Ferrite Magnetic Cores of 2025
Best Choice1
TamicyTamicy 60 Pieces Clip-on Ferrite Ring Core RFI EMI Noise Suppressor Cable Clip for 3mm/ 5mm/ 7mm/ 9mm/ 13mm Diameter/Video Cable Power Cord (Black)
Main highlights- This rectangle ferrite Bead can be widely used in a variety of Data cables, USB cable, telephone line, network line to shield external electromagnetic interference.
- Package included: 60 * cable clips (with 5 different size included) for cord with 3/ 5/ 7/ 9/ 13 mm inner diameter
- Ni-Zn ferrite. It can improve the electromagnetic field around the solenoid, thus avoiding outside interference.
- Helps reduce EMI on AC power lines. Black plastic enclosed ferrite core for 5 mm AC power cords. Great for cutting noise on USB, firewire, phone, power cord, coaxial, audio, video cables, etc.
- Easy to install and convenient to use. The cylinder can be dismountable, and the port has the elastic clip fastener.
9.8Exceptional
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Value for Money2
ColorshengColorsheng 12 Pcs Magnetic Ferrite Cores RFI EMI Noise Filter Clip for 13mm Diameter-Black
Main highlights- Suitable for cord with 13 mm inner diameter13mm: outer dimension-36 mm x 24 mm
- Package Included:12 cable clips 13 mm inner diameter
- Material: magnet,plastic .Color: black
9.7Exceptional
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3
FeFu28% Off20Pcs 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
SizhongdaFT-240-43 ferrite Ring Magnetic core 43 Material - Diameter 2.4 inches, Used for RFI Suppression, broadband, and Power Transformers | Precision Manufacturing, Suitable for 5-500 MHz Applications
Main highlights- This FT-240-43 ferrite toroidal core is designed for RFI suppression in the frequency range of 5 - 500 MHz, effectively absorbing and attenuating interfering signals, creating an interference-free operating environment for electronic devices, ensuring stable signal transmission and enhancing the electromagnetic compatibility of equipment.
- Preparation before installation: Make sure the core size is suitable, FT-240-43 core OD 2.4 inches (61.0mm±1.30mm), ID 1.4 inches (35.55mm±0.85mm), height 0.5 inches (12.7mm±0.50mm), make sure the cable can pass through the ID and fit tightly to avoid leakage of magnetism caused by the aperture is too large. Prepare the cable, insulating tape or zip ties and other fixing materials, and if winding is required, plan the number of turns and the way to wind the cable in advance.
- Manufacturing process: 2.4-inch (61.0mm ± 1.30mm) OD, 1.4-inch (35.55mm ± 0.85mm) ID, and 0.5-inch (12.7mm ± 0.50mm) height of the precise dimensions of the strict control of tolerances, to ensure consistency and reliability of the product to meet the needs of various types of high-precision circuit design.
- Ideal for broadband and power transformers: Broadband transformers for 5 - 400 MHz can accurately and efficiently convert and transmit signals in different frequency bands; power transformers for 0.5 - 30 MHz can ensure stable power output, reduce energy loss, and improve power utilization efficiency.
- 43 Material: Adopting high performance 43 ferrite material with high permeability and low hysteresis loss characteristics, which can efficiently concentrate and guide the magnetic field to enhance the inductance performance and at the same time reduce the energy loss and prolong the service life of the equipment.
9.2Excellent
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5
RocteeEMI RFI Noise Filter Cable Ring, Roctee 12 Pcs Ferrite Choke Snap On Noise Suppressor Cable Clip Electronic Ferrites Core for 7MM Diameter Wire (Black)
Main highlights- Widely Used: It can be clipped on AC power lines, USB cable, mouse cable, keyboard cable, headset cable, video cable, audio cable, data cable, etc.It doesn't cause distortion of the transmitted signal and won't affect your audio video and picture quality.
- Improve Signal Integrity: Made of high quality plastic housing and Ni-Zn ferrite core, with inner self-adaption clips can mount on cables tightly.These ferrite cores play a very good role in reducing high frequency interference caused by home appliances and electronics.
- Double Snap Clips Design: 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.
- Avoiding Electro-Magnetic Interference: Enclosed ferrite core suitable for the inner diameter of 5mm-7mm (0.2 inch-0.27 inch) wires.It can be directly applied to a power line.In order to suppress electromagnetic radiation more effectively, please install them in place near the interference source.If a cable has equipment that needs to be protected on both sides, install one at each end.
