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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | Ungapped | 0.394" (10.00mm) | - | - | 0.787" (20.00mm) | N49 | - | EFD 20 x 10 x 7 | - | 0.262" (6.65mm) | |
VACUUMSCHMELZE
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- | Toroid | 0.555" (14.10mm) | 7.2 | 31.4 | - | - | Uncoated | Ungapped | 0.248" (6.30mm) | 28 µH | - | - | - | - | - | - | - | |
TDK Corporation
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- | ELP | - | - | - | - | - | Uncoated | Ungapped | 0.138" (3.50mm) | - | - | 0.551" (14.00mm) | N87 | - | ELP 14 x 3.5 x 5 | - | 0.197" (5.00mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.157" (4.00mm) | - | - | 0.709" (18.00mm) | 3C95 | - | E 18 x 4 x 10 | - | 0.394" (10.00mm) | |
Ferroxcube
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- | Toroid | 0.640" (16.25mm) | 19.7 | 38.5 | 760 | - | Epoxy | Ungapped | 0.258" (6.55mm) | - | - | - | 3E27 | - | TX 16 x 9.6 x 6.3 | ±30% | - | |
TDK Corporation
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- | EP | - | 10.3 | 15.7 | 162 | 1330 | Uncoated | Ungapped | 0.148" (3.75mm) | 1.1 µH | 2200 | 0.370" (9.40mm) | N87 | 8.5 | EP 7 | -20%, +30% | 0.256" (6.50mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.224" (5.70mm) | - | - | 0.858" (21.80mm) | 3F46 | - | E 22 x 6 x 16 | - | 0.622" (15.80mm) | |
Ferroxcube
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- | ETD | - | - | - | - | - | Uncoated | - | 0.622" (15.80mm) | - | - | 1.205" (30.60mm) | 3C97 | - | ETD 29 x 16 x 10 | - | 0.386" (9.80mm) | |
TDK Corporation
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- | Toroid | 0.677" (17.20mm) | 19.73 | 38.52 | 760 | - | Epoxy | Ungapped | 0.287" (7.30mm) | 6.44 µH | 10000 | - | T38 | - | - | ±30% | - | |
Ferroxcube
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- | EFD | - | - | - | - | - | Uncoated | - | 0.492" (12.50mm) | - | - | 0.984" (25.00mm) | 3C96 | - | EFD 25 x 13 x 9 | - | 0.358" (9.10mm) | |
Ferroxcube
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- | Toroid | 0.880" (22.35mm) | 24.8 | 54.2 | 1340 | - | Epoxy | Ungapped | 0.265" (6.75mm) | - | 7000 | - | 3E27 | - | TX 22 x 14 x 6.4 | ±25% | - | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.157" (4.00mm) | - | - | 0.709" (18.00mm) | 3F36 | - | E 18 x 4 x 10 | - | 0.394" (10.00mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.157" (4.00mm) | - | - | 0.709" (18.00mm) | 3F46 | - | E 18 x 4 x 10 | - | 0.394" (10.00mm) | |
Ferroxcube
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- | ETD | - | - | - | - | - | Uncoated | - | 0.681" (17.30mm) | - | - | 1.378" (35.00mm) | 3C94 | - | ETD 34 x 17 x 11 | - | 0.437" (11.10mm) | |
TDK Corporation
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- | Toroid | 0.917" (23.30mm) | 26.17 | 54.15 | 1417 | - | Epoxy | Ungapped | 0.291" (7.40mm) | 2.61 µH | 4300 | - | N30 | - | - | ±25% | - | |
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | Ungapped | 0.492" (12.50mm) | - | - | 0.984" (25.00mm) | N97 | - | EFD 25 x 13 x 9 | - | 0.358" (9.10mm) | |
Ferroxcube
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- | PLT | - | - | - | - | - | Uncoated | - | 0.091" (2.30mm) | - | - | 0.787" (20.00mm) | 3C95 | - | PLT 20 x 14 x 2 | - | 0.551" (14.00mm) | |
TDK Corporation
