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FT82-43 toroid core Fair-Rite | 5943000601

Colour code: black
Manufacturer code: 5943000601
Ordering code: FT-7
Manufacturer part no.: FT82-43
Material no.: 43
AL: 470nH
Permeability (μi): 800
Frequency range: 5 – 400MHz (wideband transformer, depends on the application)
RF max. power: 50-75W (broadband transformer 1-30MHz / max. 4: 1 / Z = 300Ω max.)
Temperature stability.: 12500ppm/°C
Ext. diameter: 21mm
Int. diameter: 13.2mm
Height: 6.35mm
Price :

 2,17 (excl. VAT)

9 in stock

* Toroids are tested for AL values at 10KHz.

43 Material – specifications:

ParameterSymbolValueUnits
Initial permeabilityµi800
Flux density @ field strengthB
H
2900
10
Gauss
Oersted
Residual flux densityBr1300Gauss
Coercive forceHc0.45Oersted
Loss factor @ specific freq.Tan δ/ µi250
1.0
10^-6
MHz
Temperature coefficient of initial permeability (20 -70°C)1.25%/°C
Curie temperatureTc>130°C
Resistivityρ1×10^5ohm-cm

Usable frequency ranges, depending on the application:

broadband transformers: 5 – 400 MHz

high-Q inductors: 0.5 – 30 MHz

RFI / EMI / CMC suppression: 5 – 500 MHz


✔️ common mode shocks (CMC): material 43 it is a very good solution for suppressing common broadband currents in the range of 10 – 600 MHz. Along with the increase no. of turns, the suppression increases, while the max. usable freq. will decrease.

✔️ broadband transformers: excellent impedance transformers can be made in the frequency range from 2 to 50 MHz Typical applications are impedance transformers for EndFed antennas, impedance transformers for OCFD antennas or BalUn 1: 1. Full technical specifications (including catalog description) at “Downloads”.

Technical data-sheet:

Additional information

Weight 2 g
Dimensions 0,95 × 0,52 × 0,35 cm

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