Ferrite Toroidal Cores : CWS ByteMark, largest supplier of toroids, ferrite cores, iron powder cores, MPP cores and RF cores

Ferrite Toroidal Cores

F-series

A_L (nH/Sq Turn or nH/N²) is the A_L value. Required turn = square root of ( desired 'L' in nH /'A_L' in nH/Sq Turn)
CWS ByteMark Part Number is the part number to use to place purchase order
O.D. is the outer diameter of the toroid core
I.D. is the inside diameter of the toroid core
HT is the height of the toroid core

Color may vary by material and coating characteristics

Parts are RoHS compliant, For more technical details go to: http://www.bytemark.com/products/ferrite_matl.htm
For other product details refer to: http://www.bytemark.com

Need help with your toroid design ? Please visit: www.coilws.com

Please call for volume and price inquiries or email sales@cwsbytemark.com
Part Number (Type - Size (inches) - Material/Coat or Mix) where C stands for a coat type (see PDF)
Ex: F-23-43 F= Ferrite Toroidal 0.23= O.D. Dimension 43= Material Type or Mix O.D. is divided by 100 to get measurement in inches

Displaying 1 to 132 (of 132 products)

Part Number A_L
nH/N² O.D. x I.D. x HT
(in.) Material Initial Permeability Alternate
Part # A_e
(cm²) L_e
(cm) Weight
(g) Price

