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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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- | Toroid | 0.525" (13.34mm) | 14.2 | 31.7 | 451.2 | - | Epoxy | Ungapped | 0.272" (6.91mm) | 2.968 µH | 5000 | - | - | - | - | ±20% | - | |
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- | E | - | 87 | 69.3 | 5590 | - | Uncoated | Ungapped | 0.555" (14.10mm) | 2.907 µH | 2500 | 1.346" (34.20mm) | P | 87 | - | - | 0.366" (9.30mm) | |
Fair-Rite Products Corp.
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- | E | - | 119 | 66.5 | 7900 | - | Uncoated | Ungapped | 0.551" (14.00mm) | - | 2400 | 1.299" (33.00mm) | - | 112 | - | ±25% | 0.500" (12.70mm) | |
Fair-Rite Products Corp.
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- | RM | - | 89.8 | 47.9 | 4306 | - | Uncoated | Ungapped | 0.366" (9.30mm) | - | 2300 | - | 78 | 88.4 | - | ±25% | - | |
Fair-Rite Products Corp.
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- | PQ | - | 117.7 | 54 | 6359 | - | Uncoated | Ungapped | 0.492" (12.50mm) | - | 2400 | - | - | 113.1 | - | ±25% | 0.748" (19.00mm) | |
Fair-Rite Products Corp.
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- | E | - | 129 | 41.7 | 5380 | - | Uncoated | Ungapped | 0.250" (6.35mm) | - | 2400 | 1.250" (31.75mm) | - | 127 | - | ±25% | 0.801" (20.35mm) | |
Fair-Rite Products Corp.
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- | E | - | 129 | 41.7 | 5380 | - | Uncoated | Ungapped | 0.250" (6.35mm) | - | 2300 | 1.250" (31.75mm) | 78 | 127 | - | ±25% | 0.801" (20.35mm) | |
Fair-Rite Products Corp.
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- | Toroid | 1.187" (30.15mm) | 37 | 73 | 2700 | - | Plastic | Ungapped | 0.325" (8.26mm) | 510 nH | 800 | - | 43 | - | - | -25%, +20% | - | |
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- | Toroid | 0.653" (16.59mm) | 19.2 | 41.2 | 791 | - | Uncoated | Ungapped | 0.250" (6.35mm) | 72 nH | 125 | - | Kool Mµ | - | - | ±8% | - | |
Fair-Rite Products Corp.
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- | PQ | - | 120.3 | 44.8 | 5385 | - | Uncoated | Ungapped | - | - | 3000 | - | 95 | 113.1 | - | ±25% | 0.748" (19.00mm) | |
Fair-Rite Products Corp.
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- | I | - | 61.2 | 25.2 | 1540 | - | Uncoated | Ungapped | 0.091" (2.30mm) | 95 nH | - | 0.787" (20.00mm) | 67 | 55 | I 20 x 2.3 x 14 | - | 0.551" (14.00mm) | |
Fair-Rite Products Corp.
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- | Toroid | 1.299" (33.00mm) | 59 | 76 | 4500 | - | Plastic | Ungapped | 0.406" (10.30mm) | 2.23 µH | 2300 | - | 78 | - | - | -30%, +25% | - | |
Fair-Rite Products Corp.
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- | PS | - | 184 | 55.3 | 9780 | - | Uncoated | Ungapped | 0.429" (10.90mm) | - | 2300 | - | 78 | - | - | ±25% | - | |
Magnetics
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- | Toroid | 0.655" (16.64mm) | 15.6 | 37.2 | 580 | - | Epoxy | Ungapped | 0.205" (5.20mm) | 2.76 µH | 5000 | - | - | - | - | ±20% | - | |
Fair-Rite Products Corp.
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- | ETD | - | 97.2 | 79 | 7680 | - | Uncoated | Ungapped | 0.681" (17.30mm) | - | 2300 | - | 78 | 91.6 | - | ±25% | - | |
Fair-Rite Products Corp.
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- | E | - | 119 | 66.5 | 7900 | - | Uncoated | Ungapped | 0.551" (14.00mm) | - | 3000 | 1.299" (33.00mm) | 95 | 112 | - | ±25% | 0.500" (12.70mm) | |
Fair-Rite Products Corp.
