Product Model: MFT-23-43
MFT: Model code
23: Size code (in inches)
43: Material number
As one of the reputable magnetic core manufacturers, we provide the high-quality electronic component wholesale to meet customers' needs. Explore the properties and applications of our ferrite toroid cores, including the widely used 43 Material Ferrite Toroids, 52 Material Ferrite Toroids, and many others. Whether you're looking for 68 Material Ferrite Toroids, 77 Material Ferrite Toroids, J Material Toroids, F Material Toroids, K Material Toroids, H Material Toroids or W Material Ferrite Toroids, Magnetic Cube provides the right solution at competitive prices for the best value.
Material Properties of Ferrite Toroids
Material: Ferrite AL value test condition: nH/N² @10KHz
Material Number: 43 4A3 52 61 67 68 75 77 F H J K W
Permeability / µi 800 800 250 125 40 20 5000 2000 3000 15000 5000 290 10000
AL Tolerance (%) ±25% ±25% ±25% ±25% ±25% ±25% ±25% ±25% ±25% ±30% ±25% ±25% ±30%
Material Information of Ferrite Toroids
43&4A3 Material Ferrite Toroids: The Material ferrite toroid core is used for EMI/RFI suppression in the 20 MHz to 250 MHz range. The Model MFT-23-43 is highly effective in reducing electromagnetic interference, making them essential components in high-frequency applications.
52 Material Ferrite Toroids: The 52 Material ferrite toroid core which is made of a new NiZn Ferrite material, combines a high saturation flux density and a high Curie temperature. These 52 Material magnetic cores are used for EMI/RFI suppression in the 200 MHz to 1 GHz range. Additionally, 52 Material iron powder toroids offer versatility in power applications.
61 Material Ferrite Toroids: The 61 Material ferrite toroid core is designed for inductive applications up to 25MHz. These 61 Material ferrite toroids also suppress noise frequencies from 200MHz to 1000 MHz.
67 Material Ferrite Toroids: The 67 F Material ferrite toroid core is for high Q inductors up to 50 MHz with effective suppression of frequencies above 1000 MHz. These 67 Material Ferrite Toroids cores are perfect for RF circuits and high-frequency filtering applications.
68 Material Ferrite Toroids: The 68 Material ferrite toroid core is non-standard and only in stock on a few sizes. These 68 Material ferrite toroids offer high-Q performance up to 100 MHz and are tailored for specialized high-frequency applications.
75 Material Ferrite Toroids: The 75 Material ferrite toroid core attenuates extremely well between 0.5 MHz and 20 MHz. These 75 Material toroids are ideal for applications requiring robust performance in low-frequency noise suppression.
77 Material Ferrite Toroids: The 77 Material ferrite toroid core is used in the form of ferrite toroidal coils for transformers, inductors and RF interference suppression. These 77 Material ferrite toroids are highly efficient in reducing electromagnetic noise at a wide range of frequencies.
F Material Ferrite Toroids: The F Material ferrite toroid core has a high saturation flux density at high temperatures. Application of power conversion transformer. Good noise suppression between 0.5 and 20mhz. These F Material ferrite toroids are commonly used in power conversion transformers and provide effective noise suppression between 0.5 MHz and 20 MHz.
H Material Ferrite Toroids: Production of the H Material ferrite toroid core has been discontinued and limited quantities are available. These H Material ferrite toroids provide reliable performance in legacy systems.
J Material Ferrite Toroids: The J Material ferrite toroid core has low volume resistivity and low core loss in the range of 1 KHz to 1 MHz. The J Material ferrite toroids are specifically designed for pulse transformers and low-level broadband transformers. These J Material ferrite toroid cores excel in frequency attenuation, offering superior performance from 0.5 MHz to 20 MHz.
K Material Ferrite Toroids: The K Material ferrite toroid core is mainly used for transmission line transformers from 1 MHz to 50 MHz. These K Material ferrite toroids are widely used in RF transmission systems, ensuring minimal signal loss and high efficiency.
W Material Ferrite Toroids: The W Material ferrite toroid core is a high permeability material used for frequency attenuation from 100 KHz to 1MHz in EMI/RFI filters. These W Material ferrite toroids provide excellent suppression of unwanted noise in sensitive electronic circuits.
