Ferrite Toroid Core Size Cross Reference

Manufacturers Equivalent Size Part Numbers - Listed in ascending order of outside diameter
Type
Our Part
AVX Neosid EPCOS Fair Rite Hitachi Magnetics TDK Ferroxcube
Toroid FT-23-( )       59( )000101   40601-TC   TC5.8/3.1/1.5
Toroid FT-37-( ) T-0950A 28-070-( )   59( )000201   41003-TC T4.75-9.52-3.18 TC9.5/4.8/3.2
266T125
Toroid FT-50-( ) T-1270A   B64290K44X830 59( )000301   41407-TC T7.14-12.7-6.35 768T188
Toroid FT-50A-( ) T-1270C 28-019-( )   59( )001101 OR12.7-6.35-7.9 41306-TC   204T250
Toroid FT-50B-( )       59( )001901        
Toroid FT-82-( )       59( )000601        
Toroid FT-87-( ) T-2210B 28-082-( ) B64290A0638X8 59( )001801 OR22.1-6.35-13 42206-TC T14-22-6.5 846T250
Toroid FT-87A-( ) T-2210A 28-095-( )   59( )007601   42212-TC   846T500
Toroid FT-114-( )       59( )001001   42908-TC   TX29/19/7.6
502T300
Toroid FT-114A-( )       59( )001201   42915-TC    
Toroid FT-140-( )                
Toroid FT-140A-( ) T-3600A   B64290A67X830 59( )002701   43615-TC T23-36-15.1 TX36/23/15
500T600
Toroid FT-150-( ) T-3800B         43606-TC    
Toroid FT-150A-( ) T-3800A         43813-TC    
Toroid FT-193-( )           44920-TC    
Toroid FT-193A-( )           44925-TC    
Toroid FT-240-( )       59( )003801   46113-TC    

Note: ( ) space for material grade. Other manufacturers place material grade elsewhere in part number.

29/06/02
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