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- | Toroid | 1.449" (36.80mm) | 79 | 89 | 7000 | - | Plastic | Ungapped | 0.539" (13.70mm) | 2.545 µH | 2300 | - | 78 | - | - | -30%, +25% | - | |
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- | Toroid | 0.680" (17.27mm) | 23.2 | 41.4 | 960 | - | Uncoated | Ungapped | 0.250" (6.35mm) | 89 nH | 125 | - | Kool Mu | - | - | ±8% | - | |
Fair-Rite Products Corp.
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- | ETD | - | 97.2 | 79 | 7680 | - | Uncoated | Ungapped | 0.681" (17.30mm) | - | 2400 | - | - | 91.6 | - | ±25% | - | |
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- | ETD | - | 125 | 92.2 | 11500 | - | Uncoated | Ungapped | 0.780" (19.80mm) | 3.227 µH | 2500 | 1.575" (40.00mm) | P | - | - | - | 0.504" (12.80mm) | |
Fair-Rite Products Corp.
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- | I | - | 90.3 | 26.4 | 2380 | - | Uncoated | Ungapped | 0.091" (2.30mm) | 132 nH | - | 0.984" (25.00mm) | 67 | 82.8 | I 25 x 2.3 x 18 | - | 0.709" (18.00mm) | |
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- | Toroid | 0.680" (17.27mm) | 23.2 | 41.4 | 960 | - | Uncoated | Ungapped | 0.250" (6.35mm) | 43 nH | 60 | - | XFlux | - | - | ±8% | - | |
Fair-Rite Products Corp.
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- | RM | - | 89.8 | 47.9 | 4306 | - | Uncoated | Ungapped | 0.366" (9.30mm) | - | 3000 | - | 95 | 88.4 | - | ±25% | - | |
Fair-Rite Products Corp.
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- | E | - | 129 | 41.7 | 5380 | - | Uncoated | Ungapped | 0.250" (6.35mm) | - | 3000 | 1.250" (31.75mm) | 95 | 127 | - | ±25% | 0.801" (20.35mm) | |
Fair-Rite Products Corp.
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- | Toroid | - | 37.4 | 72.3 | 2702 | - | Uncoated | Ungapped | 0.250" (6.35mm) | - | 250 | - | 52 | - | - | ±25% | - | |
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- | Toroid | 0.830" (21.08mm) | 22.1 | 50.9 | 1120 | - | Uncoated | Ungapped | 0.280" (7.11mm) | 68 nH | 125 | - | Kool Mu | - | - | ±8% | - | |
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- | E | - | 149 | 77 | 11500 | - | Uncoated | Ungapped | 0.654" (16.60mm) | 4.24 µH | 2500 | 1.598" (40.60mm) | P | 142 | - | - | 0.488" (12.40mm) | |
Fair-Rite Products Corp.
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- | E | - | 86 | 69.7 | 5990 | - | Uncoated | Ungapped | 0.565" (14.35mm) | - | 3000 | - | 95 | 79 | - | ±25% | 0.374" (9.50mm) | |
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- | UR | - | 114.3 | 115.2 | 13172 | - | Uncoated | Ungapped | 0.811" (20.60mm) | 2.047 µH | 2500 | 1.645" (41.78mm) | P | - | - | - | 0.470" (11.94mm) | |
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- | Toroid | 0.830" (21.08mm) | 22.1 | 50.9 | 1120 | - | Uncoated | Ungapped | 0.280" (7.11mm) | 49 nH | 90 | - | XFlux | - | - | ±8% | - | |
Fair-Rite Products Corp.
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- | Toroid | 1.142" (29.00mm) | 68 | 73 | 5000 | - | Uncoated | Ungapped | 0.545" (13.84mm) | - | 2300 | - | 78 | - | - | ±25% | - | |
Fair-Rite Products Corp.
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- | Toroid | 1.250" (31.75mm) | 59 | 76 | 4500 | - | Uncoated | Ungapped | 0.375" (9.53mm) | - | 2300 | - | 78 | - | - | ±25% | - | |
Fair-Rite Products Corp.