Electrical characteristics of Ferrite Toroids
Dimensions Outer Diameter
OD(inch) The Inside Diameter of
ID(inch) High
HT(inch) Inductance Coefficient AL Value(nH/N²
Whether to Coat/Coating Color
MFT-23-43 0.23 0.12 0.06 15.8
MFT-37-43 0.375 0.187 0.125 35
MFT-50-43 0.5 0.281 0.188 44
MFT-50A-43 0.5 0.312 0.25 48
MFT-50A-43C 0.529 0.283 0.28 48 Yes
MFT-50B-43 0.5 0.312 0.5 96.5
MFT-63A-43 0.63 0.378 0.25 52
MFT-82-43 0.825 0.52 0.25 47
MFT-82A-43 0.825 0.52 0.468 88.5
MFT-87-43 0.87 0.54 0.25 48.5
MFT-87A-43 0.87 0.54 0.5 97
MFT-87A-43C 0.87 0.54 0.5 97 Yes
MFT-100-43 1 0.61 0.25 50
MFT-100A-43 1 0.61 0.32 64.5
MFT-100B-43 1 0.61 0.5 100
MFT-114-43 1.142 0.748 0.295 51
MFT-114A-43 1.142 0.748 0.545 95
MFT-125-43 1.25 0.75 0.375 77.5
MFT-140-43 1.4 0.9 0.5 88.5
MFT-140-43C/W 1.41 0.9 0.5 88.5 Yes/White
MFT-240-43 2.4 1.4 0.5 107.5
MFT-290-43 2.9 1.53 0.5 130
MFT-50-4A3 0.5 0.281 0.188 44
MFT-240-52 2.4 1.4 0.05 32.5
MFT-16-61 0.155 0.088 0.05 1.5
MFT-23-61 0.23 0.12 0.06 2.5
MFT-37-61 0.375 0.187 0.125 5.5
MFT-50-61 0.5 0.281 0.188 6.9
MFT-50-61C 0.51 0.271 0.198 6.9 Yes/White
MFT-50A-61 0.5 0.312 0.25 7.5
MFT-50B-61 0.5 0.312 0.5 15
MFT-63A-61 0.63 0.378 0.25 8
MFT-82-61 0.825 0.52 0.25 7.5
MFT-82A-61 0.825 0.52 0.468 13.5
MFT-87-61 0.87 0.54 0.25 7.5
MFT-114-61 1.142 0.748 0.295 8
MFT-114A-61 1.142 0.748 0.545 14.5
MFT-125-61 1.25 0.75 0.375 12
MFT-140-61 1.4 0.9 0.5 14
MFT-140-61C/G 1.41 0.89 0.51 14 Yes/Grey
MFT-240-61 2.4 1.4 0.5 17
MFT-350-61 3.5 2 0.5 17.8
MFT-450-61 4.5 2.5 0.5 To Be Determined.
MFT-23-67 0.23 0.12 0.06 0.6
MFT-37-67 0.375 0.187 0.125 1.8
MFT-5O-67 0.5 0.281 0.188 2.2
MFT-50A-67 0.5 0.312 0.25 2.4
MFT-50B-67 0.5 0.312 0.5 4.8
MFT-82-67 0.825 0.516 0.25 2.4
MFT-87-67 0.87 0.54 0.25 2.5
MFT-100A-67 1 0.61 0.32 3.2
MFT-114-67 1.142 0.748 0.295 2.5
MFT-114A-67 1.142 0.748 0.545 4.7±35%
MFT-125-67 1.25 0.75 0.375 3.9
MFT-140-67 1.4 0.9 0.5 4.5
MFT-240-67 2.4 1.4 0.5 5.5
MFT-350-67 3.5 2 0.5 55±20%
MFT-50-68 0.5 0.281 0.188 8.8
MFT-50A-68 0.5 0.312 0.25 9
MFT-82-68 0.82 0.52 0.25 9
MFT-140-68 1.4 0.906 0.5 12.5-0+30%
MFT-240-68 2.402 1.4 0.5 22
MFT-23-75 0.23 0.12 0.06 58.5
MFT-37-75 0.375 0.187 0.125 220
MFT-37-75C 0.38 0.18 0.13 220 Yes/White
MFT-50-75 0.5 0.281 0.188 272.5
MFT-50A-75 0.5 0.312 0.25 300
MFT-50B-75 0.5 0.312 0.5 600
MFT-82-75 0.825 0.52 0.25 295
MFT-87A-75 0.87 0.54 0.5 610
MFT-100A-75 1 0.61 0.32 400
MFT-140-75 1.4 0.9 0.5 550
MFT-290-75 2.9 1.53 0.5 810
MFT-23-77 0.23 0.12 0.06 42
MFT-23A-77 0.23 0.12 0.12 85
MFT-37-77 0.375 0.187 0.125 94.5
MFT-37-77C 0.38 0.18 0.13 94.5 Yes/White
MFT-50-77 0.5 0.281 0.188 118
MFT-50-77C 0.5 0.28 0.19 118 Yes/White
MFT-50A-77 0.5 0.312 0.25 130
MFT-5OB-77 0.5 0.312 0.5 259.5
MFT-63-77 0.63 0.378 0.182 101.5 Non-standard Parts
MFT-63A-77 0.63 0.378 0.25 140
MFT-82-77 0.825 0.52 0.25 127
MFT-82A-77 0.825 0.52 0.468 237.5
MFT-100A-77 1 0.61 0.32 173
MFT-114-77 1.142 0.748 0.295 136.5
MFT-114-77C 1.187 0.709 0.324 136.5 Yes/White
MFT-114A-77 1.142 0.748 0.545 252
MFT-125-77 1.25 0.75 0.375 209
MFT-140-77 1.4 0.9 0.5 254.5
MFT-240-77 2.4 1.4 0.5 315.5
MFT-290-77 2.9 1.53 0.5 350
MFT-23-F 0.23 0.12 0.06 58.5
MFT-87A-F 0.87 0.54 0.5 362.4
MFT-114-F 1.142 0.748 0.295 190.2
MFT-114-FC 1.142 0.748 0.295 190.2 Yes
MFT-140A-F 1.4 0.906 0.59 404
MFT-140B-F 1.4 0.906 0.394 272.6
