Amidon Ferrite Toroid | |||||||
freq. Range | 1 / 50 MHz | ||||||
Permeability / µi = | 800 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | mH/1000 turns | ||||
FT- | 23 | -43 | 5,8 | 3,0 | 1,52 | 158,0 | |
FT- | 37 | -43 | 9,5 | 4,7 | 3,18 | 350,0 | |
FT- | 50 | -43 | 12,7 | 7,1 | 4,78 | 440,0 | |
FT- | 50A | -43 | 12,7 | 7,9 | 6,35 | 480,0 | |
FT- | 50B | -43 | 12,7 | 7,9 | 12,70 | 965,0 | |
FT- | 82 | -43 | 21,0 | 13,1 | 6,35 | 470,0 | |
FT- | 114 | -43 | 29,0 | 19,1 | 7,49 | 510,0 | |
FT- | 140 | -43 | 35,6 | 22,9 | 12,70 | 885,0 | |
FT- | 240 | -43 | 61,0 | 35,6 | 12,70 | 1075,0 | |
freq. Range | 10 / 200 MHz | ||||||
Permeability / µi = | 125 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | mH/1000 turns | ||||
FT- | 23 | -61 | 5,8 | 3,0 | 1,52 | 24,8 | |
FT- | 37 | -61 | 9,5 | 4,7 | 3,18 | 55,3 | |
FT- | 50 | -61 | 12,7 | 7,1 | 4,78 | 69,0 | |
FT- | 50A | -61 | 12,7 | 7,9 | 6,35 | 75,0 | |
FT- | 50B | -61 | 12,7 | 7,9 | 12,70 | 150,0 | |
FT- | 82 | -61 | 21,0 | 13,1 | 6,35 | 75,0 | |
FT- | 114 | -61 | 29,0 | 19,1 | 7,49 | 80,0 | |
FT- | 114A | -61 | 29,0 | 19,1 | 13,85 | 145,0 | |
FT- | 140 | -61 | 35,6 | 22,9 | 12,70 | 140,0 | |
FT- | 240 | -61 | 61,0 | 35,6 | 12,70 | 171,0 | |
freq. Range | 200 / 1000 MHz | ||||||
Permeability / µi = | 40 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | mH/1000 turns | ||||
FT- | 23 | -67 | 5,8 | 3,0 | 1,52 | 6,0 | |
FT- | 37 | -67 | 9,5 | 4,7 | 3,18 | 18,0 | |
FT- | 50 | -67 | 12,7 | 7,1 | 4,78 | 22,0 | |
FT- | 50A | -67 | 12,7 | 7,9 | 6,35 | 24,0 | |
FT- | 50B | -67 | 12,7 | 7,9 | 12,70 | 48,0 | |
FT- | 82 | -67 | 21,0 | 13,1 | 6,35 | 24,0 | |
FT- | 114 | -67 | 29,0 | 19,1 | 7,49 | 25,4 | |
FT- | 140 | -67 | 35,6 | 22,9 | 12,70 | 45,0 | |
FT- | 240 | -67 | 61,0 | 35,6 | 12,70 | 55,0 | |
freq. Range | 0,5 / 30 MHz | ||||||
Permeability / µi = | 20 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | mH/1000 turns | ||||
FT- | 23 | -68 | 5,8 | 3,0 | 1,52 | 4,0 | |
FT- | 37 | -68 | 9,5 | 4,7 | 3,18 | 8,8 | |
FT- | 50 | -68 | 12,7 | 7,1 | 4,78 | 11,0 | |
FT- | 50A | -68 | 12,7 | 7,9 | 6,35 | 12,0 | |
FT- | 82 | -68 | 21,0 | 13,1 | 6,35 | 11,7 | |
FT- | 114 | -68 | 29,0 | 19,1 | 7,49 | 12,7 | |
freq. Range | 0,5 / 30 MHz | ||||||
Permeability / µi = | 2000 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | mH/1000 turns | ||||
FT- | 23 | -77 | 5,8 | 3,0 | 1,52 | 396,0 | |
FT- | 37 | -77 | 9,5 | 4,7 | 3,18 | 884,0 | |
FT- | 50 | -77 | 12,7 | 7,1 | 4,78 | 1100,0 | |
FT- | 50A | -77 | 12,7 | 7,9 | 6,35 | 1200,0 | |
FT- | 50B | -77 | 12,7 | 7,9 | 12,70 | 2400,0 | |
FT- | 82 | -77 | 21,0 | 13,1 | 6,35 | 1170,0 | |
