# Cable noise filter, ferrite

> Cable noise filter, ferrite (ref. 33390) for reducing EMI/RFI interference on cables. Clips on without tools to flexible cables with a diameter of up to 5 mm, also compatible with cables from 2.5 mm. Compact housing 25 x 10 mm, 5 mm hole, ferrite with a firm grip of 2.5-3.0 mm.

- Page: https://sigmanortec.ro/en/cable-noise-filter-ferrite
- Price: 6.30 RON
- Availability: In stock; 1-2 zile
- Reference: 33390 · EAN: 5947224521551
- Category: Electronic components > Other Components
- Package (shipping data): 0.006 kg
- Updated: 2026-10-10
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 03:25 (Europe/Bucharest)

## Description

Quickly reduces EMI RFI interference and noise on cables for a cleaner signal and stable operation of equipment. Clips on, without tools, to flexible cables with a diameter of up to 5 mm, also compatible with thinner cables from 2.5 mm. Compact housing 25 x 10 mm, 5 mm hole, ferrite with firm grip 2.5-3.0 mm.
EMI RFI filter for reducing electromagnetic interference. It easily attaches to any flexible cable with a maximum diameter of 5mm. It also fits thinner cables with a minimum of 2.5mm, which is the distance between the ferrite teeth.
Specifications:
Dimensions mm: 25 x 10mm
Plastic hole diameter: 5mm
Diameter with closed ferrite teeth: 2.5 - 3.0mm