What are Ferrite Cores ?
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| Part & Mfr | Total Stock | Pricing & RFQ | Core Factor (ΣI | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Fair-Rite Products Corp.
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- | E | - | 15.2 | 16.6 | 252 | - | Uncoated | Ungapped | - | - | 2300 | 0.551" (14.00mm) | 78 | 15 | - | ±25% | 0.197" (5.00mm) | |
TDK Corporation
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- | Toroid | 0.158" (4.02mm) | 1.25 | 9.63 | 12 | - | Parylene | Ungapped | 0.064" (1.62mm) | 1.63 µH | 10000 | - | T38 | - | - | ±30% | - | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.256" (6.50mm) | - | - | 0.496" (12.60mm) | 3C94 | - | E 13 x 7 x 4 | - | 0.146" (3.70mm) | |
TDK Corporation
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- | Toroid | 0.425" (10.80mm) | 7.83 | 24.07 | 188 | - | Epoxy | Ungapped | 0.187" (4.75mm) | 4.09 µH | 10000 | - | T38 | - | - | ±30% | - | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.323" (8.20mm) | - | - | 0.630" (16.00mm) | 3C94 | - | E 16 x 8 x 5 | - | 0.185" (4.70mm) | |
TDK Corporation
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- | Toroid | 0.535" (13.60mm) | 12.23 | 30.09 | 368 | - | Epoxy | Ungapped | 0.234" (5.95mm) | 1.12 µH | 2200 | - | N87 | - | - | ±25% | - | |
Fair-Rite Products Corp.
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- | E | - | 39.5 | 24.3 | 960 | - | Uncoated | Ungapped | - | - | 2300 | - | 78 | 39 | - | ±25% | 0.394" (10.00mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.319" (8.10mm) | - | - | 0.752" (19.10mm) | 3C94 | - | E 19 x 8 x 5 | - | 0.185" (4.70mm) | |
TDK Corporation
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- | Toroid | 0.535" (13.60mm) | 12.23 | 30.09 | 368 | - | Epoxy | Ungapped | 0.234" (5.95mm) | 2.2 µH | 4300 | - | N30 | - | - | ±25% | - | |
TDK Corporation
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- | Toroid | 0.249" (6.32mm) | 3.06 | 15.21 | 46.5 | - | Parylene | Ungapped | 0.099" (2.52mm) | 560 nH | 2200 | - | N87 | - | - | ±25% | - | |
TDK Corporation
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- | Toroid | 0.425" (10.80mm) | 7.83 | 24.07 | 188 | - | Epoxy | Ungapped | 0.187" (4.75mm) | 610 nH | 1500 | - | N49 | - | - | ±25% | - | |
TDK Corporation
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- | Multi-Hole (2) | - | 2.1 | 3.7 | 7.8 | - | Parylene | Ungapped | 0.100" (2.54mm) | 3.1 µH | 4300 | 0.144" (3.65mm) | N30 | - | - | ±30% | 0.085" (2.15mm) | |
TDK Corporation
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- | Toroid | 0.425" (10.80mm) | 7.83 | 24.07 | 188 | - | Epoxy | Ungapped | 0.187" (4.75mm) | 6 µH | 15000 | - | T46 | - | - | ±30% | - | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Ungapped | 0.256" (6.50mm) | - | - | 0.496" (12.60mm) | N87 | - | E 13 x 7 x 4 | - | 0.146" (3.70mm) | |
TDK Corporation
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- | Toroid | 0.425" (10.80mm) | 7.83 | 24.07 | 188 | - | Epoxy | Ungapped | 0.187" (4.75mm) | 2.46 µH | 6000 | - | T35 | - | - | ±25% | - | |
TDK Corporation
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- | Toroid | 0.394" (10.00mm) | 7.83 | 24.07 | 188 | - | Uncoated | Ungapped | 0.157" (4.00mm) | 4.09 µH | 10000 | - | T38 | - | R 10 x 6 x 4 | ±30% | - | |
Fair-Rite Products Corp.
