1. Product Brief

Manufactured with VN09 grade nickel‑zinc soft ferrite, the V18031 ring‑shaped ferrite core features an initial permeability of 850 and low loss performance. It achieves remarkable high‑frequency noise damping and electromagnetic interference mitigation effects. Rigorous size control ensures uniform performance from batch to batch, perfectly fitting mass production assembly operations. Featuring superior resistivity and great thermal tolerance, this core keeps dependable magnetic performance under varied operating environments. This RoHS‑compliant EMC filter component cuts down common‑mode and high‑frequency electromagnetic interference, helping end‑use products fulfill EMC certification requirements. We deliver prototype samples, small batch orders and large‑volume goods to meet client needs from research validation to commercial mass‑production.

2. Product Description

V18031 toroidal ferrite magnetic ring adopts high‑quality VN09 nickel‑zinc soft ferrite raw material. Its initial permeability reaches 850, with low relative loss factor at 0.1MHz. The physical dimensions are A15.0mm, B14.0mm, C5.0mm, D23.0mm, dimension tolerance ±1.0 mm. High resistivity above 10⁵ Ω·m brings excellent insulation property. Curie temperature is over 130℃, so magnetic characteristics remain stable even when ambient temperature fluctuates. This ferrite toroid core can effectively suppress high‑frequency electromagnetic disturbance, restrain common‑mode noise on power lines and signal lines, reduce signal distortion and electromagnetic crosstalk. Uniform size facilitates winding processing and cable harness assembly. All products meet RoHS environmental requirements, suitable for global export end‑products. Strict incoming material inspection and finished‑product testing guarantee stable quality for every batch.

3. Application Scope & Usages

Application Scope: Widely used in consumer electronics, smart home devices, power adapters and chargers, industrial control equipment, automation devices, communication equipment, inverter and converter modules, office electronic hardware, wiring harness assemblies and other electronic products requiring EMC electromagnetic interference filtering. Usages: Suppress high‑frequency common‑mode interference for power cables, power cords and signal wires Reduce electromagnetic crosstalk and signal distortion of internal wiring harness inside electronic devices Help finished electronic products pass EMC, EMI related compliance tests Filter electromagnetic noise for power supply, adapter and charger assemblies Improve anti‑interference performance for industrial control panels and automation equipment circuits

4. FAQ

Q1: What main function can ferrite magnetic rings realize? A: Ferrite magnetic ring acts as a dedicated EMI and EMC filter part. It primarily soaks up and attenuates high‑frequency common‑mode electromagnetic noise, lessens signal crosstalk and disruptions on power cords and signal cables. It enhances the anti‑disturbance capacity of electronic equipment and assists finished products in meeting EMC certification criteria.

Q2: What should I take into account when picking ferrite magnetic rings for my project? A: Primary selection considerations include core part code, material grade, initial permeability, physical dimension, working frequency range and working current. If you offer information such as operating frequency, cable specifications and actual interference issues, we can deliver customized technical suggestions for core selection.

Q3: Is sample service available for ferrite magnetic rings before large‑volume purchase? A: Yes, we offer sample pieces for performance assessment ahead of bulk orders. You can test its noise suppressing effect on your actual equipment. After you confirm sample performance, you are allowed to place small trial orders and large‑volume manufacturing orders.

Q4: How does Curie temperature affect ferrite magnetic cores? A: Curie temperature refers to the temperature threshold at which ferrite loses its magnetic attributes. A higher Curie temperature allows the magnetic core to sustain reliable filtering capability under higher working temperatures. Our VN09 grade core has Curie temperature exceeding 130 centigrade, which fits most ordinary electronic equipment working scenarios.

Q5: Can these ferrite magnetic cores satisfy RoHS standards for global export business? A: Our ferrite magnetic cores conform to RoHS environmental norms. Hazardous substances are strictly monitored for raw materials as well as finished items. They are suitable for consumer electronics and industrial hardware for global sales. Relevant supporting documents can be provided upon your request.