FT240-43 Ferrite Toroid

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FT240-43 Ferrite Toroid

FT240-43 Ferrite toroids can be used as common mode choke, impedance transformer or balun.

In stock

Categories: , SKU: FT240-43

Description

FT240-43 Ferrite Toroid

FT240-43 Ferrite toroids can be used as common mode choke, impedance transformer or balun.

FT240-43

AmidonFT240-43
AL(nH)1075 ±20%
Ae(cm2)1.58
Σl/A(cm^-1)9.2
le(cm)14.5
Ve(cm3)22.8

FT240 Dimensions

Dimensionmmmm toleranceInch
A61+/- 1,32,4
B35,55+/- 0,851,4
C12,7+/- 0,50,5

43 Material

PropertySymbolValueUnit
Initial Permeabilityµi800
Flux Density @ Field strengthB
H
2900
10
Gauss
Oersted
Residual Flux DensityBr1300Gauss
Coersive forceHc0.45Oersted
Loss Factor @ FrequencyTan δ/ µi
250
1.0
10^-6
MHz
Temperature Coefficient of Initial Permeability (20 -70°C)1.25%/°C
Curie TemperatureTc>130°C
Resistivityρ1×10^5ohm-cm

Common mode choke

43 Material is a very good wide band common mode suppression solution in the frequency range from 10 up to 600 MHz. If you use multiple cable turns around the ring core, the suppression will increase while the frequency will decrees. See the following picture to see the effect of multiple turns.

Wide band transformer

You can make excellent impedance transformers in the frequency range from 2 up to 50 MHz as well. Typical applications are end fed antenna impedance transformers, off center fed antenna impedance transformers or 1:1 Balun’s.

 

Condition: NEW

 

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