
Unlock superior noise suppression and RF filtering with the FT-240-31 Ferrite Toroid Core. Engineered with Mix 31 material, this toroid is ideal for tackling common-mode currents and eliminating unwanted electromagnetic interference (EMI) across a broad frequency range. Whether you're optimizing your ham radio setup, building custom chokes, or enhancing signal integrity in sensitive electronics, the FT-240-31 delivers reliable performance with minimal insertion loss. Its large 2.4" outer diameter makes it perfect for winding multiple turns of coaxial cable or wire, enabling high-impedance solutions for HF, VHF, and even lower UHF applications. Trusted by amateur radio operators, engineers, and hobbyists alike, this toroid is a must-have for serious RF noise control.
| Brand Name | FRP |
| Manufacturer | AMI |
| Item Type | Lab & Scientific Products · Industrial & Scientific |
| Shipping Weight | 109 g |
| Package Dimensions | 6.4 × 2.4 × 0.9 cm |
| Category | Industrial & Scientific › Lab & Scientific Products |
| Category Rank | #182,684 in Industrial & Scientific |
| Marketplace Rating | 4.8 out of 5 (203 ratings on the source marketplace) |
| EAN | 0793066448786 |
| UPC | 793066448786 |
| Attributes | Mix 31 Ferrite Material… · Large Core Size (FT-240) 2 |