FT- | 114 | -77 | 29,0 | 19,1 | 7,49 | 1270,0 | |
FT- | 114A | -77 | 29,0 | 19,1 | 13,85 | 2340,0 | |
FT- | 140 | -77 | 35,6 | 22,9 | 12,70 | 2250,0 | |
FT- | 240 | -77 | 61,0 | 35,6 | 12,70 | 3130,0 | |
freq. Range | 0,5 / 30 MHz | ||||||
Permeability / µi = | 3000 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | mH/1000 turns | ||||
FT- | 87A | -F | 22,1 | 13,7 | 12,70 | 3700,0 | |
FT- | 114 | -F | 29,0 | 19,1 | 7,49 | 1902,0 | |
FT- | 150 | -F | 38,1 | 19,1 | 6,35 | 2640,0 | |
FT- | 150A | -F | 38,1 | 19,1 | 12,70 | 5020,0 | |
FT- | 193 | -F | 38,1 | 31,8 | 15,88 | 3640,0 | |
FT- | 193A | -F | 49,1 | 31,8 | 19,05 | 4460,0 | |
freq. Range | 1 / 15 MHz | ||||||
Permeability / µi = | 5000 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | mH/1000 turns | ||||
FT- | 23 | -J | 5,8 | 3,0 | 1,52 | 990,0 | |
FT- | 37 | -J | 9,5 | 4,7 | 3,18 | 2110,0 | |
FT- | 50 | -J | 12,7 | 7,1 | 4,78 | 2750,0 | |
FT- | 50A | -J | 12,7 | 7,9 | 6,35 | 2990,0 | |
FT- | 87 | -J | 22,1 | 13,7 | 6,35 | 3020,0 | |
FT- | 87A | -J | 22,1 | 13,7 | 12,70 | 6040,0 | |
FT- | 114 | -J | 29,0 | 19,1 | 7,49 | 3170,0 | |
FT- | 140A | -J | 35,6 | 22,9 | 14,99 | 6736,0 | |
FT- | 150 | -J | 38,1 | 19,1 | 6,35 | 4400,0 | |
FT- | 150A | -J | 38,1 | 19,1 | 12,70 | 8370,0 | |
FT- | 193 | -J | 38,1 | 31,8 | 15,88 | 6065,0 | |
FT- | 193A | -J | 49,1 | 31,8 | 19,05 | 7435,0 | |
FT- | 240 | -J | 61,0 | 35,6 | 12,70 | 6845,0 | |
FT- | 337 | -J | 85,7 | 55,5 | 12,70 | ||
Amidon IRON POWDER TOROIDAL CORES | |||||||
freq. Range | 100 / 300 MHz | Color | Tan | ||||
Permeability / µi = | 1 | Tan | |||||
D | h | AL Value | |||||
mm | mm | mm | uH/100 turns | ||||
T- | 12 | -0 | 3,175 | 1,575 | 1,27 | 3 | |
T- | 16 | -0 | 4,064 | 1,981 | 1,524 | 3 | |
T- | 20 | -0 | 5,08 | 2,235 | 1,778 | 3,5 | |
T- | 25 | -0 | 6,35 | 3,048 | 2,438 | 4,5 | |
T- | 30 | -0 | 7,798 | 3,835 | 3,251 | 6 | |
T- | 37 | -0 | 9,525 | 5,207 | 3,251 | 4,9 | |
T- | 44 | -0 | 11,176 | 5,817 | 4,039 | 6,5 | |
T- | 50 | -0 | 12,7 | 7,62 | 4,826 | 6,4 | |
T- | 68 | -0 | 17,526 | 9,398 | 4,826 | 7,5 | |
T- | 80 | -0 | 20,193 | 12,573 | 6,35 | 8,5 | |
T- | 94 | -0 | 23,927 | 14,224 | 7,925 | 10,6 | |
T- | 106 | -0 | 26,924 | 14,478 | 11,1 | 19 | |
T- | 130 | -0 | 33,02 | 19,812 | 11,1 | 15 | |
freq. Range | 0,05 / 5 MHz | Color | Blue | ||||
Permeability / µi = | 20 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 12 | -1 | 3,175 | 1,575 | 1,27 | 48 | |
T- | 16 | -1 | 4,064 | 1,981 | 1,524 | 44 | |
T- | 20 | -1 | 5,08 | 2,235 | 1,778 | 52 | |
T- | 25 | -1 | 6,35 | 3,048 | 2,438 | 70 | |
T- | 30 | -1 | 7,798 | 3,835 | 3,251 | 85 | |
T- | 37 | -1 | 9,525 | 5,207 | 3,251 | 80 | |
