Electromagnetic Interference Filters of 2025
Best Choice1
uxcell29% OffUxcell AC 115/250V 20A CW4L2-20A-S Noise Suppressor Power EMI Filter
Main highlights- Working Voltage : AC 115/250V, 50/60Hz;Rated Current : 20A
- Product Name : AC Power Line EMI Filter;Model No. : CW4L2-20A-S
- Net Weight : 176g;Package Content : 1 x AC Power Line EMI Filter
- Installing Hole Size(Approx) : Distance: 7.5cm / 3"Diameter: 5mm/0.2";Size(Approx) : 6 x 5.5 x 3cm / 2.4" x 2.2" x 1.2"(L* W*H)
- External Material : Metal;Color : Silver Tone, Black
9.8Exceptional
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Value for Money2
DachangshundAC 115/250V 20A CW4L2-20A-S Noise Suppressor Power EMI Filter
Main highlights- Working Voltage : AC 115/250V, 50/60Hz;Rated Current : 20A
- Product Name : AC Power Line EMI Filter;Model No. : CW4L2-20A-S
- Net Weight : 176g;Package Content : 1 x AC Power Line EMI Filter
- Installing Hole Size(Approx) : Distance: 7.5cm / 3"Diameter: 5mm/0.2";Size(Approx) : 6 x 5.5 x 3cm / 2.4" x 2.2" x 1.2"(L* W*H)
- External Material : Metal;Color : Silver Tone, Black
9.7Exceptional
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3
FeFu20Pcs Clip-on Ferrite Ring Core RFI EMI Noise Suppressor Cable Clip for 3mm/ 5mm/ 7mm/ 9mm/ 13mm Diameter Cable, Black
Why we love it
Reduces electromagnetic interference effectively.
Enhances signal clarity.
Versatile for various cable sizes.
9.5Excellent
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4
XShineXShine (Pack of 20pcs) Clip-on Ferrite Ring Core RFI EMI Noise Suppressor Cable Clip for 3mm/ 5mm/ 7mm/ 9mm/ 13mm Diameter Cable, Black
Main highlights- 【Well Made】 Made of high quality plastic housing and Ni-Zn ferrite core, with inner self-adaption clips can mount on cables tightly. This Noise Suppressor can be widely used on a variety of Data cables, e.g. USB cables, telephone lines, aerial feed, satellite cables, network cables to shield from external electromagnetic interference
- 【Reusable Noise Filter】It can be directly applied to a power line.In order to suppress electromagnetic radiation more effectively, the cable can be repeatedly twined around twice and please install them in place near the interference source
- 【Package Included】20 cable clips, with 5 different size 3/ 5/ 7/ 9/ 13 mm inner diameter
- 【Easily Mount】Easy to install with double snap clips, the ferrite cores come in two split halves, just snap them on the cables, you will get clearer signal and faster data transmission
- 【Application Occasion】These noise filters can be widely used on car DVR, headset cable, loudspeaker cable, mouse cable, keyboard cable, USB cable video cable,audio cable,data cable, etc.
9.2Excellent
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5
IEUYOIEUYO Clip-on Ferrite Ring Cores EMI RFI Signal Noise Filter Noise Suppressor for HDMI USB Power Cable Diameter 3mm/5mm/7mm/9mm/13mm,5Size,22Pcs
Main highlights- 5. All Pieces Come in a Reusable Transparent Box, Easy to store.
- 4. Clip-on Design, Easy to Install and Change.
- 3.Ferrite Bead Choke Widely Used on a Variety of Data Cables, e.g. USB Cables, Telephone Lines, Aerial Feed, Satellite Cables, Network Cables to Shield from External Electromagnetic Interference;Reduce Electro-magnetic Interference and Improve Signal Integrity.
- 2.Snap on Ferrite Core with Plastic Housing; Helps to Reduce EMI on AC Power Lines.
- 1.Package Included: 22PCS Snap on Ferrite Ring Cores Cable Clips with 5 Different Size 3.5mm/ 5mm/ 7mm/ 9mm/ 13 mm inner diameter.
8.9Very Good
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6
VSKEYClip-on Noise Filter,VSKEY [10pcs 3mm] Anti-Interference High-Frequency Ferrite Core Choke Clip for Telephones,Tvs,Speakers,Radio,Audio Equipment Noise Suppressor (3mm Inner Diameter)
Main highlights- 【Packaging Includes】10PCS X 3.5mm (0.14 inch) inner diameter Noise Filter.（ VSKEY noise filter offer friendly customer service.If you're not completely satisfied, simply let us know and we will offer a prompt refund or replacement）
- *This RFI EMI Noise Filter 3.5mm(0.14inch) inner diameter: Suitable for Diameter 0.06-0.13in(1.5mm-3.5mm) cables, Application Occasion:Clip them on AC power lines,Car DVR, Headset Cable, Keyboard Cable, Mouse Cable, USB Cable,Audio cable,speaker/Telephone Cable etc.
