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Fair-Rite FT240-31 toroid core | 2631803802

Colour code: grey
Manufacturer code: 2631803802
Ordering code: FT-23
Marking code: 1 x blue paint side-stripe
Manufacturer part no.: FT240-31
Material no.: 31
Permeability (μi): 1500
Frequency range: 1 – 300MHz (wideband transformer, depends on the application)
RF max. power: 1000-1500W (1-50MHz broadband transformer)
Ext. diameter: 61mm
Int. diameter: 35.5mm
Height: 12.7mm
Price :

 12,43 (excl. VAT)

26 in stock

* Toroids are tested for AL values at 10KHz.

31 Material – specifications:

ParameterSymbolValueUnits
Initial permeabilityµi1500
Flux density @ field strengthB
H
3900
5
Gauss
Oersted
Residual flux densityBr3200Gauss
Coercive forceHc0.28Oersted
Loss factor @ specific freq.Tan δ/ µi20
1.0
10^-6
MHz
Temperature coefficient of initial permeability (20 -70°C)1.6%/°C
Curie temperatureTc>130°C
Resistivityρ3000ohm-cm

FT240-31 Impedance

Usable frequency ranges, depending on the application:

broadband transformers: 20 – 500 MHz

high Q inductors: 0.2 – 10 MHz

RFI / EMI / CMC suppression: 1-500 MHz

Technical data-sheet:

Additional information

Weight 130 g
Dimensions 6,1 × 3,5 × 1,27 cm

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