T- | 44 | -1 | 11,176 | 5,817 | 4,039 | 105 | |
T- | 50 | -1 | 12,7 | 7,62 | 4,826 | 100 | |
T- | 68 | -1 | 17,526 | 9,398 | 4,826 | 115 | |
T- | 80 | -1 | 20,193 | 12,573 | 6,35 | 115 | |
T- | 94 | -1 | 23,927 | 14,224 | 7,925 | 160 | |
T- | 106 | -1 | 26,924 | 14,478 | 11,1 | 325 | |
T- | 130 | -1 | 33,02 | 19,812 | 11,1 | 200 | |
T- | 157 | -1 | 39,878 | 24,13 | 14,478 | 320 | |
T- | 184 | -1 | 46,736 | 24,13 | 18,034 | 500 | |
T- | 200 | -1 | 50,8 | 31,75 | 13,97 | 250 | |
freq. Range | 2 / 30 MHz | Color | Red | ||||
Permeability / µi = | 10 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 12 | -2 | 3,175 | 1,575 | 1,27 | 20 | |
T- | 16 | -2 | 4,064 | 1,981 | 1,524 | 22 | |
T- | 20 | -2 | 5,08 | 2,235 | 1,778 | 25 | |
T- | 25 | -2 | 6,35 | 3,048 | 2,438 | 34 | |
T- | 30 | -2 | 7,798 | 3,835 | 3,251 | 43 | |
T- | 37 | -2 | 9,525 | 5,207 | 3,251 | 40 | |
T- | 44 | -2 | 11,176 | 5,817 | 4,039 | 52 | |
T- | 50 | -2 | 12,7 | 7,62 | 4,826 | 49 | |
T- | 68 | -2 | 17,526 | 9,398 | 4,826 | 57 | |
T- | 80 | -2 | 20,193 | 12,573 | 6,35 | 55 | |
T- | 94 | -2 | 23,927 | 14,224 | 7,925 | 84 | |
T- | 106 | -2 | 26,924 | 14,478 | 11,1 | 135 | |
T- | 130 | -2 | 33,02 | 19,812 | 11,1 | 110 | |
T- | 157 | -2 | 39,878 | 24,13 | 14,478 | 140 | |
T- | 184 | -2 | 46,736 | 24,13 | 18,034 | 240 | |
T- | 200 | -2 | 50,8 | 31,75 | 13,97 | 120 | |
T- | 200a | -2 | 50,8 | 31,75 | 25,4 | 218 | |
T- | 225 | -2 | 57,15 | 35,56 | 13,97 | 120 | |
T- | 225a | -2 | 57,15 | 35,56 | 25,4 | 215 | |
T- | 300 | -2 | 76,2 | 48,768 | 12,7 | 114 | |
T- | 300a | -2 | 76,2 | 48,768 | 25,4 | 228 | |
T- | 400 | -2 | 101,6 | 57,15 | 16,51 | 180 | |
T- | 400a | -2 | 101,6 | 57,15 | 25,4 | 360 | |
T- | 520 | -2 | 132,08 | 78,232 | 203,2 | 207 | |
freq. Range | 0,05 / 0,5 MHz | Color | Gray | ||||
Permeability / µi = | 35 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 12 | -3 | 3,175 | 1,575 | 1,27 | 60 | |
T- | 16 | -3 | 4,064 | 1,981 | 1,524 | 61 | |
T- | 20 | -3 | 5,08 | 2,235 | 1,778 | 76 | |
T- | 25 | -3 | 6,35 | 3,048 | 2,438 | 100 | |
T- | 30 | -3 | 7,798 | 3,835 | 3,251 | 140 | |
T- | 37 | -3 | 9,525 | 5,207 | 3,251 | 120 | |
T- | 44 | -3 | 11,176 | 5,817 | 4,039 | 180 | |
T- | 50 | -3 | 12,7 | 7,62 | 4,826 | 175 | |
T- | 68 | -3 | 17,526 | 9,398 | 4,826 | 195 | |
T- | 80 | -3 | 20,193 | 12,573 | 6,35 | 180 | |
T- | 94 | -3 | 23,927 | 14,224 | 7,925 | 248 | |
T- | 106 | -3 | 26,924 | 14,478 | 11,1 | 450 | |
T- | 130 | -3 | 33,02 | 19,812 | 11,1 | 350 | |
T- | 157 | -3 | 39,878 | 24,13 | 14,478 | 420 | |
T- | 184 | -3 | 46,736 | 24,13 | 18,034 | 720 | |
T- | 200 | -3 | 50,8 | 31,75 | 13,97 | 425 | |
