Ferrite toroid coil calculator
Online ferrite toroid calculator β number of turns, the AL factor and the wire length.
Ferrite toroid permeability calculator
Online toroid permeability calculator β ΞΌr and AL of an unknown ferrite from a measured inductance.
Ferrite rod coil calculator
Online loopstick antenna calculator β turns of a coil on a ferrite rod, allowing for its offset.
Amidon ferrite toroid calculator (FT series)
Online Amidon FT toroid calculator β turns from the catalogue AL, with a reference table of materials.
Amidon iron-powder toroid calculator (T series)
Online Amidon T toroid calculator β turns from the catalogue AL, with tables of materials and the colour code.
Ferrite toroid at radio frequencies
Online RF toroid coil calculator β impedance, Q and self-capacitance from the Fair-Rite complex permeability data.
E-core ferrite coil calculator
Online EE, EI and EC core calculator β turns, effective parameters and saturation current to IEC 60205.
Binocular transformer calculator
Online binocular transformer calculator for a two-hole ferrite core β primary and secondary turns, inductance and reactance.
Common-mode choke calculator
Online common-mode choke calculator on a ferrite toroid: R, X and |Z| from the Fair-Rite complex permeability, for every HF band.