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- | ELP | - | - | - | - | - | Uncoated | - | 0.079" (2.00mm) | - | - | 0.709" (18.00mm) | PC200 | - | - | - | 0.394" (10.00mm) | |
Ferroxcube
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- | PLT | - | - | - | - | - | Uncoated | - | 0.114" (2.90mm) | - | - | 0.858" (21.80mm) | 3C95 | - | PLT 22 x 16 x 2.5 | - | 0.622" (15.80mm) | |
Ferroxcube
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- | EFD | - | - | - | - | - | Uncoated | - | 0.492" (12.50mm) | - | - | 0.984" (25.00mm) | 3F46 | - | EFD 25 x 13 x 9 | - | 0.358" (9.10mm) | |
TDK Corporation
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- | Toroid | 0.835" (21.20mm) | 33.63 | 43.55 | 1465 | - | Epoxy | Ungapped | 0.319" (8.10mm) | 4.16 µH | 4300 | - | N30 | - | - | ±25% | - | |
Ferroxcube
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- | Toroid | 0.880" (22.35mm) | - | - | - | - | Epoxy | - | 0.265" (6.75mm) | - | - | - | - | - | TX 22 x 14 x 6.4 | - | - | |
TDK Corporation
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- | ER | - | 12.4 | 14.1 | 174 | 140 | Uncoated | Gapped | 0.098" (2.50mm) | 160 nH | 2200 | 0.433" (11.00mm) | N87 | - | ER 11 x 5 | ±3% | 0.236" (6.00mm) | |
TDK Corporation
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- | I | - | - | - | - | - | Uncoated | Ungapped | 0.059" (1.50mm) | - | - | 0.551" (14.00mm) | N87 | - | I 14 x 1.5 x 5 | - | 0.197" (5.00mm) | |
TDK Corporation
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- | Multi-Hole (2) | - | 28.4 | 15.3 | 435 | - | Uncoated | Ungapped | 0.327" (8.30mm) | 10 µH | 4300 | 0.571" (14.50mm) | N30 | - | - | ±30% | 0.335" (8.50mm) | |
TDK Corporation
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- | Toroid | 0.249" (6.32mm) | 3.06 | 15.21 | 46.5 | - | Parylene | Ungapped | 0.099" (2.52mm) | 20 nH | 80 | - | K1 | - | - | ±25% | - | |
Ferroxcube
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- | Toroid | 0.561" (14.25mm) | 12.3 | 35 | 430 | - | Epoxy | Ungapped | 0.207" (5.25mm) | - | - | - | 4C65 | - | TX 14 x 9 x 5 | ±30% | - | |
Ferroxcube
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- | PLT | - | - | - | - | - | Uncoated | - | 0.091" (2.30mm) | - | - | 0.984" (25.00mm) | 3C95 | - | PLT 25 x 18 x 2 | - | 0.709" (18.00mm) | |
TDK Corporation
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- | ELP | - | - | - | - | - | Uncoated | - | 0.157" (4.00mm) | - | - | 0.709" (18.00mm) | PC200 | - | - | - | 0.394" (10.00mm) | |
Ferroxcube
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- | EFD | - | - | - | - | - | Uncoated | - | 0.591" (15.00mm) | - | - | 1.181" (30.00mm) | 3C96 | - | EFD 30 x 15 x 9 | - | 0.358" (9.10mm) | |
TDK Corporation
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- | P (Pot Core) | 0.567" (14.40mm) | - | - | - | - | Uncoated | Ungapped | 0.295" (7.50mm) | - | - | - | N22 | - | P Core Half 14 x 7.5 | - | - | |
Ferroxcube
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- | EQ | - | - | - | - | - | Uncoated | - | 0.248" (6.30mm) | - | - | 0.787" (20.00mm) | 3C95 | - | EQ 20 | - | 0.551" (14.00mm) | |
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | Ungapped | 0.492" (12.50mm) | - | - | 0.984" (25.00mm) | N87 | - | EFD 25 x 13 x 9 | - | 0.358" (9.10mm) | |
Fair-Rite Products Corp.
