roWaves Technologies

Certified Company ISO 9001-2008

2631540002 Fair-Rite bead | FB-31 material

Colour code: grey
Manufacturer code: 2631540002
Ordering code: FT-35
Manufacturer part no.: FB31-540002
Material no.: 31
Permeability (μi): 1500
Slide-over suitable for coaxials: LMR240/H155 6mm type coax.
Typ. impedance: 46Ω@1MHz / 110Ω@5MHz / 135Ω@10MHz / 200@25MHz / 322Ω@100MHz / 354Ω@250MHz
Frequency range: 1 – 300MHz (EMI/RFI supression)
Length: 28.6mm
Ext. diameter: 14.3mm
Int. diam.: 6.35mm
Price :

 1,51 (excl. VAT)

21 in stock

(*Ships in 1-2 business days. VAT amount and the exact shipping cost will be calculated during checkout.)

* 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:

RFI / EMI / CMC suppression: 1-300 MHz

Technical data-sheet:

Additional information

Weight 18 g
Dimensions 3 × 1,5 × 1,5 cm

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