F-114-43 510 1.142 x 0.748 x 0.295 43 800 5943001001 0.37 7.3 13.00 $2.25

F-114-61 80 1.142 x 0.748 x 0.285 61 125 5961001001 0.37 7.3 13.00 $2.25

F-114-67 25 1.142 x 0.748 x 0.295 67 40 5967001001 0.37 7.3 13.00 $3.50

F-114-77 1275 1.142 x 0.748 x 0.295 77 2000 5977001001 0.37 7.3 13.00 $2.25

F-114-F 1902 1.142 x 0.748 x 0.295 F 3000 OF-42908-TC 0.358 7.32 12.90 $2.25

F-114-J 3170 1.1420 x 0.748 x 0.295 J 5000 OJ-42908-TC 0.358 7.32 12.90 $2.25

F-114-JC 3170 1.1420 x 0.748 x 0.295 J 5000 ZJ-42908-TC 0.358 7.32 12.90 $2.75

F-114-W 6340 1.142 x 0.748 x 0.295 W 10000 OW-42908-TC 0.358 7.32 12.90 $2.25

F-114A-43 950 1.142 x 0.748 x 0.545 43 800 5977001201 0.68 7.3 26.00 $2.45

F-114A-61 145 1.142 x 0.748 x 0.545 61 125 5961001201 0.68 7.3 26.00 $2.80

F-114A-77 2350 1.142 x 0.748 x 0.545 77 2000 5977001201 0.68 7.3 26.00 $2.45

F-114B-WC 12894 1.142 x 0.748 x 0.600 W 10000 ZW-42915-TC 0.74 7.32 27.60

F-125-K 2615 1.250 x 0.900 x 0.500 K 290 F-125-K $4.00 $1.75
Save: 56% off

F-140-43 885 1.400 x 0.900 x 0.500 43 800 5943002701 0.79 8.9 33.00 $3.75

F-140-61 140 1.400 x 0.900 x 0.500 61 125 5961002701 0.79 8.9 33.00 $3.75

F-140-67 45 1.400 x 0.900 x 0.500 67 40 5967002701 0.79 8.9 33.00 $5.00

F-140-77 2250 1.400 x 0.900 x 0.500 77 2000 5977002701 0.79 8.9 33.00 $3.75

F-140-77C 2400 1.448 x 0.865 x 0.539 77 2000 5977002721 0.79 8.9 33.00

F-140A-F 4040 1.417 x 0.906 x 0.590 F 3000 OF-43615-TC 0.946 8.97 44.00 $4.50

F-140A-J 6736 1.417 x 0.906 x 0.590 J 5000 OJ-43615-TC 0.946 8.97 44.00 $4.50

F-140A-JC 6736 1.417 x 0.906 x 0.590 J 5000 ZJ-43615-TC 0.946 8.97 44.00

F-140A-W 13400 1.417 x 0.906 x 0.590 W 10000 OW-43615-TC 0.946 8.97 44.00 $4.50

F-140A-WC 13400 1.417 x 0.906 x 0.590 W 10000 ZW-43615-TC 0.946 8.97 44.00

F-150-F 2640 1.500 x 0.750 x 0.250 F 3000 OF-43806-TC 0.57 8.3 26.40 $5.00

F-150-J 4400 1.500 x 0.750 x 0.250 J 5000 OJ-43806-TC 0.57 8.3 26.40 $5.00

F-150-JC 4400 1.500 x 0.750 x 0.250 J 5000 ZJ-43806-TC 0.57 8.3 26.40

F-150-W 8800 1.500 x 0.750 x 0.250 W 10000 OW-43806-TC 0.57 8.3 26.40 $5.00
... more info

F-150-WC 8800 1.500 x 0.750 x 0.250 W 10000 ZW-43806-TC 0.57 8.3 26.40

F-150A-F 5020 1.500 x 0.750 x 0.500 F 3000 OF-43813-TC 1.15 8.3 51.70 $7.50

F-150A-J 8365 1.500 x 0.750 x 0.500 J 5000 OJ-43813-TC 1.15 8.3 51.70 $8.00

F-150A-K 4508 1.500 x 0.750 x 0.500 K 290 F-150A-K $7.00

F-150A-W 16700 1.500 x 0.750 x 0.500 W 10000 OW-43813-TC 1.15 8.3 51.70 $8.00
... more info

F-150A-WC 16700 1.500 x 0.750 x 0.500 W 10000 ZW-43813-TC 1.15 8.3 51.70 $9.00

F-193-J 6065 1.932 x 1.252 x 0.625 J 5000 OJ-44920-TC 1.19 12.3 74.60 $10.00

F-193-WC 12130 1.932 x 1.252 x 0.625 W 10000 ZW-44920-TC 1.19 12.3 74.60 $10.50

F-193A-F 4460 1.932 x 1.252 x 0.750 F 3000 OF-44925-TC 1.46 12.30 91.00 $10.50
... more info

F-193A-J 7435 1.932 x 1.252 x 0.750 J 5000 OJ-44925-TC 1.46 12.3 91.00 $10.50

F-200-K $11.50

F-23-43 158 0.230 x 0.120 x 0.060 43 800 5943000101 0.02 1.3 0.14 $0.50

F-23-61 25 0.230 x 0.120 x 0.060 61 125 5961000101 0.02 1.3 0.14 $0.50

F-23-67 6 Min 0.230 x 0.120 x 0.060 67 40 5967000101 0.02 1.3 0.14 $0.50

F-23-77 390 0.230 x 0.120 x 0.060 77 2000 5977000101 0.02 1.3 0.14 $0.50

F-23-F 585 0.230 x 0.12 x 0.060 F 3000 OF-40601-TC 0.021 1.3 0.14 $0.50

F-23-H 2940 0.230 x 0.120 x 0.060 H 15000 OH-40601-TC 0.021 1.3 0.14 $0.50

F-23-J 980 0.230 x 0.120 x 0.060 J 5000 OJ-40601-TC 0.021 1.3 0.14 $0.50

F-23-WC 1960 0.230 x 0.120 x 0.060 W 10000 YW-40601-TC 0.021 1.3 0.14 $1.00

F-234-KC 400 2.340 x 1.370 x 0.504 K 300 +/-25% F-234-KC $13.95

F-240-43 1075 2.400 x 1.400 x 0.500 43 800 5943003801 1.58 14.5 106.00 $12.00

F-240-43C 1075 2.472 x 1.347 x 0.539 43 800 5943003821 1.58 14.5 106.00

F-240-61 55 2.400 x 1.400 x 0.500 61 125 5961003801 1.58 14.5 106.00 $12.00
... more info