- Applications: HDMI cable, VGA cable, DVI cable, power cable, speaker cable, industrial cable, etc.
9.0Excellent
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6
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.
8.7Very Good
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7
JoWanSome20Pcs Magnetic Ferrite Ring Filters - EMI/RFI Noise Suppressor for 3mm Cables (3mm Inner Diameter) | Clip-On Ferrite Core for Power/Video/Audio Cords (Black)
Main highlights- Easy to Install Clip - on design allows for quick and hassle - free installation. No tools are required. Simply open the clip, attach it to the cable, and close. Suitable for both professionals and DIY enthusiasts.
- Powerful Noise Suppression Effectively suppresses Radio - Frequency Interference (RFI) and Electro - Magnetic Interference (EMI). Protects your electronic devices from external noise, ensuring stable signal transmission. Perfect for use on cables of computers, TVs, game consoles, and more
- [3.5/5/7/9/11/13/15]mm Diameter The [3.5/5/7/9/11/13/15]mm diameter is suitable for a wide range of cable sizes. Whether it's a thin USB cable or a thicker power cord, these ferrite ring cores can be easily clipped on.
- Durable Ferrite Material Made from high - quality ferrite material, these ring cores are built to last. They can withstand various environmental conditions and maintain their performance over time.
- 20 - Piece Set Comes with 20 pieces, providing you with enough ferrite ring cores to cover multiple cables in your home or office. Cost - effective solution for your cable management and noise reduction needs.
8.6Very Good
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8
Mateda10% OffMateda Ferrite Ring Core Ferrite Beads Clip RFI EMI Noise Suppressor Anti-Interference Cable Clip for 3.5mm/ 5mm/ 7mm/ 9mm/ 13mm Diameter Cable, Black (20)
Main highlights- Well Made and Nice Quality:Made of Plastic Housing and Ferrite Core,with inner self-adaption clip can mount on cables tightly and work for a super long time.
- Package included: 20 * cable clips (with 5 different size included) for cord with 3.5/ 5/ 7/ 9/ 13 mm inner diameter
- Material: nickel-zinc ,plastic Color: black,Brand new
- Easy to install and convenient to use. The cylinder can be dismountable, and the port has the elastic clip fastener.
- Application Occasion:Clip them on AC power lines,USB cable,mouse cable,keyboard cable,headset cable,video cable,audio cable,data cable.
8.5Good
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9
TaigoehuaTaigoehua 5pcs 42X24X16mm Toroid Core,Ferrite Rings Toroid Core Iron (Black)
Main highlights- Widely Used：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
- Size: 42 X 24 X 16mm/1.7X0.94X0.6inch
- Package Content: 5pcs x Ferrite Ring Toroid core iron（ DS400060）
- Ferrite Rings Toroid core Iron（（If you find a broken core, please contact us））
- Color: Black
8.3Good
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10
GulfmewGulfmew Toroid Ferrite Core Compatible with FT240-43 Ferrite Ring 2.4” to Reduce Signal Loss for RFI EMI RF HF Wires Suppression, EFHW and Power Transformers
Main highlights- Widely Apply: For variety of Data Cables such as usb cables, Telephone Lines, Aerial Feed, Satellite Cables, Network Cables to Shield from External Electromagnetic Interference. Excellent for taming RFI issues, EMI suppression, Common Mode Chokes, Balun, Unun, Transformers, Impedance Matching, Reducing Signal Loss, Inductors, Power Line Filters, HAM, CB Radio
- Toroid Ferrite Core: The ferrite core Compatible with FT240-43 is a great toroid for amateur radio and audio projects, which could decrease noise in antenna systems and improve signal clarity. Reduce RF HF frequencies, play a very good anti interference effect
- Specification: AL=1075+/-20 %, uH=(AL*Turns2)/1000, Temperature Stability (ppm/C) = 12500, Application Freq Range: Wideband Transformers 5- 400 MHz, Power Transformers 0.5- 30 MHz, RFI Suppression 5-500 MHz
- Size: Outer Diameter Width: 2.40 in/61.0 mm +/- 1.30mm, Inner Diameter Width: 1.40 in/ 35.55 mm +/-0.85mm, Thickness Depth: 0.50 in/ 12.7 mm +/- 0.50mm
- Compatible with FT240-43: This ferrite core NiZn ferrite for suppression of conducted EMI from 20 MHz to 250 MHz, it also apply for inductive applications such as high frequency common mode choke
8.2Good
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