Product Model: MFB - 31 - 0202
MFB: Model code
31: Material number
0202: Size code
As one of the reputable magnetic core manufacturers, we provide the high-quality electronic component wholesale to meet customers' needs.
| Material: Ferrite | AL value test condition: nH/N² @10KHz | |||||
| Material Number: | 43 | 61 | 67 | 73 | 75 | 77 |
| Permeability / µi | 800 | 125 | 40 | 2500 | 5000 | 2000 |
| AL Tolerance (%) | ±25% | ±25% | ±25% | ±25% | ±25% | ±25% |
43 Material Round Cable Beads: The material is used for EMI/RFI suppression in the 20 MHz to 250 MHz range
61 Material Round Cable Beads: The material is designed for inductive applications up to 25mhz and also suppresses noise frequencies from 200MHz to 1000 MHz.
67 Material Round Cable Beads: The Material is for high Q inductors up to 50 MHz. Suppresses frequencies above 1000 MHz.
73 Material Beads on Leads: Frequency range<50 MHz
75 Material Small Ferrite Shielding Beads: The material attenuates extremely well between 0.5 MHz and 20 MHz.
77 Material Round Cable Beads: The material is used in the form of ferrite toroidal coils for transformers, inductors and RF interference suppression.
| Product Number | Outer Diameter OD(mm) | The Inside Diameter of ID(mm) | High HT(mm) | Magnetic Permeability (μi) | Inductance nH/N² | Z(Ω) 200 KHz | Z(Ω) 500 KHz | Z(Ω) 1 MHz | Z(Ω) 2 MHz | Z(Ω) 5 MHz | Z(Ω) 10 MHz | Z(Ω) 25 MHz | Z(Ω) 100 MHz | Z(Ω) 250 MHz | Z(Ω) 500 MHz | Z(Ω) 1 GHz |
| MFB-31-0202 | 6.35±0.15 | 2.95±0.4 | 25.4±0.75 | 1500 | 5281 | 30 | 110 | 162 | 265 | 300 | ||||||
| MFB-31-1020 | 26.0±0.75 | 12.8±0.25 | 28.6±0.8 | 1500 | 6000 | 38 | 110 | 165 | 260 | 315 | ||||||
| MFB-31-1030 | 31.55±0.75 | 19.55±0.5 | 50.8±1.0 | 1500 | 7260 | 57 | 150 | 215 | 350 | 410 | ||||||
| MFB-31-1122 | 28.6±0.6 | 13.8±0.4 | 28.6±0.8 | 1500 | 6178 | 42 | 125 | 180 | 285 | 315 | ||||||
| MFB-31-4851 | 12.3±0.4 | 5.0±0.25 | 12.7±0.4 | 1500 | 3375 | 20 | 63 | 95 | 155 | 180 | ||||||
| MFB-31-4852 | 12.3±0.4 | 5.0±0.25 | 25.4±0.8 | 1500 | 6750 | 37 | 130 | 192 | 320 | 355 | ||||||
| MFB-31-5621 | 14.3±0.45 | 6.35±0.25 | 28.6±0.75 | 1500 | 6913 | 45 | 135 | 200 | 322 | 355 | ||||||
| MFB-31-5623 | 14.3±0.45 | 6.35±0.25 | 13.8±0.75 | 1500 | 3271 | 20 | 60 | 88 | 135 | 150 | ||||||
| MFB-31-6251 | 16.25±0.75 | 7.9±0.25 | 14.3±0.35 | 1500 | 2975 | 12 | 57 | 80 | 125 | 145 | ||||||
| MFB-31-6252 | 16.25±0.75 | 7.92±0.25 | 28.6±0.75 | 1500 | 5930 | 35 | 117 | 170 | 260 | 300 | ||||||
