roWaves Technologies

Certified Company ISO 9001-2008

FT50-61 Fair-Rite (ferrite toroid 5961000301)

Colour code: black/grey
Manufacturer code: 5961000301
Ordering code: FT-6
Manufacturer part no.: FT50-61
Material no.: 61
AL: 69nH
Permeability (μi): 125
Frequency range: 0.2 – 500MHz (wideband transformer, depends on the application)
RF max. power: 15-20W (0.5-50MHz broadband transformer)
Temperature stability.: 1000ppm/°C
Ext. diameter: 12.7mm
Int. diameter: 7.5mm
Height: 4.9mm
Price :


51 in stock

* Toroids are tested for AL values at 10KHz.

61 Material – specifications:

Initial permeabilityµi125
Flux density @ field strengthB
Residual flux densityBr1000Gauss
Coercive forceHc1.1Oersted
Loss factor @ specific freq.Tan δ/ µi30
Temperature coefficient of initial permeability (20 -70°C)0.1%/°C
Curie temperatureTc>300°C

Usable frequency ranges, depending on the application:

broadband transformers: 20 – 500 MHz

high Q inductors: 0.2 – 10 MHz

RFI / EMI / CMC suppression: over 20 MHz

Additional information

Weight 2 g
Dimensions 0.95 × 0.52 × 0.35 cm


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