T- | 200a | -3 | 50,8 | 31,75 | 25,4 | 460 | |
T- | 225 | -3 | 57,15 | 35,56 | 13,97 | 425 | |
freq. Range | 10 / 50 MHz | Color | Yello | ||||
Permeability / µi = | 8 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 12 | -6 | 3,175 | 1,575 | 1,27 | 17 | |
T- | 16 | -6 | 4,064 | 1,981 | 1,524 | 19 | |
T- | 20 | -6 | 5,08 | 2,235 | 1,778 | 22 | |
T- | 25 | -6 | 6,35 | 3,048 | 2,438 | 27 | |
T- | 30 | -6 | 7,798 | 3,835 | 3,251 | 36 | |
T- | 37 | -6 | 9,525 | 5,207 | 3,251 | 30 | |
T- | 44 | -6 | 11,176 | 5,817 | 4,039 | 42 | |
T- | 50 | -6 | 12,7 | 7,62 | 4,826 | 40 | |
T- | 68 | -6 | 17,526 | 9,398 | 4,826 | 47 | |
T- | 80 | -6 | 20,193 | 12,573 | 6,35 | 45 | |
T- | 94 | -6 | 23,927 | 14,224 | 7,925 | 70 | |
T- | 106 | -6 | 26,924 | 14,478 | 11,1 | 116 | |
T- | 130 | -6 | 33,02 | 19,812 | 11,1 | 96 | |
T- | 157 | -6 | 39,878 | 24,13 | 14,478 | 115 | |
T- | 184 | -6 | 46,736 | 24,13 | 18,034 | 195 | |
T- | 200 | -6 | 50,8 | 31,75 | 13,97 | 100 | |
T- | 200a | -6 | 50,8 | 31,75 | 25,4 | 180 | |
T- | 225 | -6 | 57,15 | 35,56 | 13,97 | 100 | |
freq. Range | 3 / 35 MHz | Color | White | ||||
Permeability / µi = | 9 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 25 | -7 | 6,35 | 3,048 | 2,438 | 29 | |
T- | 37 | -7 | 9,525 | 5,207 | 3,251 | 32 | |
T- | 50 | -7 | 12,7 | 7,62 | 4,826 | 43 | |
T- | 68 | -7 | 17,526 | 9,398 | 4,826 | 52 | |
freq. Range | 30 / 100 MHz | Color | Black | ||||
Permeability / µi = | 6 | ||||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 12 | -10 | 3,175 | 1,575 | 1,27 | 12 | |
T- | 16 | -10 | 4,064 | 1,981 | 1,524 | 13 | |
T- | 20 | -10 | 5,08 | 2,235 | 1,778 | 16 | |
T- | 25 | -10 | 6,35 | 3,048 | 2,438 | 19 | |
T- | 30 | -10 | 7,798 | 3,835 | 3,251 | 25 | |
T- | 37 | -10 | 9,525 | 5,207 | 3,251 | 25 | |
T- | 44 | -10 | 11,176 | 5,817 | 4,039 | 33 | |
T- | 50 | -10 | 12,7 | 7,62 | 4,826 | 31 | |
T- | 68 | -10 | 17,526 | 9,398 | 4,826 | 32 | |
T- | 80 | -10 | 20,193 | 12,573 | 6,35 | 32 | |
T- | 94 | -10 | 23,927 | 14,224 | 7,925 | 58 | |
freq. Range | 50 / 200 MHz | Color | Green | ||||
Permeability / µi = | 4 | White | |||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 12 | -12 | 3,175 | 1,575 | 1,27 | 7,5 | |
T- | 16 | -12 | 4,064 | 1,981 | 1,524 | 8 | |
T- | 20 | -12 | 5,08 | 2,235 | 1,778 | 10 | |
T- | 25 | -12 | 6,35 | 3,048 | 2,438 | 12 | |
T- | 30 | -12 | 7,798 | 3,835 | 3,251 | 16 | |
T- | 37 | -12 | 9,525 | 5,207 | 3,251 | 15 | |
T- | 44 | -12 | 11,176 | 5,817 | 4,039 | 18,5 | |
T- | 50 | -12 | 12,7 | 7,62 | 4,826 | 18 | |
T- | 68 | -12 | 17,526 | 9,398 | 4,826 | 21 | |
T- | 80 | -12 | 20,193 | 12,573 | 6,35 | 22 | |
T- | 94 | -12 | 23,927 | 14,224 | 7,925 | 32 | |