| MFB-31-6873 | 17.45±0.4 | 9.5±0.3 | 28.6±0.75 | 1500 | 5189 | 31 | 100 | 145 | 225 | 265 | ||||||
| MFB-31-7351 | 18.7±0.5 | 10.15±0.25 | 28.6±0.75 | 1500 | 5192 | 45 | 105 | 150 | 221 | 255 | ||||||
| MFB-31-11421 | 29.0±0.75 | 19.0±0.5 | 13.85±0.4 | 1500 | 1750 | 12 | 35 | 52 | 85 | 105 | ||||||
| MFB-31-20003 | 50.8±1.3 | 25.4±0.8 | 38.1±0.8 | 1500 | 7922 | 65 | 155 | 243 | 395 | 405 | ||||||
| MFB-31-24001 | 61.0±1.3 | 35.5±0.9 | 12.7±0.5 | 1500 | 2054 | 10 | 40 | 60 | 110 | 175 | ||||||
| MFB-31-40003 | 101.6±2.6 | 76.2±2.0 | 25.4±0.7 | 1500 | 2100 | 15 | 40 | 70 | 150 | 280 | ||||||
| MFB-43-083 | 5.08Typ. | 2.39Typ. | 11.1Typ. | 850 | 1425±30% | / | 104±20% | / | / | / | ||||||
| MFB-43-101 | 3.5Typ. | 1.3Typ. | 3.25Typ. | 850 | 500 | / | 17 | 25 | 40 | 55 | ||||||
| MFB-43-129C | 5.84Typ. | 3.05Typ. | 6Typ. | 850 | 663±30% | / | / | / | 43±20% | / | ||||||
| MFB-43-201 | 1.93Typ. | 1.09Typ. | 3.8Typ. | 850 | 345 | / | 12 | 15 | 30 | 45 | ||||||
| MFB-43-301 | 3.5Typ. | 1.3Typ. | 6.0Typ. | 800 | 950 | / | 30 | 45 | 60 | 83 | ||||||
| MFB-43-401 | 5.1Typ. | 1.45Typ. | 6.35Typ. | 800 | 1150 | / | 35 | 55 | 82 | 97 | ||||||
| MFB-43-501 | 1.93Typ. | 1.09Typ. | 1.52Typ. | 800 | 135 | / | 6 | 9 | 22 | 33 | ||||||
| MFB-43-0540 | 1.45±0.15 | 0.7±0.1 | 2.31±0.15 | 850 | 210 | / | 8 | 14 | 25 | 35 | ||||||
| MFB-43-701 | 3.5Typ. | 1.3Typ. | 12.7Typ. | 800 | 2000 | / | 60 | 80 | 125 | 148 | ||||||
| MFB-43-801 | 7.5Typ. | 2.25Typ. | 7.54Typ. | 800 | 1380 | / | 42 | 63 | 92 | 110 | ||||||
| MFB-43-1020 | 26.0±0.75 | 12.8±0.25 | 28.6±0.8 | 850 | 3200 | / | 90 | 135 | 205 | 250 | ||||||
| MFB-43-1024 | 26.0±0.75 | 12.7±0.25 | 21.3±0.5 | 850 | 2400 | / | 75 | 110 | 155 | 185 | ||||||
| MFB-43-1030 | 31.0±0.85 | 19.0±0.6 | 50.8±1.0 | 850 | 3950 | / | 125 | 190 | 300 | 430 | ||||||
| MFB-43-1122 | 28.5±0.46 | 13.77±0.25 | 28.58±0.76 | 850 | / | / | / | 160 | 307(229Min) | / | ||||||
| MFB-43-1392 | 3.48±0.2 | 1.65±0.25 | 4.06±0.25 | 850 | 427 | / | 15 | 25 | 35 | 40 | ||||||
| MFB-43-1501 | 3.5Typ. | 1.65Typ. | 3.25Typ. | 850 | 400 | / | 13 | 21 | 35 | 50 | ||||||
| MFB-43-1502 | 25.4±0.65 | 12.7±0.35 | 6.35±0.25 | 850 | 700 | / | 20 | 30 | 50 | 70 | ||||||
| MFB-43-2401 | 9.65Typ. | 5.05Typ. | 5.0Typ. | 800 | 500 | / | 15 | 25 | 43 | 55 | ||||||
| MFB-43-2501 | 6.35Typ. | 3.18Typ. | 12.7Typ. | 800 | 1400 | / | 43 | 70 | 100 | 110 | ||||||
