This V18031 ferrite magnetic ring is made of VN09 Ni‑Zn soft ferrite material. Its initial permeability reaches 850, featuring low loss factor and excellent high‑frequency noise suppression performance.
Key dimensions: A 15.0mm, B 14.0mm, C 5.0mm, D 23.0mm with ±1.0mm dimensional tolerance. The Curie temperature exceeds 130℃, offering stable magnetic performance under varied working temperature.
This toroid core is widely applied for EMI/EMC filtering, restraining common‑mode and high‑frequency interference on power cables and signal lines. It complies with RoHS requirement, supports sample testing, small‑batch and bulk orders, suitable for power adapters, consumer electronics and industrial control equipment.

This V18031 ferrite magnetic ring is made of VN09 Ni‑Zn soft ferrite material. Its initial permeability reaches 850, featuring low loss factor and excellent high‑frequency noise suppression performance.
Key dimensions: A 15.0mm, B 14.0mm, C 5.0mm, D 23.0mm with ±1.0mm dimensional tolerance. The Curie temperature exceeds 130℃, offering stable magnetic performance under varied working temperature.
This toroid core is widely applied for EMI/EMC filtering, restraining common‑mode and high‑frequency interference on power cables and signal lines. It complies with RoHS requirement, supports sample testing, small‑batch and bulk orders, suitable for power adapters, consumer electronics and industrial control equipment.

V18050FJ is VIIP high‑performance 1K107B soft ferrite toroidal core. With outer diameter 53.8mm, inner diameter 28.8mm and height 18.5mm, it features high initial permeability of 80000 and maximum permeability up to 300000. High resistivity reduces eddy‑current loss, and wide working temperature from ‑50℃ to 150℃ ensures stable magnetic performance. Strict dimension and appearance inspection guarantees good batch consistency. Ideal for winding common‑mode chokes and EMC filter inductors for large‑size displays, medical devices and industrial power supplies.

V18050FJ is VIIP high‑performance 1K107B soft ferrite toroidal core. With outer diameter 53.8mm, inner diameter 28.8mm and height 18.5mm, it features high initial permeability of 80000 and maximum permeability up to 300000. High resistivity reduces eddy‑current loss, and wide working temperature from ‑50℃ to 150℃ ensures stable magnetic performance. Strict dimension and appearance inspection guarantees good batch consistency. Ideal for winding common‑mode chokes and EMC filter inductors for large‑size displays, medical devices and industrial power supplies.

V18050FJ is VIIP high‑performance 1K107B soft ferrite toroidal core. With outer diameter 53.8mm, inner diameter 28.8mm and height 18.5mm, it features high initial permeability of 80000 and maximum permeability up to 300000. High resistivity reduces eddy‑current loss, and wide working temperature from ‑50℃ to 150℃ ensures stable magnetic performance. Strict dimension and appearance inspection guarantees good batch consistency. Ideal for winding common‑mode chokes and EMC filter inductors for large‑size displays, medical devices and industrial power supplies.

V18050FJ is VIIP high‑performance 1K107B soft ferrite toroidal core. With outer diameter 53.8mm, inner diameter 28.8mm and height 18.5mm, it features high initial permeability of 80000 and maximum permeability up to 300000. High resistivity reduces eddy‑current loss, and wide working temperature from ‑50℃ to 150℃ ensures stable magnetic performance. Strict dimension and appearance inspection guarantees good batch consistency. Ideal for winding common‑mode chokes and EMC filter inductors for large‑size displays, medical devices and industrial power supplies.

V18050FJ is VIIP high‑performance 1K107B soft ferrite toroidal core. With outer diameter 53.8mm, inner diameter 28.8mm and height 18.5mm, it features high initial permeability of 80000 and maximum permeability up to 300000. High resistivity reduces eddy‑current loss, and wide working temperature from ‑50℃ to 150℃ ensures stable magnetic performance. Strict dimension and appearance inspection guarantees good batch consistency. Ideal for winding common‑mode chokes and EMC filter inductors for large‑size displays, medical devices and industrial power supplies.

Manufacturer direct supply & stable mass‑delivery capacity In‑house ferrite production line, stable output, support large‑volume order. Custom consultation for special impedance / dimension requirement is acceptable.
Multiple application‑oriented winding options Designed for through‑cable installation or manual/automatic winding for common‑mode choke, easy to integrate into power filter modules.

Fully compliant with RoHS & REACH environmental requirements Restricted‑substance tested, satisfy export requirement for consumer electronics, industrial control, power equipment worldwide.
Excellent thermal stability for long‑time operation High curie‑temperature property prevents performance drop caused by device heat generation, suitable for equipment running 24‑hours continuously.

Strict dimensional tolerance control Outer diameter tight tolerance ±0.5 mm, inner diameter ±1.0 mm. Low dimensional deviation, good interchangeability for mass‑production winding & assembly.
Standardized appearance defect inspection criteria Clear defect‑area & defect‑quantity acceptance limit. Reduce surface crack, chip and scratch risk, consistent visual quality among batches.
Full‑professional impedance lab testing Characterized by E4991A+16194A impedance analyzer. Complete test data and original approval specification sheet are available upon customer request.

Ideal component for EMC debug & noise countermeasure Great for solving conducted interference and radiated noise issues during EMC design, shorten product certification cycle.
Low high‑frequency signal attenuation Reasonable material formula achieves effective noise suppression without excessive attenuation of normal useful signal.

Outstanding high‑frequency impedance performance Minimum impedance 50Ω at 25MHz, minimum 140Ω at 100MHz, full‑range tested from 1‑500MHz. Effectively suppress high‑frequency EMI / RFI interference on power and signal cables.
Adopt premium VN09 Ni‑Zn soft ferrite material Original VN09 nickel‑zinc ferrite formulation, high saturation flux density, Curie temperature above 105℃. Maintain stable magnetic performance under continuous heating working environment.
17mm large inner aperture & 40mm outer dimension Inner diameter 17.0mm(±1.0mm), outer diameter 40.0mm(±0.5mm). Large bore can pass thick‑gauge power cables, multi‑strand wires for harness assembly.