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- | Toroid | - | 47 | 76 | 3530 | - | Uncoated | Ungapped | - | - | 2000 | - | 77 | - | - | ±25% | - | |
Ferroxcube
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- | EP | - | - | - | - | - | Uncoated | Ungapped | 0.512" (13.00mm) | - | - | 0.504" (12.80mm) | 3C96 | - | EP 13 | - | 0.354" (9.00mm) | |
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | Gapped | 0.492" (12.50mm) | - | - | 0.984" (25.00mm) | N87 | - | EFD 25 x 13 x 9 | - | 0.358" (9.10mm) | |
Ferroxcube
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- | P (Pot Core) | 0.553" (14.05mm) | - | - | - | - | Uncoated | - | 0.165" (4.20mm) | - | - | - | 3C91 | - | P 14 x 8 | - | - | |
TDK Corporation
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- | P (Pot Core) | 0.220" (5.60mm) | - | - | - | - | Uncoated | Ungapped | 0.146" (3.70mm) | - | - | - | M33 | - | PCH 5.6 x 3.7 | - | - | |
Ferroxcube
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- | Toroid | - | 7.8 | 24.1 | 3.07 | - | Epoxy | Ungapped | 0.167" (4.25mm) | - | - | - | 4C65 | - | - | - | - | |
TDK Corporation
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- | Toroid | 1.047" (26.60mm) | 51.26 | 60.07 | 3079 | - | Epoxy | Ungapped | 0.433" (11.00mm) | 2.15 µH | 2000 | - | N27 | 51.26 | - | ±25% | - | |
Fair-Rite Products Corp.
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- | ROD | 0.315" (8.00mm) | 7.07 | 25 | - | 29 | Uncoated | Ungapped | - | - | 2000 | 1.500" (38.10mm) | 77 | - | - | - | - | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.224" (5.70mm) | - | - | 0.858" (21.80mm) | 3C95 | - | E 22 x 6 x 16 | - | 0.622" (15.80mm) | |
Fair-Rite Products Corp.
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- | PS | 0.551" (14.00mm) | 25.1 | 19.8 | 495 | - | Uncoated | Ungapped | 0.165" (4.20mm) | - | 3000 | - | 95 | - | - | ±25% | - | |
Ferroxcube
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- | ETD | - | - | - | - | - | Uncoated | - | 0.780" (19.80mm) | - | - | 1.575" (40.00mm) | 3C94 | - | ETD 39 x 20 x 13 | - | 0.504" (12.80mm) | |
TDK Corporation
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- | ETD | - | - | - | - | - | Uncoated | Ungapped | 0.689" (17.50mm) | - | - | 1.339" (34.00mm) | N87 | - | ETD 34 x 17 x 11 | - | 0.433" (11.00mm) | |
Fair-Rite Products Corp.
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- | Multi-Hole (2) | - | - | - | - | - | Uncoated | Ungapped | 1.062" (26.97mm) | 180 nH | 40 | 0.525" (13.34mm) | 67 | - | - | - | 0.295" (7.49mm) | |
VACUUMSCHMELZE
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- | Toroid | 0.673" (17.10mm) | 9 | 39.3 | - | - | Uncoated | Ungapped | 0.256" (6.50mm) | 27 µH | - | - | - | - | - | - | - | |
TDK Corporation
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- | ETD | - | - | - | - | - | Uncoated | Ungapped | 0.630" (16.00mm) | - | - | 1.205" (30.60mm) | N97 | - | ETD 29 x 16 x 10 | - | 0.386" (9.80mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.224" (5.70mm) | - | - | 0.858" (21.80mm) | 3F46 | - | E 22 x 6 x 16 | - | 0.622" (15.80mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.591" (15.00mm) | - | - | 1.213" (30.80mm) | 3C90 | - | E 30 x 15 x 7 | - | 0.287" (7.30mm) |