| MFB-43-3751 | 9.5Typ. | 4.5Typ. | 6.35Typ. | 800 | 680 | / | 20 | 35 | 50 | 65 | ||||||
| MFB-43-3755 | 9.5±0.25 | 4.75±0.3 | 19.0±0.75 | 850 | 2000 | / | 65 | 95 | 140 | 165 | ||||||
| MFB-43-4502 | 31.0±0.75 | 19.0±0.5 | 16.3±0.75 | 850 | 1225 | / | 35 | 55 | 85 | 120 | ||||||
| MFB-43-4851 | 12.3±0.4 | 5.0±0.25 | 12.7±0.4 | 850 | 1800 | / | 65 | 90 | 125 | 140 | ||||||
| MFB-43-4852 | 12.3±0.4 | 5.0±0.3 | 25.4±0.8 | 850 | 3600 | / | 95 | 145 | 210 | 245 | ||||||
| MFB-43-5001 | 12.7±0.25 | 7.9±0.25 | 6.35±0.25 | 850 | 480 | / | 20 | 30 | 50 | 57 | ||||||
| MFB-43-5004 | 22.1±0.4 | 13.7±0.3 | 6.35±0.2 | 850 | 480 | / | 17 | 25 | 42 | 60 | ||||||
| MFB-43-5620 | 14.3±0.45 | 6.35±0.25 | 5.3±0.45 | 850 | 650 | / | 21 | 30 | 45 | 53 | ||||||
| MFB-43-5621 | 14.3±0.45 | 6.35±0.3 | 28.6±0.8 | 850 | 3700 | / | 105 | 160 | 230 | 262 | ||||||
| MFB-43-5622 | 14.3±0.45 | 6.35±0.25 | 10.15±0.4 | 850 | 1300 | / | 45 | 68 | 100 | 105 | ||||||
| MFB-43-5623 | 14.3±0.45 | 6.35±0.25 | 13.8±0.75 | 850 | 1700 | / | 48 | 75 | 105 | 121 | ||||||
| MFB-43-5624 | 14.3±0.45 | 7.1±0.25 | 15.25±0.45 | 850 | 1700 | / | 55 | 82 | 115 | 130 | ||||||
| MFB-43-5625 | 14.3±0.45 | 7.25±0.25 | 28.6±0.8 | 850 | 3050 | / | 110 | 160 | 225 | 255 | ||||||
| MFB-43-6251 | 16.25±0.75 | 7.9±0.25 | 14.3±0.35 | 850 | 1550 | / | 48 | 70 | 100 | 115 | ||||||
| MFB-43-6252 | 15.9±0.75 | 7.92±0.25 | 28.6±0.75 | 850 | 3150 | / | 120 | 172 | 240 | 280 | ||||||
| MFB-43-6301 | 9.5Typ. | 4.9Typ. | 10.4Typ. | 800 | 1000 | / | 34 | 53 | 80 | 90 | ||||||
| MFB-43-6353 | 9.5±0.25 | 4.75±0.3 | 10.4±0.25 | 850 | 1100 | / | 40 | 60 | 83 | 100 | ||||||
| MFB-43-6251 | 16.25±0.75 | 7.9±0.25 | 14.3±0.35 | 850 | 1550 | / | 48 | 70 | 100 | 115 | ||||||
| MFB-43-6871 | 17.45±0.4 | 9.5±0.25 | 6.35±0.3 | 850 | 600 | / | 20 | 30 | 44 | 59 | ||||||
| MFB-43-6872 | 17.45±0.4 | 9.5±0.25 | 12.7±0.5 | 850 | 1200 | / | 40 | 60 | 83 | 100 | ||||||
| MFB-43-6873 | 17.45±0.4 | 9.5±0.25 | 28.6±0.75 | 850 | 2740 | / | 83 | 125 | 175 | 200 | ||||||
| MFB-43-7350 | 18.7±0.5 | 10.15±0.25 | 14.65±0.75 | 850 | 1390 | / | 45 | 63 | 87 | 105 | ||||||
| MFB-43-7351 | 18.7±0.5 | 10.15±0.25 | 28.6±0.75 | 850 | 2775 | / | 78 | 120 | 180 | 220 | ||||||
| MFB-43-7351C | 18.7±0.5 | 10.15±0.25 | 28.6±0.75 | 850 | 2775 | / | 78 | 120 | 180 | 220 | ||||||
| MFB-43-7352 | 18.7±0.6 | 10.15±0.4 | 50.8±1.0 | 850 | 4950 | / | 150 | 216 | 385 | 475 | ||||||
