What are Ferrite Cores ?
Ferrite Cores are magnetic components used to enhance inductance and reduce electromagnetic interference in electronic circuits. They are commonly utilized in applications like production electronics assembly and engineering evaluation. Important specifications for selection include Effective Permeability (µe), which affects magnetic efficiency; Core Factor (ΣI), which determines the core's inductance capabilities; and Diameter, which influences the physical size and compatibility with existing designs. Ensuring these specifications align with design requirements is crucial for optimal performance.
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| Part & Mfr | Core Type | Diameter | Effective Area (Ae) mm² | Effective Length (le) mm | Effective Magnetic Volume (Ve) mm³ | Effective Permeability (µe) | Finish | Gap | Height | Inductance Factor (Al) | Initial Permeability (µi) | Length | Material | Minimum Core Cross Section (Amin) mm² | Supplier Device Package | Tolerance | Width | |||
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TDK Corporation
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TDK Corporation
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TDK Corporation
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TDK Corporation
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TDK Corporation
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TDK Corporation
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U | - | - | - | - | - | Uncoated | Ungapped | 2.992" (76.00mm) | - | - | 3.661" (93.00mm) | N87 | - | U 93 x 76 x 16 | - | 0.630" (16.00mm) | |
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TDK Corporation
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Toroid | 4.126" (104.80mm) | 267.2 | 255.3 | 68220 | - | Epoxy | Ungapped | 0.650" (16.50mm) | 6.5 µH | 5000 | - | T65 | - | - | ±30% | - | |
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TDK Corporation
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P (Pot Core) | - | - | - | - | - | Uncoated | Gapped | - | - | - | - | - | - | - | - | - | |
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TDK Corporation
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Toroid | 4.016" (102.00mm) | 267.2 | 255.3 | 68220 | - | Uncoated | Ungapped | 0.591" (15.00mm) | 6.5 µH | 5000 | - | T65 | - | R 102 x 65.8 x 15 | ±30% | - | |
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TDK Corporation
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U | - | - | - | - | - | Uncoated | Ungapped | 2.992" (76.00mm) | - | - | 3.661" (93.00mm) | N87 | - | U 93 x 76 x 20 | - | 0.787" (20.00mm) | |
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Ferroxcube
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Toroid | 4.213" (107.00mm) | 514 | 259 | 133000 | - | Uncoated | Ungapped | 0.984" (25.00mm) | - | - | - | 3C11 | - | - | - | - | |
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TDK Corporation
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Toroid | 3.425" (87.00mm) | 216.7 | 213.9 | 46360 | - | Uncoated | Ungapped | 0.531" (13.50mm) | 900 nH | 700 | - | K10 | - | R 87 x 54.3 x 13.5 | ±25% | - | |
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TDK Corporation
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U | - | - | - | - | - | Uncoated | Ungapped | 2.992" (76.00mm) | - | - | 3.661" (93.00mm) | N27 | - | U 93 x 76 x 20 | - | 0.787" (20.00mm) | |
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Ferroxcube
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P | 2.610" (66.29mm) | 717 | 123 | 88200 | - | Uncoated | Ungapped | 2.256" (57.30mm) | - | - | - | 3C95 | 591 | P 66 x 56 | ±25% | - | |
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TDK Corporation
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PM | 2.913" (74.00mm) | 790 | 128 | 101000 | 81 | Uncoated | Gapped | 1.161" (29.50mm) | 630 nH | 2000 | - | N27 | 630 | PM 74 x 59 | ±3% | - | |
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TDK Corporation
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Vacuumschmelze
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Toroid | 5.295" (134.50mm) | 285 | 361 | - | - | Epoxy | Ungapped | 1.122" (28.50mm) | 50 µH | - | - | - | - | - | - | - | |
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Vacuumschmelze
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Toroid | 6.571" (166.90mm) | 274 | 456 | - | - | Uncoated | Ungapped | 1.201" (30.50mm) | 28 µH | - | - | - | - | - | - | - | |
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TDK Corporation
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PM | 3.425" (87.00mm) | 910 | 146 | 133000 | - | Uncoated | Gapped | 1.378" (35.00mm) | - | 2000 | - | N27 | 700 | PM 87 x 70 | - | - | |
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TDK Corporation
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PM | 3.425" (87.00mm) | 910 | 146 | 133000 | 638 | Uncoated | Gapped | 1.378" (35.00mm) | 5 µH | 2000 | - | N27 | 700 | PM 87 x 70 | ±15% | - | |
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Ferroxcube