freq. Range | 0,1 / 2 MHz | Color | Red | ||||
Permeability / µi = | 25 | White | |||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 12 | -15 | 3,175 | 1,575 | 1,27 | 50 | |
T- | 16 | -15 | 4,064 | 1,981 | 1,524 | 55 | |
T- | 20 | -15 | 5,08 | 2,235 | 1,778 | 65 | |
T- | 25 | -15 | 6,35 | 3,048 | 2,438 | 85 | |
T- | 30 | -15 | 7,798 | 3,835 | 3,251 | 93 | |
T- | 37 | -15 | 9,525 | 5,207 | 3,251 | 90 | |
T- | 44 | -15 | 11,176 | 5,817 | 4,039 | 160 | |
T- | 50 | -15 | 12,7 | 7,62 | 4,826 | 135 | |
T- | 68 | -15 | 17,526 | 9,398 | 4,826 | 180 | |
T- | 80 | -15 | 20,193 | 12,573 | 6,35 | 170 | |
T- | 94 | -15 | 23,927 | 14,224 | 7,925 | 200 | |
T- | 106 | -15 | 26,924 | 14,478 | 11,1 | 345 | |
T- | 130 | -15 | 33,02 | 19,812 | 11,1 | 250 | |
T- | 157 | -15 | 39,878 | 24,13 | 14,478 | 360 | |
freq. Range | 20 / 200 MHz | Color | Blue | ||||
Permeability / µi = | 4 | Yello | |||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 12 | -17 | 3,175 | 1,575 | 1,27 | 7,5 | |
T- | 16 | -17 | 4,064 | 1,981 | 1,524 | 8 | |
T- | 20 | -17 | 5,08 | 2,235 | 1,778 | 10 | |
T- | 25 | -17 | 6,35 | 3,048 | 2,438 | 12 | |
T- | 30 | -17 | 7,798 | 3,835 | 3,251 | 16 | |
T- | 37 | -17 | 9,525 | 5,207 | 3,251 | 15 | |
T- | 44 | -17 | 11,176 | 5,817 | 4,039 | 18,5 | |
T- | 50 | -17 | 12,7 | 7,62 | 4,826 | 18 | |
T- | 68 | -17 | 17,526 | 9,398 | 4,826 | 21 | |
T- | 80 | -17 | 20,193 | 12,573 | 6,35 | 22 | |
T- | 94 | -17 | 23,927 | 14,224 | 7,925 | 32 | |
freq. Range | Dc to Max 1 MHz Low Q | Color | Yello | ||||
Permeability / µi = | 75 | White | |||||
D | d | h | AL Value | ||||
mm | mm | mm | uH/100 turns | ||||
T- | 30 | -26 | 7,798 | 3,835 | 3,251 | 325 | |
T- | 37 | -26 | 9,525 | 5,207 | 3,251 | 275 | |
T- | 44 | -26 | 11,176 | 5,817 | 4,039 | 360 | |
T- | 50 | -26 | 12,7 | 7,62 | 4,826 | 320 | |
T- | 68 | -26 | 17,526 | 9,398 | 4,826 | 420 | |
T- | 80 | -26 | 20,193 | 12,573 | 6,35 | 450 | |
T- | 94 | -26 | 23,927 | 14,224 | 7,925 | 590 | |
T- | 106 | -26 | 26,924 | 14,478 | 11,1 | 900 | |
T- | 130 | -26 | 33,02 | 19,812 | 11,1 | 785 | |
T- | 157 | -26 | 39,878 | 24,13 | 14,478 | 970 | |
T- | 184 | -26 | 46,736 | 24,13 | 18,034 | 1640 | |
T- | 200 | -26 | 50,8 | 31,75 | 13,97 | 895 | |
T- | 200a | -26 | 50,8 | 31,75 | 25,4 | 1525 | |
T- | 225 | -26 | 57,15 | 35,56 | 13,97 | 950 | |
T- | 225a | -26 | 57,15 | 35,56 | 25,4 | 1600 | |
T- | 300 | -26 | 76,2 | 48,768 | 12,7 | 800 | |
T- | 300a | -26 | 76,2 | 48,768 | 25,4 | 1600 | |
T- | 400 | -26 | 101,6 | 57,15 | 16,51 | 1300 | |
T- | 400a | -26 | 101,6 | 57,15 | 25,4 | 2600 | |
T- | 520 | -26 | 132,08 | 78,232 | 203,2 | 1460 | |