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- | E | - | 39.5 | 24.3 | 960 | - | Uncoated | Ungapped | - | - | 3000 | - | 95 | 39 | - | ±25% | 0.394" (10.00mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.394" (10.00mm) | - | - | 0.815" (20.70mm) | 3C94 | - | E 20 x 10 x 5 | - | 0.209" (5.30mm) | |
TDK Corporation
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- | Toroid | 0.535" (13.60mm) | 14.96 | 31.17 | 466 | - | Epoxy | Ungapped | 0.281" (7.15mm) | 1.33 µH | 2200 | - | N87 | - | - | ±25% | - | |
TDK Corporation
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- | Toroid | 0.594" (15.10mm) | 12.3 | 34.98 | 430 | - | Epoxy | Ungapped | 0.236" (6.00mm) | 970 nH | 2200 | - | N87 | - | - | ±25% | - | |
TDK Corporation
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- | Toroid | 0.249" (6.32mm) | 3.06 | 15.21 | 46.5 | - | Parylene | Ungapped | 0.099" (2.52mm) | 1.09 µH | 4300 | - | N30 | - | - | ±25% | - | |
Fair-Rite Products Corp.
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- | PS | - | 11.2 | 13.5 | 152 | - | Uncoated | Ungapped | - | - | 3000 | - | 95 | - | - | ±25% | - | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Ungapped | 0.394" (10.00mm) | - | - | 0.803" (20.40mm) | N27 | - | E 20 x 10 x 6 | - | 0.232" (5.90mm) | |
Fair-Rite Products Corp.
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- | ROD | 0.250" (6.35mm) | 7.07 | 25 | - | 29 | Uncoated | Ungapped | - | - | 125 | 1.000" (25.40mm) | 61 | - | - | - | - | |
TDK Corporation
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- | Toroid | 0.677" (17.20mm) | 19.73 | 38.52 | 760 | - | Epoxy | Ungapped | 0.287" (7.30mm) | 1.42 µH | 2200 | - | N87 | - | - | ±25% | - | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Ungapped | 0.323" (8.20mm) | - | - | 0.630" (16.00mm) | N87 | - | E 16 x 8 x 5 | - | 0.185" (4.70mm) | |
Ferroxcube
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- | Toroid | 0.526" (13.35mm) | 14.1 | 31.2 | 442 | 2300 | Epoxy | Ungapped | 0.275" (7.00mm) | - | - | - | 3C94 | - | TX 13 x 7.9 x 6.4 | ±25% | - | |
Fair-Rite Products Corp.
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- | Toroid | - | 7.2 | 20.7 | 150 | - | Parylene | Ungapped | - | 4.4 µH | 10000 | - | 76 | - | - | ±30% | - | |
Ferroxcube
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- | Toroid | - | 7.8 | 24.1 | 3.07 | - | Epoxy | Ungapped | 0.167" (4.25mm) | - | - | - | 3C94 | - | - | - | - | |
TDK Corporation
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- | Toroid | 0.249" (6.32mm) | 3.06 | 15.21 | 46.5 | - | Parylene | Ungapped | 0.099" (2.52mm) | 2.53 µH | 10000 | - | T38 | - | - | ±30% | - | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Ungapped | 0.394" (10.00mm) | - | - | 0.803" (20.40mm) | N87 | - | E 20 x 10 x 6 | - | 0.232" (5.90mm) | |
Ferroxcube
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- | - | - | - | - | - | - | Uncoated | - | 0.311" (7.90mm) | - | - | - | - | - | - | - | 0.252" (6.40mm) | |
TDK Corporation
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- | Toroid | 0.677" (17.20mm) | 19.73 | 38.52 | 760 | - | Epoxy | Ungapped | 0.287" (7.30mm) | 2.77 µH | 4300 | - | N30 | - | - | ±25% | - | |
Fair-Rite Products Corp.
