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roWaves Technologies

Certified Company ISO 9001-2008

FB31-102002 Fair-Rite (#31 ferrite bead 2631102002)

Colour code: grey
Manufacturer code: 2631102002
Ordering code: FT-34
Manufacturer part no.: FB31-102002
Material no.: 31
Permeability (μi): 1500
Slide-over suitable for coaxials: RG8/RG214/400 type coax.
Typ. impedance: 38Ω@1MHz / 90Ω@5MHz / 110Ω@10MHz / 163@25MHz / 261Ω@100MHz / 316Ω@250MHz
Frequency range: 1 – 300MHz (EMI/RFI supression)
Length: 28.6mm
Ext. diameter: 25.9mm
Int. diam.: 12.8mm
Price :

 4,10

10 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:

RFI / EMI / CMC suppression: 1-300 MHz

Additional information

Weight 130 g
Dimensions 6 × 6 × 1.3 cm

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