- *This Noise Filter 3.5mm (0.14inch) inner diameter: Suitable for Diameter 0.06-0.13in(1.5mm-3.5mm) cables, *These ferrite core noise Filter,superb at reducing EMI / RFI high frequency interference caused by home appliances and electronics.Effectively screen electromagnetic interference and filter out high-frequency noise pulses.the more effectively improve the signal quality of audio and video. (Please ensure that the sound is not caused by equipment failure.)
- *This Noise Filter 0.14inch inner diameter: Suitable for Diameter 0.06-0.13in cables *Easy to install with double snap clips,can be dismountable,Just snap clip it on to a cable easily,Stop EMI and RFI effectively.and get clearer signal and audio sound quality.(Please ensure that the sound is not caused by equipment failure.)
- *The ferrite cores come in two split halves, and clamp on to the cable whether it has a connector, or is hard wired to equipment. Install the ferrite core at the equipment side of the cable. If a cable has equipment that needs to be protected on both sides, install one at each end.(Depending upon circumstances, identifying and troubleshooting both of affected and offending devices are necessary for successful installation.)
8.8Very Good
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7
uxcelluxcell 3.5-5mm Ferrite Cores Ring Clip-On RFI EMI Noise Suppression Filter Cable Clip, Black 10pcs
Main highlights- 【Wide Application】Mainly used for electronic connecting wire, air conditioner, PC, AC power lines, video and audio cable, telephone line, and other home appliances etc.
- 【Specification】Size: 5mm (Suitable for 3.5-5.0mm cables); Package Includes: 10 x Ferrite Core Ring; TIPS: There is a tolerance of 0.8mm and it is recommended for use in cables smaller than the maximum diameter range.
- 【Reduce Single Interference】The ferrite core effectively helps in reducing electromagnetic interference(EMI) and RF interference(RFI), and get clearer signal and audio quality.
- 【Detachable and Reusable】Clip on wire and removable easily. It won't cause any distortion during signal transmission.
- 【Better Shielding】If the wire is too thin too loose or you want get better anti-interference effect, you could wrap it around more.
8.7Very Good
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8
HNNUYNoise Suppressor Power EMI Filter Termianl Single-Phase Line-Conditioner JREle AC 115/250V 20A CW4L2-20A-S
Main highlights- The equipment of laboratory, Communication transmission system equipment, Uninterruptible Power Supply, Medical equipment, Servo frequency control equipment, Automation equipment,Precision machinery
- Rated Voltage 125/250VAC,Operation Frequency 50/60Hz,Rated Current 1-20A
- Notice: The filter must be connect the ground wires ,otherwise, the effect shall be reduced by 50%.
- Hi-pot Test,1450VDC 2sec (L to N) ,1450VDC 2sec (L to N) ,1500VAC 2sec (L/N to G),Working Temperature 25/85/21 (-25¡ãC to +85¡ãC)
8.6Very Good
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9
PILULYPower Filters 20A LC Filter Electromagnetic Interference Filter High Frequency Power Filtering for 12V 24V Car Accessories
Main highlights- The shortest design of the high current circuit, can withstand high-current, and have less interference to the outside world.
- The circuit is compose of three part, the first part is a first-level LC filter circuit, the second part is a common modes filter, and the third part is a second-level LC filter circuit.
- Suitable for eliminating power supply with electromagnetic interference, and can be used in automobiles, treadmills, generators, motorcycles, etc.
- LC filter is generally call passive filter. It is a traditional power harmonics compensation device compose of inductors and capacitors. It can filter out the harmonics in power supply single or multiple-time. Purify power supply.
- Common modes filtering. It can be used to suppress the problem of fast-transient group pulse interference with a repetition frequency of several kilohertz in some user sites.
8.5Good
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10
YXQYXQ Power EMI Filter General Purpose Single Phase AC 115/250V 30A Noise Suppressor, CW4E-30A-S
Main highlights- 【Working Voltage】AC 115/250V, 50/60Hz;Rated Current : 30A
- 【Product Name】AC Power Line EMI Filter;Model No. : CW4E-30A-S
- 【Perfect size】Installing Hole Size(Approx) : Distance: 7.5cm / 3"Diameter: 5mm/0.2";Size(Approx) : 9.5 x 4 x 5cm / 3.8" x 1.6" x 2"(L* W*H)
- 【Package Content】1 x AC Power Line EMI Filter
- 【External Material】Metal;Color : Silver Tone, Black, Net Weight : 204g
8.3Good
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