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    AI Overview
    5uh Ferrite Rod Magnetic Inductor Coil for Auto Industry ...
    A ferrite rod core magnetic coil inductor is a passive electronic component consisting of a cylindrical ferrite material (a ceramic iron oxide compound) wound with insulated copper wire. It acts as an inductive element to store energy, filter signals, or tune circuits by concentrating magnetic flux, offering high permeability and low eddy current losses at high frequencies. 
    This video explains the difference between a rod type core and a bobbin type core:
    Related video thumbnail
    57s
    Fair-Rite®
    YouTube• Apr 20, 2021
    Key Characteristics & Advantages 
    • High Permeability: Ferrite materials, such as Manganese-Zinc (
      MnZncap M n cap Z n
      𝑀𝑛𝑍𝑛
      ) or Nickel-Zinc (
      NiZncap N i cap Z n
      𝑁𝑖𝑍𝑛
      ), significantly boost inductance compared to an air core.
    • Low Losses: High electrical resistivity minimizes Eddy currents, reducing heat and improving efficiency at high frequencies (
      kHzk cap H z
      𝑘𝐻𝑧
       to
      MHzcap M cap H z
      𝑀𝐻𝑧
      ).
    • High Frequency Performance: Ideal for RF circuits and switching power supplies due to minimal hysteresis and eddy current losses.
    • Design Utility: Provides stable inductance and is used for EMI/RFI noise suppression. 
    Common Applications 
    • AM Radio Antennas: Often used as loopstick antennas.
    • Filter Chokes: Used to block unwanted AC signals in power supplies.
    • Tuning Circuits: Employed for impedance matching in radio frequency (RF) applications. 
    Disadvantages 
    • Open Magnetic Path: Rod cores are not self-shielding, making them susceptible to magnetic field leakage and, consequently, potential electromagnetic interference (EMI).
    • Lower Efficiency: Compared to closed structures like toroids, rod cores are less efficient in containing the magnetic flux.
    • Saturation: They can saturate if the current is too high. 
    Material Selection 
    • NiZn (Nickel-Zinc): Better for higher frequencies due to higher resistivity.
    • MnZn (Manganese-Zinc): Preferred for higher permeability and lower frequency applications. 
    • Ferrite core - Wikipedia
      In electronics, a ferrite core is a type of magnetic core made of ferrite on which the windings of electric transformers and other...
      Wikipedia
    • China ferrite rod inductor
      Mar 14, 2025 — Ferrite Rod Inductors,also kown as Magnetic rod inductor, use ferrite as the core material. Ferrite is a ceramic material with hig...
      Changzhou Southern Electronic Element Factory Co., Ltd.
    • What Is Ferrite Core Inductor How Does It Function And It ...
      Aug 26, 2024 — with other metallic elements ferite cores are used in inductors because of their High magnetic permeability. and low electrical co...
      20m
      YouTube·Technology Intensive Care Unit (ICU), Nigeria.
    • Ferrite Rod Core(999+) - Alibaba.com
      Core Geometry, Size, and Magnetic Path Characteristics The physical shape and dimensions of the ferrite rod significantly influenc...
      Alibaba.com
    • Coil Inductance with Ferrite Rod - High Performance - Alibaba
      Ferrite Core Inductors Made from ceramic compounds of iron oxide mixed with nickel, zinc, or manganese, ferrite cores offer high m...
      Alibaba
    • Ferrite Rod Core Coil(999+) - Alibaba.com
      Power Supply Systems. Ferrite rods are widely used in switch-mode power supplies (SMPS), AC-DC adapters, DC-DC converters, and uni...
      Alibaba.com
    • Rod Ferrite Core Inductor(999+) - Alibaba.com
      Functions and Features of Ferrites The primary function of rod ferrite core inductor is to minimize electromagnetic interference (
      Alibaba.com
    • Ferrite Core Inductor Coils - Precision and Efficiency - Alibaba.com
      This enables miniaturization of electronic devices without sacrificing performance—ideal for portable electronics, PCBs, and embed...
      Alibaba.com
    • Ferrite-Core Inductor: Losses, Characteristics & Applications
      Nov 4, 2020 — What is a Ferrite-Core Inductor? A Ferrite-Core Inductor is a inductor manufactured with a ferrite core inside its coil. When thes...
      MADPCB
    • Ferrite core - Wikipedia
      In electronics, a ferrite core is a type of magnetic core made of ferrite on which the windings of electric transformers and other...
      Wikipedia
    • China ferrite rod inductor
      Mar 14, 2025 — Ferrite Rod Inductors,also kown as Magnetic rod inductor, use ferrite as the core material. Ferrite is a ceramic material with hig...
      Changzhou Southern Electronic Element Factory Co., Ltd.
    • What Is Ferrite Core Inductor How Does It Function And It ...
      Aug 26, 2024 — with other metallic elements ferite cores are used in inductors because of their High magnetic permeability. and low electrical co...
      20m
      YouTube·Technology Intensive Care Unit (ICU), Nigeria.
    Show all
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    Web results

