Ferrite Toroid Core AL Values

Insert material type ( ) to get complete core number.
Core Number vs AL Value (nH/t2)       Note: AL Value +/-  20-30%
Core Number Material ( )
43 61 63 67 68 72 75 77 F J W H
FT-23-( ) 165 25 * 7.8 4.0 * 990 356 * * * *
FT-37-( ) 375 55.3 * 19.7 8.8 * 2110 884 * * * *
FT-50-( ) 470 68.0 * 22.0 11.0 1100 * 990 * 2750 5430 8140
FT-50A-( ) 510 75.0 * 24.0 12.0 * * 1080 * 2990 * *
FT-50B-( ) 1025 150.0 * 48.0 24.0 * * 2160 * * * *
FT-82-( ) 500 75 * 22.4 11.7 * * 1060 * * * *
FT-87-( ) * * * * * * * * * 3020 6040 9060
FT-87A-( ) * * * * * * * * 3624 6040 12080 18100
FT-114-( ) 540 79.3 * 25.4 12.7 * * 1270 1902 3170 * *
FT-114A-( ) * 146.0 * * * * * 2340 * * * *
FT-140-( ) 952 140.0 * 45.0 * * * 2250 * * * *
FT-140A-( ) * * * * * * * * * 6736 * *
FT-150-( ) * * * * * * * * 2640 4400 * *
FT-150A-( ) * * * * * * * * 5020 8365 * *
FT-193-( ) * * * * * * * * 3640 6065 * *
FT-193A-( ) * * * * * * * * 4460 7435 * *
FT-240-( ) 1160 173.0 53.0 53.0 * * * 2725 * 6845 * *
* core size not available in this material

23/04/07
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