Product Description

The V18017FS ferrite magnetic ring is made of premium VN19 Mn-Zn ferrite material. It features an initial permeability of 1600, ultra-low loss performance and reliable temperature stability. This core delivers high saturation magnetic flux density and electrical resistivity above 10⁵ Ω.m, with a Curie temperature of more than 150℃ for stable long-term operation.

With excellent impedance properties and powerful EMI shielding capability, this magnetic ring efficiently eliminates high-frequency noise and common-mode interference. Adopting standardized production and strict quality inspection, our products maintain stable physical dimensions and magnetic performance in mass production. Customized specifications are supported to meet diverse design and application requirements.

Applications & Uses

• Common mode choke cores for various power supply units
• EMC and EMI noise reduction for consumer electronic devices
• Anti-interference components for industrial controllers and switching power supplies
• Noise suppression and signal protection for signal transmission lines
• Filtering solution for power adapters, chargers and LED drivers
• High-frequency noise elimination for general electronic circuits

Five General FAQ for Ferrite Cores

Q: What key factors affect the noise filtering performance of ferrite magnetic rings? A: The filtering effect is mainly determined by material permeability, operating frequency range, core size and winding turns, which jointly affect the final anti-interference performance.

Q: What are the differences between Mn-Zn and Ni-Zn ferrite cores? A: Mn-Zn ferrite has high permeability and performs best in low and medium frequency scenarios. Ni-Zn ferrite features higher resistivity and is more suitable for ultra-high frequency noise suppression.

Q: Will overheating affect the service performance of ferrite cores? A: Ferrite cores work stably below the Curie temperature. Once the temperature exceeds the Curie point, the magnetic properties will temporarily disappear and fail to filter noise normally.

Q: Are sample testing and customized services available for ferrite cores? A: Yes, we provide free samples for customer performance verification. Custom sizes, structures and material options are available according to project demands.

Q: Why do identical ferrite cores show different impedance test results? A: Impedance value is frequency-dependent. Different test frequency points will produce different impedance data, which is a normal physical characteristic of ferrite magnetic materials.