23) 75+ ¥167.46 (¥184.21) 150+ ¥163.80 (¥180.18) 525+ ¥160.14 (¥176.15) 1050+ ¥156.48 (¥172.13) More Pricing... |
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14mH | 200mA | SU-9V Series | - | - | - | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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B82725A2802N001
|
1219117 |
Choke, Power Line, Double, Ring Core, 2.7 mH, 8 A, B82725A Series EPCOS
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B82721A2152N001
|
1644794 |
Choke, Power Line, Double, Ring Core, 3.3 mH, 1.5 A, B82721A Series EPCOS
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