F-240-77 2725 2.400 x 1.400 x 0.500 77 2000 5977003801 1.58 14.5 106.00 $12.00

F-240-FC 4107 2.400 x 1.400 x 0.500 F 3000 ZF-46113-TC 1.56 14.5 117.30 $12.00

F-240-J 6845 2.400 x 1.400 x 0.500 J 5000 OJ-46113-TC 1.56 14.5 117.30 $12.00
... more info

F-240-JC 6845 2.400 x 1.400 x 0.500 J 5000 ZJ-46113-TC 1.56 14.5 117.30 $12.00

F-240-K $12.95

F-240-W 13690 2.400 x 1.400 x 0.500 W 10000 OW-46113-TC 1.56 14.5 117.30 $15.00

F-240-WC 13690 2.400 x 1.400 x 0.500 W 10000 ZW-46113TC 1.56 14.5 117.30 $20.00

F-290-43 1100 min 2.900 x 1.530 x 0.500 43 800 5943011101 2.15 16.7 188.00 $15.00

F-290-77 3225 2.900 x 1.530 x 0.500 77 2000 5977011101 2.15 16.7 188.00 $18.00

F-290-F 4880 2.900 x 1.530 x 0.500 F 3000 OF-47313TC 2.12 16.5 177.00 $20.00

F-290-J 8140 2.900 x 1.530 x 0.500 J 5000 OJ-47313-TC 2.12 16.5 177.00 $21.00
... more info

F-290-W 16280 2.900 x 1.530 x 0.500 W 10000 OW-47313-TC 2.12 16.5 177.00 $30.00
... more info

F-337-J 5520 3.375 x 2.187 x 0.500 J 5000 OJ-48613-TC 1.87 21.5 203.00 $25.00

F-37-43 350 0.375 x 0.187 x 0.125 43 800 5943000201 0.072 2.07 0.83 $0.60

F-37-61 55 0.375 x 0.187 x 0.125 61 125 5961000201 0.072 2.07 0.83 $0.60

F-37-67 18 0.375 x 0.187 x 0.125 67 40 5967000201 0.072 2.07 0.83 $0.60

F-37-68 5.3 Min 0.740 x 0.187 x 0.125 68 16 5968000201 0.073 2.07 0.83 $0.60

F-37-77 880 0.325 x 0.187 x 0.125 77 2000 5977000201 0.072 2.07 0.83 $0.60

F-37-F 1314 0.375 x 0.187 x 0.125 F 3000 OF-41003-TC 0.07 2.07 0.82 $0.60
... more info

