🔧 Elevate your RF game with the FT-240-43 – where power meets precision!
The FT-240-43 Ferrite Toroid Core features a 2.4" outer diameter and high initial permeability (µi ≈ 850) Mix 43 ferrite material, engineered for effective RFI suppression and HF balun construction across 20-250 MHz. It supports up to 1 kW power handling and offers excellent thermal stability, making it a reliable choice for RF engineers and hobbyists seeking superior EMI filtering and impedance transformation.
| ASIN | B07Y6NQRGF |
| Best Sellers Rank | #23,323 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Electronic Ferrites |
| Date First Available | September 21, 2019 |
| Item Weight | 4.2 ounces |
| Manufacturer | FRP |
| Package Dimensions | 4.02 x 2.6 x 0.67 inches |
K**T
Worked as expected.
Great quality, and packaging,
A**N
Buena calidad y me llegó rápido y bien empaquetado
Excelente
B**E
good for building RFI and power line nose
made up powerline choke for my radios
M**Y
Good ferrite
Value and build quality cant be beat. It’s functional if you use it correctly.
B**M
works great - packaging could be better
Works great, but not packaged really well for shipping. They are somewhat brittle. I ordered one of these along with all the other part I needed to build a 49:1 unun for an end-fed half-wave antenna for amateur radio. Unfortunately it was all stuffed into one of Amazon's paper envelopes, which resulted in one casualty - this toroid, which was literally snapped in half, because they put it in a bubble wrap and then into a plastic bag. Amazon gladly setup a return and replacement, but would take a week to deliver the replacement, which was a disappointment to say the least. This motivated me to place a separate order, this time for two of these instead of one, for higher power handling, and quicker delivery (and the hope that at least one of them would be good enough to build with), which was in time for me to continue my antenna project before the weather changes on me again.
L**O
Great product ! 👍😀
Great product 👍😀 I will buy again !!!
T**1
A Toroid!
I needed an FT-240-43 toroid to construct a common mode choke. This fit the bill and the price was right. The toroid arrived undamaged, although the packaging looked sketchy. The vendor could do a better job there, but this is a review of the product, not the vendor. I have no way to test if this really was a mix 43 or not, but it definitely was an FT-240! NI have no reason to believe they didn't ship ne a mix 43, but it would be nice if it was marked in some way. I wound my choke and my common mode noise issues went away, so the toroid (or is it a toe roid?) did its job.
T**N
Great for a UHF Choke
I built an antenna for GMRS and needed to stop the common mode current. Prior to adding this as a choke my feedline had an SWR that floated from 1.2-1.5. Adding this with 6 wraps of coax near the antenna worked amazingly well at stabilizing the antenna system. FT-240-43 FT240-43 is the ferrite you want for UHF
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