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- | ROD | 0.250" (6.35mm) | - | - | - | - | Uncoated | Ungapped | - | - | 2000 | 1.500" (38.10mm) | 77 | - | - | - | - | |
TDK Corporation
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- | Toroid | 0.231" (5.87mm) | 4.04 | 13.03 | 52.6 | - | Parylene | Ungapped | 0.119" (3.02mm) | 5.85 µH | 15000 | - | T46 | - | - | ±30% | - | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Gapped | 0.504" (12.80mm) | - | - | 0.984" (25.00mm) | N87 | - | E 25 x 13 x 7 | - | 0.295" (7.50mm) | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Gapped | 0.504" (12.80mm) | - | - | 0.984" (25.00mm) | N87 | - | E 25 x 13 x 7 | - | 0.295" (7.50mm) | |
TDK Corporation
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- | Toroid | 0.248" (6.30mm) | 3.06 | 15.21 | 46.5 | - | Parylene | Gapped | 0.098" (2.50mm) | 330 nH | 1500 | - | N49 | - | R 6.3 x 3.8 x 2.5 | ±25% | - | |
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | Gapped | 0.295" (7.50mm) | - | - | 0.591" (15.00mm) | N87 | - | EFD 15 x 8 x 5 | - | 0.183" (4.65mm) | |
Ferroxcube
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- | Toroid | 0.510" (12.95mm) | - | - | - | - | Epoxy | - | 0.199" (5.06mm) | - | - | - | 3C90 | - | TX 13 x 7.1 x 4.8 | - | - | |
TDK Corporation
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- | Multi-Hole (2) | - | 10.2 | 7.6 | 78 | - | Uncoated | Ungapped | 0.244" (6.20mm) | 7.3 µH | 4300 | 0.285" (7.25mm) | N30 | - | - | ±30% | 0.165" (4.20mm) | |
Fair-Rite Products Corp.
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- | Toroid | - | 2 | 12.8 | 25.6 | - | Uncoated | Ungapped | 0.060" (1.52mm) | - | 250 | - | 52 | - | - | ±25% | - | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Gapped | 0.394" (10.00mm) | - | - | 0.803" (20.40mm) | N27 | - | E 20 x 10 x 6 | - | 0.232" (5.90mm) | |
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | Gapped | 0.394" (10.00mm) | - | - | 0.787" (20.00mm) | N87 | - | EFD 20 x 10 x 7 | - | 0.262" (6.65mm) | |
TDK Corporation
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- | EFD | - | 31 | 47 | 1460 | 300 | Uncoated | Gapped | 0.394" (10.00mm) | - | 2200 | 0.787" (20.00mm) | N87 | 31 | EFD 20 x 10 x 7 | ±10% | 0.262" (6.65mm) | |
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | Gapped | 0.394" (10.00mm) | - | - | 0.787" (20.00mm) | N87 | - | EFD 20 x 10 x 7 | - | 0.262" (6.65mm) | |
Ferroxcube
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- | Toroid | 0.635" (16.13mm) | - | - | - | - | Epoxy | - | 0.195" (4.95mm) | - | - | - | 3C90 | - | TX 16 x 9.1 x 4.7 | - | - | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Ungapped | 0.504" (12.80mm) | - | - | 0.984" (25.00mm) | N87 | - | E 25 x 13 x 7 | - | 0.295" (7.50mm) | |
Fair-Rite Products Corp.
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- | EER | - | 43.4 | 48 | 2083 | - | Uncoated | Ungapped | 0.366" (9.30mm) | - | 2300 | - | 78 | 42.5 | - | ±25% | 0.295" (7.50mm) | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Gapped | 0.323" (8.20mm) | - | - | 0.630" (16.00mm) | N87 | - | E 16 x 8 x 5 | - | 0.185" (4.70mm) |