F-37-J 2196 0.375 x 0.187 x 0.125 J 5000 OJ-41003-TC 0.07 2.07 0.82 $0.60

F-37-W 4392 0.375 x 0.187 x 0.125 W 10000 OW-41003-TC 0.07 2.07 0.82 $0.60

F-50-43 440 0.500 x 0.281 x - 0.188 43 800 5943000301 0.129 2.95 2.00 $0.75

F-50-61 69 0.500 x 0.281 x 0.188 61 125 5961000301 0.129 2.95 2.00 $0.75

F-50-67 22 0.500 x 0.281 x 0.188 67 40 5967000301 0.129 2.95 2.00 $0.75

F-50-68 6.6 Min 0.500 x 0.281 x 0.188 68 16 5968000301 0.129 2.95 2.00 $0.75

F-50-F 1630 0.500 x 0.281 x 0.188 F 3000 OF-41407-TC 0.126 2.95 1.90 $0.75

F-50-H 8140 0.500 x 0.281 x 0.188 H 15000 OH-41407-TC 0.126 2.95 1.90 $0.75

F-50-J 2715 0.500 x 0.281 x 0.188 J 5000 OJ-41407-TC 0.126 2.95 1.90 $0.75

F-50-WC 5430 0.500 x 0.281 x 0.188 W 10000 ZW-41407-TC 0.126 2.95 1.90 $0.75

F-50A-43 480 0.500 x 0.312 x 0.250 43 800 5943001101 0.15 3.12 2.40 $0.85

F-50A-61 75 0.500 x 0.312 x 0.250 61 125 5961001101 0.15 3.12 2.40 $0.85

F-50A-67 24 0.500 x 0.312 x 0.250 67 40 5967001101 0.15 3.12 2.40 $0.85

F-50A-68 7.2 Min 0.500 x 0.311 x 0.250 68 16 5968000301 0.15 3.12 2.40 $0.85
... more info

F-50A-77 1200 0.500 x 0.312 x 0.250 77 2000 5977001101 0.15 3.12 2.40 $0.85

F-50A-F 1782 0.500 x 0.312 x 0.250 F 3000 OF-41306-TC 0.146 3.12 2.40 $0.85
... more info

F-50A-H 8900 0.500 x 0.312 x 0.250 H 15000 OH-41396-TC 0.146 3.12 2.40 $1.25
... more info

F-50A-HC 8840 0.500 x 0.317 x 0.250 H 15000 ZH-41396-TC 0.146 3.12 2.40 $2.25

F-50A-J 2968 0.500 x 0.312 x 0.250 J 5000 OJ-41306-TC 0.146 3.12 2.40 $0.85

F-50A-W 5936 0.500 x 0.312 x 0.250 W 10000 OW-41306-TC 0.146 3.12 2.40 $1.00

F-50B-43 965 0.500 x 0.312 x 0.250 43 800 5943001901 0.299 3.12 4.70 $0.95

F-50B-61 150 0.500 x 0.312 x 0.250 61 125 5961001901 0.299 3.12 4.70 $0.95

F-50B-67 48 0.500 x 0.312 x 0.500 67 40 5967001901 0.299 3.12 4.70 $0.95

F-50B-75 6000 0.500 x 0.312 x 0.500 75 5000 5975001901 0.299 3.12 4.70 $0.95

F-50B-77 2400 0.500 x 0.312 x 0.500 77 2000 5977001901 0.299 3.12 4.70 $0.95

F-80-JC 4200 0.810 x 0.500 x 0.350 J 5000 ZJ-42109TC 0.326 5 8.10 $1.85

F-80-WC 8400 0.810 x 0.500 x 0.350 W 10000 ZW-42109-TC 0.326 5 8.10 $3.00

F-82-43 470 0.825 x 0.520 x 0.468 43 800 5943000601 0.243 5.2 6.40 $1.20

F-82-43C 470 0.860 x 0.489 x 0.280 43 800 5943000621 0.243 5.2 6.40

F-82-61 75 0.825 x 0.520 x 0.250 61 125 5961000601 0.243 5.2 6.40 $1.20

F-82-75 2950 0.825 x 0.520 x 0.250 75 5000 5975000601 0.243 5.2 6.40 $1.20

F-82-77 1175 0.825 x 0.520 x 0.250 77 2000 5977000601 0.243 5.2 6.40 $1.20

F-82-77C 1270 0.860 x 0.489 x 0.279 77 2000 5977000621 0.243 5.2 6.4 $2.00

F-87-43 485 0.870 x 0.540 x 0.250 43 800 5943001801 0.262 5.4 7.20 $1.50

F-87-61 75 0.87 x 0.540 x 0.250 61 125 5977001801 0.262 5.4 7.20 $1.50
... more info

F-87-77 1400 0.870 x 0.540 x 0.250 77 2000 5977001801 0.262 5.4 7.20 $1.50

F-87-F 1812 0.870 x 0.540 x 0.250 F 3000 OF-42206-TC 0.25 5.42 6.40 $1.20
... more info