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- | EER | - | 111 | 91.1 | 10140 | - | Uncoated | Ungapped | - | - | 2400 | 1.378" (35.00mm) | - | 100 | - | ±25% | 0.445" (11.30mm) | |
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- | Toroid | 0.335" (8.51mm) | 5.99 | 17.9 | 107 | - | Uncoated | Ungapped | 0.150" (3.81mm) | 52 nH | 125 | - | High Flux | - | - | ±8% | - | |
Fair-Rite Products Corp.
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- | Multi-Hole (2) | - | - | - | - | - | Uncoated | Ungapped | 0.500" (12.70mm) | 300 nH | - | 0.787" (20.00mm) | 61 | - | - | - | 0.386" (9.80mm) | |
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- | E | - | 178 | 97 | 17300 | - | Uncoated | Ungapped | 0.827" (21.00mm) | 6 µH | 3000 | 1.693" (43.00mm) | - | 175 | - | ±25% | 0.598" (15.20mm) | |
TDK Corporation
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- | RM | - | 36.6 | 28.6 | 1050 | 109 | Uncoated | Gapped | 0.246" (6.25mm) | 160 nH | - | 0.701" (17.90mm) | N48 | 31 | RM 6 | ±3% | 0.323" (8.20mm) | |
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- | Toroid | 0.530" (13.45mm) | 10.9 | 31.2 | 340 | - | Uncoated | Ungapped | 0.217" (5.51mm) | 12 nH | 26 | - | Kool Mu HF | - | - | ±8% | - | |
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- | Toroid | 0.930" (23.62mm) | 31.7 | 56.7 | 1800 | - | Uncoated | Ungapped | 0.330" (8.38mm) | 43 nH | 60 | - | Kool Mu | - | - | ±8% | - | |
Magnetics
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- | Toroid | 0.930" (23.62mm) | 31.7 | 56.7 | 1800 | - | Uncoated | Ungapped | 0.330" (8.38mm) | 90 nH | 125 | - | Kool Mu | - | - | ±8% | - | |
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- | Toroid | 0.930" (23.62mm) | 31.7 | 56.7 | 1800 | - | Uncoated | Ungapped | 0.330" (8.38mm) | 54 nH | 75 | - | Kool Mu | - | - | ±8% | - | |
Fair-Rite Products Corp.
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- | ETD | - | 128 | 92.4 | 11850 | - | Uncoated | Ungapped | - | - | 2400 | - | - | 126.7 | - | ±25% | 0.500" (12.70mm) | |
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- | Toroid | 1.035" (26.29mm) | 39 | 61.5 | 2361 | - | Epoxy | Ungapped | 0.337" (8.55mm) | 2.127 µH | 2500 | - | P | - | - | ±25% | - | |
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- | Toroid | 0.840" (21.34mm) | 24.6 | 50.3 | 1238 | - | Epoxy | Ungapped | 0.272" (6.91mm) | 2.8 µH | 5000 | - | - | - | - | ±20% | - | |
Magnetics
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- | PQ | - | 61.9 | 37.6 | 2330 | - | Uncoated | Ungapped | 0.638" (16.20mm) | 3.907 µH | 2500 | 0.839" (21.30mm) | P | - | - | - | 0.551" (14.00mm) | |
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- | Toroid | 0.908" (23.07mm) | 25.7 | 54.2 | 1393 | - | Epoxy | Ungapped | 0.276" (7.00mm) | 6.04 µH | 10000 | - | W | - | - | ±30% | - | |
Magnetics
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- | Toroid | 0.900" (22.86mm) | 25.8 | 54.1 | 1395 | - | Epoxy | Ungapped | 0.272" (6.91mm) | 3.02 µH | 5000 | - | - | - | - | ±20% | - | |
Fair-Rite Products Corp.
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- | ETD | - | 97.2 | 79 | 7680 | - | Uncoated | Ungapped | 0.681" (17.30mm) | - | 3000 | - | 95 | 91.6 | - | ±25% | - | |
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- | Toroid | 0.465" (11.81mm) | 9.06 | 26.9 | 244 | - | Coated | Ungapped | 0.181" (4.60mm) | 53 nH | 125 | - | MPP | - | - | ±8% | - | |
Ferroxcube
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- | EFD | - | 15 | 34 | 510 | 1170 | Uncoated | Ungapped | 0.295" (7.50mm) | - | - | 0.591" (15.00mm) | 3F36 | 12.2 | EFD 15 x 8 x 5 | ±25% | 0.183" (4.65mm) |