| MFB-43-8250 | 21.0±0.4 | 13.2±0.3 | 6.35±0.2 | 850 | 465 | / | 15 | 25 | 40 | 60 | ||||||
| MFB-43-8251 | 21.0±0.4 | 13.2±0.3 | 11.9±0.4 | 850 | 880 | / | 30 | 45 | 80 | 102 | ||||||
| MFB-43-10005 | 25.4±0.60 | 15.5±0.5 | 12.7±0.4 | 850 | 1000 | / | 35 | 55 | 80 | 100 | ||||||
| MFB-43-11420 | 29.0±0.75 | 19.0±0.5 | 7.5±0.25 | 850 | 500 | / | 17 | 25 | 45 | 70 | ||||||
| MFB-43-11421 | 29.0±0.75 | 19.0±0.5 | 13.85±0.4 | 850 | 930 | / | 35 | 50 | 75 | 105 | ||||||
| MFB-43-14001 | 35.5±0.75 | 22.9±0.55 | 12.7±0.5 | 850 | 885 | / | 32 | 50 | 85 | 120 | ||||||
| MFB-43-15401 | 39.1±0.75 | 16.75±0.5 | 22.2±0.8 | 850 | 3013 | / | 110 | 160 | 230 | 265 | ||||||
| MFB-43-20004 | 50.8±1.3 | 25.4±0.8 | 50.8±1.0 | 850 | 5600 | / | 210 | 310 | 455 | 440 | ||||||
| MFB-43-24001 | 61.0±1.3 | 35.5±0.9 | 12.7±0.5 | 850 | 1095 | / | 33 | 55 | 90 | 160 | ||||||
| MFB-46-4852 | 12.3±0.4 | 5.0±0.3 | 25.4±0.8 | / | 2250 | / | 93 | 143 | 213 | 243 | ||||||
| MFB-46-5621 | 14.3Typ. | 6.35Typ. | 28.6Typ. | 500 | 2300 | / | 90 | 134 | 225 | 250 | ||||||
| MFB-46-6873 | 17.45Typ. | 9.5Typ. | 28.6Typ. | 500 | 1700 | / | 72 | 108 | 180 | 225 | ||||||
| MFB-61-101 | 3.5Typ. | 1.3Typ. | 3.25Typ. | 125 | 80 | / | / | / | 30 | 45 | 60 | 95 | ||||
| MFB-61-129 | 5.84Typ. | 3.05Typ. | 6.0Typ. | 125 | 95.5±30% | / | / | / | / | 55±20% | ||||||
| MFB-61-201 | 1.93Typ. | 1.09Typ. | 3.8Typ. | 125 | 54 | / | / | / | 15 | 22 | 31 | |||||
| MFB-61-301 | 3.5Typ. | 1.3Typ. | 6.0Typ. | 125 | 150 | / | / | / | 54 | 80 | 100 | 120 | ||||
| MFB-61-401 | 5.1Typ. | 1.45Typ. | 6.35Typ. | 125 | 185 | / | / | / | 42 | 63 | 80 | 115 | ||||
| MFB-61-701 | 3.5Typ. | 1.3Typ. | 12.7Typ. | 125 | 315 | / | / | / | 120 | 155 | 178 | 185 | ||||
| MFB-61-801 | 7.5Typ. | 2.25Typ. | 7.54Typ | 125 | 215 | / | / | / | 75 | 100 | 120 | 143 | ||||
| MFB-61-1020 | 26.0±0.75 | 12.7±0.25 | 28.6±0.8 | 125 | 505 | / | / | / | 215 | 345 | 480 | 320 | ||||
| MFB-61-1801 | 5.1Typ. | 1.45Typ. | 11.1Typ. | 125 | 325 | / | / | / | 100 | 140 | 167 | 185 | ||||
| MFB-61-2501 | 6.35Typ. | 3.18Typ. | 12.7Typ. | 125 | 220 | / | / | / | 85 | 115 | 135 | 155 | ||||
| MFB-61-3751 | 9.5Typ. | 4.5Typ. | 6.35Typ. | 125 | 105 | / | / | / | 42 | 63 | 80 | 115 | ||||
| MFB-61-4852 | 12.3±0.45 | 5.0±0.25 | 25.4±0.8 | 125 | 560 | / | / | / | 230 | 345 | 450 | 450 | ||||
| MFB-61-5621 | 14.3±0.45 | 6.35±0.25 | 28.6±0.75 | 125 | 576 | / | / | / | 260 | 375 | 435 | 405 | ||||