F-87-H 9060 0.870 x 0.540 x 0.250 H 15000 OH-42206-TC 0.25 5.42 6.40 $1.75

F-87-J 3020 0.870 x 0.540 x 0.250 J 5000 OJ-42206-TC 0.25 5.42 6.40 $1.20

F-87-W 6040 0.870 x 0.540 x 0.250 W 10000 OW-42206-TC 0.25 5.42 6.40 $1.20

F-87A-F 3624 0.870 x 0.540 x 0.500 F 3000 OF-42212-TC 0.511 5.42 13.50 $2.00
... more info

F-87A-H 18100 0.870 x 0.540 x 0.500 H 15000 OH-42212-TC 0.511 5.42 13.50 $2.00

F-87A-J 6040 0.870 x 0.540 x 0.500 J 5000 OJ-422112-TC 0.511 5.42 13.50 $2.00

F-87A-W 12080 0.870 x 0.540 x 0.500 W 10000 0W-42212-TC 0.511 5.42 13.50 $2.00
... more info

OW-48613-TC 5520 3.375 x 2.187 x 0.500 W 10000 OW-48613-TC 1.87 21.5 203.00 $20.40

VJ-42206-TC 3020 0.87 x 0.49 x 0.54 J 5000 VJ-42206-TC 0.262 5.41 Approx. 6.8 $0.75

YJ-41003-TC 2196 0.375 x 0.187 x 0.125 J 5000 YJ-41003-TC 0.07 2.07 0.82 $0.60

YW-40402-TC 3800 0.190 x 0.090 x 0.100 W 10000 YW-40402-TC 0.0308 1.021 0.17 $0.39

YW-40705-TC 8350 0.300 x 0.125 x 0.188 W 10000 YW-40705-TC 0.098 1.5 0.90 $0.54

ZF-41005-TC 1314 0.375 x 0.187 x 0.188 F 3000 ZF-41005-TC 2.07 0.070 0.82 $0.96

ZF-41303-TC 894 0.500 x 0.312 x 0.125 F 3000 ZF-41303-TC 0.072 3.12 1.20 $0.54

ZF-41406-TC 2166 0.500 x 0.312 x 0.250 F 3000 ZF-41406-TC 0.169 2.95 2.70 $0.90

ZJ-40907-TC 3765 0.375 x 0.220 x 0.280 J 5000 ZJ-40907-TC 0.135 2.27 1.60 $2.88

ZJ-41305-TC 2380 0.500 x 0.312 x 0.200 J 5000 ZJ-41305-TC 0.117 3.12 1.90 $0.87

ZJ-41406-TC 3612 0.500 x 0.281 x 0.250 J 5000 ZJ-41406-TC 0.169 2.95 2.70

ZJ-42207-TC 3700 0.870 x 0.540 x 0.312 J 5000 ZJ-42207-TC 0.315 5.42 8.50 $1.38

ZP-41306-TC 1485 0.500 x 0.312 x 0.250 P 2500 ZP-41306-TC 0.146 3.12 2.40 $0.96

ZP-44416-TC 5830 1.750 x 0.750 x 0.625 P 2500 ZP-44416-TC 1.87 8.87 80.80 $7.59

ZP-47313-TC 4024 2.900 x 1.530 x 0.500 P 2500 ZP-47313-TC 2.12 16.5 177.00 $18.00

ZW-41809-TC 12200 0.726 x 0.384 x 0.404 W 10000 ZW-41809-TC 0.403 4.14 9.90 $1.65

ZW-42507-TC 7825 1.000 x 0.610 x 0.312 W 10000 ZW-42507-TC 0.374 6.17 11.60 $1.53

ZW-43610-TC 9085 1.417 x 0.906 x 0.394 W 10000 ZW-43610-TC 0.628 8.97 29.40 $6.15

ZW-44916-TC 11800 1.932 x 1.332 x 0.625 W 10000 ZW-44916-TC 1.16 12.70 75.30 $5.28

Displaying 1 to 132 (of 132 products)

Ferrite Toroidal Cores

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