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RF Guru
FT240-61 Ferrite Core Material #61
FT240-61 Ferrite Core Material #61
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€18,00 EUR
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FT240-61 Ferrite Core (Material #61)
The FT240-61 is a large ferrite toroid made from material #61, engineered for low-loss performance into the VHF and UHF spectrum. It’s well suited for broadband transformers, matching networks, and RF chokes where 100–500 MHz coverage is required.
Specifications
- Material: #61 ferrite mix
- Outer diameter: 61 mm
- Inner diameter: 35 mm
- Thickness: 13 mm
- Weight: ~120 g
- Frequency range: 100 MHz – 500 MHz
Typical Applications
- Broadband VHF/UHF baluns and transformers
- High-frequency EMI/RFI suppression
- Low-loss inductors for RF design labs
- Stacked cores for higher power in repeater or contest environments
For HF common-mode chokes, mixes 31 or 43 are usually better suited. Mix 61 excels in the upper HF, VHF, and UHF ranges where low loss is key.
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