Amidon Toroid Calculator (Ferrite)
Inductance
[mH]
Core Size
FT-23
FT-37
FT-50
FT-50A
FT-50B
FT-82
FT-87
FT-87A
FT-114
FT-114A
FT-140
FT-150
FT-150A
FT-193
FT-193A
FT-240
Material
43 :: µ=800
61 :: µ=125
63 :: µ=NA
67 :: µ=40
68 :: µ=20
75 :: µ=5000
77 :: µ=2000
F :: µ=3000
J :: µ5000
Inductance
[mH]
Turns
[1]
Toroid Diameter
[mm]
AL
[mH/1000 turns]