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Toroid | 5.528" (140.40mm) | - | - | - | - | Epoxy | - | 0.996" (25.30mm) | - | - | - | 3C11 | - | TX 140 x 106 x 25 | - | - | |
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TDK Corporation
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PM | 3.425" (87.00mm) | 910 | 146 | 133000 | - | Uncoated | - | 1.378" (35.00mm) | - | 1500 | - | N92 | 700 | PM 87 x 70 | - | - | |
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TDK Corporation
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U | - | - | - | - | - | Uncoated | Ungapped | 2.992" (76.00mm) | - | - | 3.976" (101.00mm) | N97 | - | U 101 x 76 x 30 | - | 1.181" (30.00mm) | |
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TDK Corporation
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U | - | - | - | - | - | Uncoated | Ungapped | 3.091" (78.50mm) | - | - | 5.551" (141.00mm) | N27 | - | U 141 x 78 x 30 | - | 1.181" (30.00mm) | |
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TDK Corporation
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TDK Corporation
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U | - | - | - | - | - | Uncoated | Ungapped | 3.091" (78.50mm) | - | - | 5.551" (141.00mm) | N97 | - | U 141 x 78 x 30 | - | 1.181" (30.00mm) | |
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TDK Corporation
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Toroid | - | 458.9 | 375.8 | 172440 | - | Uncoated | Ungapped | - | 6.2 µH | 4000 | - | N30 | - | R 140 x 103 x 25 | ±25% | - | |
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TDK Corporation
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Toroid | 5.512" (140.00mm) | 458.9 | 375.8 | 172440 | - | Uncoated | Ungapped | 0.984" (25.00mm) | 1.1 µH | 700 | - | K10 | - | R 140 x 103 x 25 | ±25% | - | |
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TDK Corporation
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TDK Corporation
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PM | 4.488" (114.00mm) | 1720 | 200 | 344000 | 583 | Uncoated | Gapped | 1.831" (46.50mm) | 6.3 µH | 2000 | - | N27 | 1380 | PM 114 x 93 | ±15% | - | |
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TDK Corporation
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PM | 4.488" (114.00mm) | 1720 | 200 | 344000 | 58 | Uncoated | Gapped | 1.831" (46.50mm) | 630 nH | 2000 | - | N27 | 1380 | PM 114 x 93 | ±3% | - | |
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TDK Corporation
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Enerdoor
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Toroid | 1.457" (37.00mm) | - | - | - | - | Uncoated | Ungapped | 0.630" (16.00mm) | - | - | - | - | - | - | - | - | |
Enerdoor
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- | - | - | - | - | - | Uncoated | Ungapped | 1.299" (33.00mm) | - | - | 1.260" (32.00mm) | - | - | - | - | 1.220" (31.00mm) | |
Enerdoor
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Toroid | 1.929" (49.00mm) | - | - | - | - | Uncoated | Ungapped | 0.630" (16.00mm) | - | - | - | - | - | - | - | - | |
Enerdoor
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Toroid | 2.480" (63.00mm) | - | - | - | - | Uncoated | Ungapped | 0.984" (25.00mm) | - | - | - | - | - | - | - | - | |
Enerdoor
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Toroid | 4.016" (102.00mm) | - | - | - | - | Uncoated | Ungapped | 0.591" (15.00mm) | - | - | - | - | - | - | - | - | |
Enerdoor
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Toroid | 5.512" (140.00mm) | - | - | - | - | Uncoated | Ungapped | 0.984" (25.00mm) | - | - | - | - | - | - | - | - | |
TDK Corporation
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Toroid | 1.220" (31.00mm) | 76.98 | 73.78 | 5680 | - | Epoxy | Ungapped | 0.634" (16.10mm) | 13.1 µH | 10000 | - | T38 | - | - | ±30% | - | |
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TDK Corporation
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Toroid | - | - | - | - | - | Epoxy | Gapped | - | - | 6000 | - | T35 | - | - | - | - | |
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Fair-Rite Products Corp.
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ROD | 0.125" (3.18mm) | - | - | - | - | Uncoated | Ungapped | - | - | 600 | 0.500" (12.70mm) | 33 | - | - | - | - | |
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Fair-Rite Products Corp.
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Fair-Rite Products Corp.
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Toroid | 2.402" (61.00mm) | 156 | 144 | 22350 | - | Uncoated | Ungapped | 0.500" (12.70mm) | 816 nH | 550 | - | 80 | - | - | ±25% | - | |
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TDK Corporation
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Toroid | 1.551" (39.40mm) | 232.48 | 82.97 | 19289 | - | Epoxy | Ungapped | 1.055" (26.80mm) | 28 µH | 8000 | - | T46 | - | - | ±30% | - | |
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TDK Corporation
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Multi-Hole (2) | - | 1.7 | 3.7 | 6.3 | - | Uncoated | Ungapped | 0.079" (2.00mm) | 1.1 µH | 2300 | 0.142" (3.60mm) | M13 | - | - | ±30% | 0.083" (2.10mm) |
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