V18030 Soft Ferrite Core Common Mode Choke Magnetic Toroid For EMC Noise Reduction Electronic Equipment

Product Brief Overview

This V18030 toroidal core adopts VN09 grade soft ferrite material with initial permeability of 850. It is a high reliability magnetic component designed for electromagnetic interference suppression. With relative loss factor of 16 at 0.01MHz and relative temperature coefficient between 5 and 10 the core maintains stable magnetic performance under normal temperature changes. Its saturation magnetic flux density reaches 280MT under 1600A per meter magnetic field and Curie temperature is higher than 130 degree Celsius. High electrical resistivity above 10 to the power of 5 ohm meter reduces internal leakage risk. Strict production management ensures precise dimension smooth surface and good batch consistency. It can be wound to build common mode chokes and noise filters to help end products satisfy EMC test standards for different electronic projects.

Application Scope and Usage

This ferrite magnetic ring is widely used for noise filtering on power lines and signal lines of various electronic devices. It can be processed into common mode choke coils and EMI filters to absorb high frequency interference signals and restrain electromagnetic disturbance. Typical application scenarios include power adapters switching power supplies industrial control boards communication equipment household electronic hardware and other electronic products. It serves for anti interference design during new product development as well as noise improvement for existing finished goods. It supports mass production assembly and prototype sample testing for different customer projects.

Five FAQ

FAQ 1
Question What is the main purpose of ferrite magnetic ring
Answer Ferrite magnetic ring is mainly used for EMI and RFI noise suppression. It absorbs high frequency interference signals on power lines and signal lines. It reduces electromagnetic disturbance inside electronic equipment and helps finished products pass EMC compliance tests. It is widely used to produce filters and common mode choke coils.
FAQ 2
Question How do I choose the correct size of magnetic ring
Answer You need to confirm your installation space working current and winding space first. Outer diameter inner diameter and height are key dimension parameters. You can share your circuit condition and mechanical limit we can recommend suitable model for your reference.
FAQ 3
Question What does initial permeability mean
Answer Initial permeability stands for the magnetic response capacity of ferrite material under weak magnetic field. It largely decides the noise filtering effect for target frequency band. Higher permeability usually brings better suppression performance for certain frequency interference.
FAQ 4
Question What will cause magnetic saturation of ferrite core
Answer Excessive working current is the primary cause of magnetic saturation. Once saturation occurs the magnetic ring will lose most of its noise reduction ability. Overhigh working temperature can also change material characteristics and trigger similar performance drop.
FAQ 5
Question Does more winding turns always get better filtering effect
Answer More winding turns can improve filtering performance within certain limits. Too many turns will bring extra parasitic capacitance and influence high frequency performance. Suitable winding quantity should match your actual working frequency and noise condition.