MFT-150-FC 1.5 0.75 0.25 264 Yes
MFT-150A-F 1.5 0.75 0.5 502
MFT-193A-F 1.932 1.252 0.75 446
MFT-240-F 2.4 1.4 0.5 410.7
MFT-240-FC 2.4 1.4 0.5 410.7 Yes
MFT-290-F 2.9 1.53 0.5 448±20%
MFT-37-H 0.375 0.187 0.125 650
MFT-23-J 0.23 0.12 0.06 98
MFT-37-J 0.375 0.187 0.125 219.6
MFT-37-JC 0.4 0.18 0.15 219.6 Yes
MFT-50-J 0.5 0.281 0.188 281.5
MFT-50A-J 0.5 0.312 0.25 296.8
MFT-87-J 0.87 0.54 0.25 302
MFT-87A-J 0.87 0.54 0.5 604
MFT-114-J 1.142 0.748 0.295 317
MFT-140A-J 1.4 0.906 0.59 673.6
MFT-140A-JC 1.41 0.9 0.6 673.6 Yes
MFT-150-J 1.5 0.75 0.25 440
MFT-150A-J 1.5 0.8 0.5 836.5
MFT-193-J 1.932 1.252 0.625 606.5
MFT-193A-JC 1.932 1.252 0.75 743.5 Yes
MFT-240-J 2.4 1.4 0.5 684.5
MFT-290-J 2.9 1.53 0.5 814
MFT-337-J 3.375 2.187 0.5 552
MFT-150A-K 1.5 0.75 0.5 53
MFT-240-K 2.35 1.37 0.5 45.8
MFT-23-W 0.25 0.12 0.06 198.2
MFT-30-WC 0.31 0.13 0.19 835 Yes
MFT-37-WC 0.375 0.187 0.125 439.2 Yes
MFT-37-WY 0.375 0.187 0.125 439.2 Yes/Paliling
MFT-5O-W 0.5 0.281 0.188 543
MFT-50A-W 0.5 0.312 0.25 593.6
MFT-87-W 0.87 0.54 0.25 604
MFT-87A-W 0.87 0.54 0.5 1208
MFT-87B-W 0.87 0.54 0.312 740
MFT-140A-W 1.417 0.906 0.59 1340
MFT-150A-W 1.5 0.75 0.5 1670
MFT-193-W 1.932 1.252 0.625 To Be Determined. Yes
CMFT-240-W 2.4 1.4 0.5 1369
MFT-290-W 2.9 1.53 0.5 1682
MFT-337-WC 3.37 2.135 0.5 1104 Yes
Advantages of Ferrite Toroids
Customization: We provide custom ferrite cores to meet your specific design requirements.
High Performance: Our ferrite materials, including 68 Material ferrite toroid cores and 77 Material ferrite toroid cores, are engineered for maximum efficiency in EMI/RFI suppression and inductive applications.
Wide Range: From 43 Material multi-aperture cores to W Material ferrite toroid cores, MCT offers a comprehensive range of materials and sizes to fit your project’s needs.
Contact us today to learn more about our magnetic core selection and how our products, including 61 Material ferrite toroid cores, H Material ferrite toroid cores, K Material ferrite toroid cores, and more, can enhance the performance of your electronic systems.
Key Factors for Ferrite Toroids Selection
Material: Different materials, such as 52 Material ferrite toroid cores and 67 Material ferrite toroid cores, perform better at different frequency ranges and power levels.
Size & Shape: The size and shape of the core, such as 43 Material ferrite toroid cores and 52 Material ferrite toroid cores, will affect inductance and power handling capabilities.
Frequency Range: Choose the appropriate material based on the specific frequency range of your application. For example, 75 Material ferrite toroid cores are ideal for low-frequency suppression, while 67 Material ferrite toroid cores excel at higher frequencies.
Power Handling: Ensure that the ferrite toroid can handle the power level required for your application. Cores such as F Material ferrite toroid cores are designed for high-power applications, including power conversion transformers.
Whether you're working with 43 Material toroids, 52 Material toroids, 77 Material ferrite toroid cores, or 61 Material multi-aperture cores, MCT offers detailed guidance and customization options to ensure you get the best results.
If you are looking for a reliable inductive components manufacturing inc, please choose us, and we will be your best partner.