    Making Ferrite Core Inductors at Home


    Daniel Mangum
    https://danielmangum.com › posts › making-ferrite-core-...
    Daniel Mangum
    https://danielmangum.com › posts › making-ferrite-core-...
    Feb 1, 2026 — In order to observe ferrite's impact on inductance, we can start by creating an inductor consisting of only a wire coil, or an “air core”. To ...Read more

    Ferrite Core Inductor – Uses, Applications and ...


    Cosmo Ferrites
    https://www.cosmoferrites.com › news-events › ferrite-co...
    Cosmo Ferrites
    https://www.cosmoferrites.com › news-events › ferrite-co...
    Ferrite core inductors are used in a range of electric circuit applications including power conversion, broadband, and interference suppression.Read more
    Discussions and forums
    What does this inductor do? I found it inside of a little radio and I have ...
    Reddit · 
    r/AskElectronics
     · 70+ comments
     · 1 year ago
    What does this inductor do? I found it inside of a little radio and I have ...
    Reddit · 
    r/AskElectronics
     · 70+ comments
     · 1 year ago
    It's a ferrite rod antenna in an AM receiver.  More
    Top answer · 246 votes · a year ago
    That thing actually IS the freekin' antenna  More
    221 votes · a year ago
    Yet again Reddit makes me feel old.  More
    64 votes · a year ago
    If a rod core cannot saturate, why choose powdered iron over ferrite?
    EEVblog · 
    5 years ago
    If a rod core cannot saturate, why choose powdered iron over ferrite?
    EEVblog · 
    5 years ago
    Been thinking about this one for a while, but think I need some help: A rod-core inductor is a "open" magnetic circuit, meaning part of the flux ...  More
    Inductor not behaving even close to calculation
    Electronics Stack Exchange · 
    2 answers
     · 2 years ago
    Inductor not behaving even close to calculation
    Electronics Stack Exchange · 
    2 answers
     · 2 years ago
    This theoretically should measure 807 mH. It only measures 3.2 mH! There are two significant ...  More
    Top answer · 4 votes · 2 years ago
    I suspect your issue is that iron and steel are conductive, leading to significant eddy ...  More
    4 votes · 2 years ago
    See more

    Web results

    Ferrite rod core inductance


    Coil32
    https://coil32.net › ferrite-rod-core-coil
    Coil32
    https://coil32.net › ferrite-rod-core-coil
    Jan 19, 2015 — Calculation of the coil inductance on a ferrite rod is based on the determination of the relative effective permeability of the rod.Read more

    Ferrite core


    Wikipedia
    https://en.wikipedia.org › wiki › Ferrite_core
    Wikipedia
    https://en.wikipedia.org › wiki › Ferrite_core
    They consist of a coil of wire wound around a ferrite rod core (usually several inches longer than the coil). This core effectively concentrates the magnetic ...Read more

    Ferrite Rod Core Inductor(999+)


    Alibaba.com
    https://www.alibaba.com › ... › Ferrites old
    Alibaba.com
    https://www.alibaba.com › ... › Ferrites old
    Toroidal Inductors. These inductors use a ring-shaped (doughnut-like) ferrite core with wire wound uniformly around it, creating a closed-loop magnetic path.Read more
    Videos
    What Is Ferrite Core Inductor How Does It Function And It ...
    YouTube · Technology Intensive Care Unit (ICU), Nigeria.
    Aug 26, 2024
    YouTube · Technology Intensive Care Unit (ICU), Nigeria.
    25:38
    Ferrite core inductors use ferrite material to increase inductance, reduce eddy currents, and improve efficiency in high-frequency applications.
    Technology Intensive Care Unit (ICU), Nigeria.
    YouTube·
    Aug 26, 2024

    What Is Ferrite Core Inductor How Does It Function And It ...