| MFB-61-5623 | 14.3±0.45 | 6.35±0.35 | 13.8±0.25 | 125 | 273 | / | / | / | 95 | 140 | 180 | 280 | ||||
| MFB-61-6873 | 17.45±0.4 | 9.5±0.25 | 28.6±0.75 | 125 | 432 | / | / | / | 180 | 280 | 412 | 510 | ||||
| MFB-61-7351 | 19.0±0.5 | 10.15±0.25 | 28.6±0.75 | 125 | 432 | / | / | / | / | 191 | 280 | 400 | 535 | |||
| MFB-73-101 | 3.5Typ. | 1.3Typ. | 3.25Typ. | 2500 | 1600（Ref only） | 8 | 19 | 25 | 35 | |||||||
| MFB-73-201 | 1.93Typ. | 1.09Typ. | 3.8Typ. | 2500 | 1000 | 5 | 12 | 18 | 27 | |||||||
| MFB-73-301 | 3.5Typ. | 1.3Typ. | 6.0Typ. | 2500 | 2980 | 15 | 37 | 57 | 63 | |||||||
| MFB-73-501 | 1.93Typ. | 1.09Typ. | 1.52Typ. | 2500 | 430(Ref only) | 2 | 6 | 8 | 12 | |||||||
| MFB-73-801 | 7.5Typ. | 2.25Typ. | 7.54Typ. | 2500 | 4320 | 23 | 55 | 47 | 45 | |||||||
| MFB-73-1801 | 5.1Typ. | 1.45Typ. | 11.1Typ. | 2500 | 6500(Ref only) | 35 | 85 | 95 | 95 | |||||||
| MFB-73-2401 | 9.65Typ. | 5.05Typ. | 5.0Typ. | 2500 | 1585 | 8 | 20 | 20 | 15 | |||||||
| MFB-75-1020 | 26.0Typ. | 12.7Typ. | 28.6Typ. | 5000 | 20000(Ref only) | 30 | 80 | 120 | 70 | 54 | ||||||
| MFB-75-3755 | 9.5Typ. | 5.1Typ. | 19Typ. | 5000 | 11700(Ref only) | 17 | 43 | 68 | 100 | 95 | ||||||
| MFB-75-5621 | 14.3Typ. | 6.35Typ. | 28.6Typ. | 5000 | 23200(Ref only) | 30 | 80 | 130 | 154 | 95 | ||||||
| MFB-75-5623 | 14.3Typ. | 6.35Typ. | 13.8Typ. | 5000 | 10900(Ref only) | 16 | 40 | 58 | 67 | 52 | ||||||
| MFB-75-6873 | 17.45Typ. | 9.5Typ. | 28.6Typ. | 5000 | 17000(Ref only) | 22 | 56 | 102 | 138 | 85 | ||||||
| MFB-75-7351 | 18.7Typ. | 10.15Typ. | 28.6Typ. | 5000 | 17300(Ref only) | 25 | 60 | 92 | 97 | 67 | ||||||
| MFB-75-12200 | 31.0Typ. | 19.0Typ. | 15.0Typ. | 5000 | 7300(Ref only) | 10 | 30 | 43 | 28 | 20 | ||||||
| MFB-75B-101 | 3.5Typ. | 1.3Typ. | 3.25Typ. | 5000 | 3226±30% | 40±20% | ||||||||||
| MFB-75B-129C | 5.84Typ. | 3.05Typ. | 6.0Typ. | 5000 | 3900±30% | 48±20% | ||||||||||
| MFB-75B-227 | 9.5Typ. | 4.75Typ. | 9.5Typ. | 5000 | 6628±30% | 52 | ||||||||||
| MFB-75B-227C | 9.5Typ. | 4.75Typ. | 9.5Typ. | 5000 | 6628±30% | 52 | ||||||||||
| MFB-77-301 | 3.5Typ. | 1.3Typ. | 6.0Typ. | 2000 | 2350(Ref only) | 63 | ||||||||||
| MFB-77-1042 | 26.0Typ. | 12.7Typ. | 21.3Typ. | 2000 | 6000(Ref only) | 52 | 25 | 23 | ||||||||
| MFB-77-6301 | 9.5Typ. | 4.9Typ. | 10.4Typ. | 2000 | 2700(Ref only) | 25 | 40 | 33 | ||||||||
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