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FT240-77 Amidon ferrite toroid | 5977003801

Colour code: black/grey
Manufacturer code: 5977003801
Ordering code: FT-43
Marking code: 2 x blue paint side-stripes
Manufacturer part no.: FT240-77
Material no.: 77
AL: 2950nH ± 25%
Permeability (μi): 2000
Frequency range: 0.1 – 10MHz (wideband transformer, depends on the application)
RF max. power: 500-800W (0.5-10MHz broadband transformer)
Curie temp.: >200°C
Ext. diameter: 61mm
Int. diameter: 35.5mm
Height: 12.7mm
Price :

 16,35 (excl. VAT)

25 in stock

* Toroids are tested for AL values at 10KHz.

77 Material – specifications:

ParameterSymbolValueUnits
Initial permeabilityµi2000
Flux density @ field strengthB
H
5100
5
Gauss
Oersted
Residual flux densityBr1800Gauss
Coercive forceHc0.25Oersted
Loss factor @ specific freq.Tan δ/ µi15
0.1
10^-6
MHz
Temperature coefficient of initial permeability (20 -70°C)1.2%/°C
Curie temperatureTc>200°C
Resistivityρ100ohm-cm

Usable frequency ranges, depending on the application:

1:1 transformers (BalUn): 0.5 – 8MHz

RFI / EMI / CMC suppression: 100KHz to 10MHz

Technical data-sheet:

Additional information

Weight 130 g
Dimensions 6,1 × 3,55 × 1,27 cm

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