    YouTube·Technology Intensive Care Unit (ICU), Nigeria.·Aug 26, 2024
    YouTube
    In this video
    • 00:00
      What Is Ferite Core Inductor
    • 02:24
      Energy Storage and Release
    • 04:48
      Direction and Magnitude
    • 05:54
      Energy Storage
    • 10:14
      Five Impact on Inductor Performance
    • 12:06
      Explanation of How Energy Storage Works in an Inductor
    • 14:18
      Energy Storage Systems
    • 15:51
      Types of Losses in Inductors
    • 18:19
      Three Design Considerations To Reduce Losses a Core Material Selection
    • 25:04
      Summary
    Electronics tutorial - Ferrite and Magnetic permeability
    YouTube · FesZ Electronics
    Oct 25, 2020
    YouTube · FesZ Electronics
    17:41
    Measure ferrite core permeability to understand its inductive and resistive behavior. Permeability varies with frequency, affecting inductor inductance and ESR.
    FesZ Electronics
    YouTube·
    Oct 25, 2020

    Electronics tutorial - Ferrite and Magnetic permeability

    YouTube·FesZ Electronics·Oct 25, 2020
    YouTube
    In this video
    • 00:03
      Intro
    • 01:29
      Inductance example
    • 03:14
      Factors affecting inductance
    • 05:16
      Pure resistive element of a component
    • 06:26
      The measurement setup
    • 08:57
      Impedance and inductance plots
    • 12:06
      Combined impedance graph
    • 13:40
      Permeability of magnetic material
    • 15:09
      Ferrite material datasheets
    • 16:29
      Impedance graph
    The Case of Rod V Bobbin (Antenna, Inductor, & Choke Cores)
    YouTube · Fair-Rite®
    Apr 20, 2021
    YouTube · Fair-Rite®
    12:07
    Rods generally have a lower inductance factor (AL) than bobbins, but are less affected by temperature and DC bias current.
    Fair-Rite®
    YouTube·
    Apr 20, 2021

    The Case of Rod V Bobbin (Antenna, Inductor, & Choke Cores)

    YouTube·Fair-Rite® ·Apr 20, 2021
    YouTube
    In this video
    • 00:04
      Intro
    • 00:28
      Open Magnetic Structure Cores
    • 01:10
      FEM Simulation
    • 02:20
      Rod Core
    • 03:05
      Bobbin Core Overview
    • 05:31
      Inductance Factor (AL)
    • 07:16
      DC Bias Effect
    • 08:49
      General Considerations
    • 09:11
      Practical Considerations
    • 11:45
      Summary
    View all

    Web results

    China ferrite rod inductor


    Changzhou Southern Electronic Element Factory Co., Ltd.
    https://www.nfdqchina.com › Ferrite-Rod-Inductor
    Changzhou Southern Electronic Element Factory Co., Ltd.
    https://www.nfdqchina.com › Ferrite-Rod-Inductor
    Mar 14, 2025 — Ferrite Rod Inductors,also kown as Magnetic rod inductor, use ferrite as the core material. Ferrite is a ceramic material with high magnetic ...Read more

    Best Φ4×20 Ferrite Rod Core Inductor Multi-level Winding ...


    Mycoiltech
    https://www.mycoiltech.com › 4-20-ferrite-rod-core-ind...
    Mycoiltech
    https://www.mycoiltech.com › 4-20-ferrite-rod-core-ind...
    Our rod core inductors have high resonance frequency, light weight, easy to surface mounting. All ferrite rod core inductors we shipped, are all meet customers ...Read more

    Is ferrite core inductance similar to iron?


    Electrical Engineering Stack Exchange
    https://electronics.stackexchange.com › questions › is-fe...
    Electrical Engineering Stack Exchange
    https://electronics.stackexchange.com › questions › is-fe...
    Nov 16, 2023 — Ferrite (huge air gap) cores increases inductance usually 10-th times comparing to air cores. Btw, 150uH for 40 turns seems ok to me.Read more
    4 answers  ·  Top answer: You are way off base with your inductance calculations, and seem to be ignoring the advice ...
    Ferrite core in electromagnets - Electronics Stack ...
    2 answers
    Jul 26, 2021
    Ferrite core inductor for antenna - Electronics Stack ...
    2 answers
    Apr 18, 2016
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