V18073T Soft Ferrite Bead Ring High Frequency EMC Ferrite Core For Equipment Wire Harness Noise Reduction Solution

Product Brief

V18073T toroidal ferrite magnetic ring is produced from high‑performance VN02 Mn‑Zn soft ferrite material. It has initial permeability of 650±20%, saturation magnetic flux density up to 330 MT and Curie temperature above 110℃. Benefiting from high electrical resistivity over 10⁵ Ω·m and low relative loss factor at 0.1 MHz, it maintains stable magnetic performance under varying temperature conditions. This component delivers excellent high‑frequency EMI suppression to filter electromagnetic noise on cables and wire harnesses. Optimized for easy threading and mass assembly, it features reliable batch‑to‑batch consistency. Sample testing, bulk supply and customized parameters are available for diverse EMC filtering projects.

Product Description

V18073T ferrite magnetic ring is specially engineered for cable EMI noise elimination. Adopting VN02 manganese‑zinc ferrite, it keeps low loss at high‑frequency working status with limited heat generation during long‑time continuous operation. Its magnetic property will not deteriorate obviously under temperature fluctuation. The toroidal core absorbs high‑frequency interference effectively to improve conducted and radiated interference performance, assisting end products to meet EMC standards including EN55014 and GB9254.

With regular dimensional tolerance, the magnetic ring enables convenient cable threading for automated assembly lines. Strict quality inspection is carried out in every production procedure to secure stable magnetic characteristics of each batch. It can be directly matched with power cords and multi‑core wire harnesses. We serve customers from home appliance, power adapter and industrial control industries, supporting both sample evaluation and large‑volume orders.

Application Scope & Usage

Application Scope

‑ Household appliances: massage devices, beauty equipment, small kitchen appliances and consumer electronics ‑ Power supplies: switching power supply, power adapter and battery charger ‑ Cable and wire harness: power cords, signal cables and multi‑core assembled wires ‑ Industrial equipment: measuring instruments, automation devices and control wiring

Usage

It is mainly applied for EMI noise suppression of various cables. Installed on power lines or signal cables, the magnetic ring suppresses high‑frequency conducted interference and electromagnetic radiation. It strengthens the anti‑interference capacity of whole systems and prevents abnormal equipment operation caused by electromagnetic disturbance, helping finished goods pass domestic and international EMC certification tests.

General FAQ for Ferrite Magnetic Rings

Q1: How do I select the right ferrite magnetic ring for my application? A: Please provide key parameters including working frequency, cable outer diameter, target impedance, operating temperature and working current. With these details, we can recommend the most suitable model and material grade for your project.

Q2: What is the difference between Mn‑Zn ferrite and Ni‑Zn ferrite ring? A: Mn‑Zn ferrite fits low‑to‑medium frequency with high permeability, mainly for power cable EMI filtering. Ni‑Zn ferrite works better under high frequency, widely used for high‑speed signal lines.

Q3: Will high DC current cause magnetic saturation for ferrite rings? A: Yes. Excessive DC bias current will lead to magnetic saturation and sharply reduce filtering impedance. Please inform us your rated DC current so we can suggest proper size or material.

Q4: Does more wire turns through the magnetic ring bring better filtering effect? A: Within reasonable limits, more turns can get higher impedance. Too many turns will introduce extra parasitic capacitance and weaken performance at very high frequency.

Q5: What factors will affect the actual filtering performance of ferrite cores? A: Key factors contain material permeability, working frequency, core dimension, wire turns, operating temperature, current condition and installation method.