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 | 0.295" (7.50mm) | - | - | 0.591" (15.00mm) | N49 | - | EFD 15 x 8 x 5 | - | 0.183" (4.65mm) | |
Ferroxcube
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- | Toroid | 0.635" (16.13mm) | - | - | - | - | Epoxy | - | 0.195" (4.95mm) | - | - | - | 3E27 | - | TX 16 x 9.1 x 4.7 | - | - | |
TDK Corporation
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- | Toroid | 0.677" (17.20mm) | 19.73 | 38.52 | 760 | - | Epoxy | Ungapped | 0.287" (7.30mm) | 4.19 µH | 6500 | - | T37 | - | - | ±25% | - | |
Fair-Rite Products Corp.
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- | ROD | - | - | - | - | - | Uncoated | Ungapped | - | - | 250 | 0.984" (25.00mm) | 52 | - | - | - | - | |
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | Ungapped | 0.205" (5.20mm) | - | - | 0.413" (10.50mm) | N87 | - | EFD 10 x 5 x 3 | - | 0.106" (2.70mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.504" (12.80mm) | - | - | 0.984" (25.00mm) | 3C94 | - | E 25 x 13 x 11 | - | 0.433" (11.00mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.591" (15.00mm) | - | - | 1.213" (30.80mm) | 3C94 | - | E 30 x 15 x 7 | - | 0.287" (7.30mm) | |
TDK Corporation
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- | Toroid | 0.551" (14.00mm) | - | - | - | - | Epoxy | Ungapped | 0.276" (7.00mm) | - | 5000 | - | - | - | - | - | - | |
TDK Corporation
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- | Toroid | 0.717" (18.20mm) | 21.04 | 42 | 884 | - | Epoxy | Ungapped | 0.307" (7.80mm) | 2.71 µH | 4300 | - | N30 | - | - | ±25% | - | |
Ferroxcube
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- | Toroid | 0.640" (16.25mm) | 19.7 | 38.5 | 760 | - | Epoxy | Ungapped | 0.258" (6.55mm) | - | - | - | 3C94 | - | TX 16 x 9.6 x 6.3 | ±30% | - | |
Ferroxcube
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- | EQ | - | - | - | - | - | Uncoated | - | 0.112" (2.85mm) | - | - | 0.504" (12.80mm) | 3C95 | - | EQ 13 | - | 0.343" (8.70mm) | |
TDK Corporation
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- | E | - | 24 | 39.6 | 950 | - | Uncoated | Ungapped | - | 1.4 µH | 2500 | 0.787" (20.00mm) | PC47 | - | - | ±25% | 0.197" (5.00mm) | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.646" (16.40mm) | - | - | 1.260" (32.00mm) | 3C94 | - | E 32 x 16 x 9 | - | 0.374" (9.50mm) | |
TDK Corporation
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- | Toroid | 0.677" (17.20mm) | 19.73 | 38.52 | 760 | - | Epoxy | Ungapped | 0.287" (7.30mm) | - | - | - | N49 | - | - | - | - | |
VACUUMSCHMELZE
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- | Toroid | 0.579" (14.70mm) | 4.2 | 35 | - | - | Epoxy | Ungapped | 0.189" (4.80mm) | - | - | - | - | - | - | - | - | |
Ferroxcube
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- | E | - | - | - | - | - | Uncoated | - | 0.646" (16.40mm) | - | - | 1.260" (32.00mm) | 3C92 | - | E 32 x 16 x 9 | - | 0.374" (9.50mm) | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Ungapped | 0.161" (4.10mm) | - | - | 0.354" (9.00mm) | T38 | - | E 8 x 8 | - | 0.079" (2.00mm) | |
Ferroxcube
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- | Toroid | 0.640" (16.25mm) | - | - | - | - | Epoxy | - | 0.258" (6.55mm) | - | - | - | - | - | TX 16 x 9.6 x 6.3 | - | - | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Ungapped | 0.161" (4.10mm) | - | - | 0.354" (9.00mm) | N30 | - | E 8 x 8 | - | 0.079" (2.00mm) | |
TDK Corporation
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- | HE, PLT | - | 16.7 | 15 | 251 | - | Uncoated | Ungapped | 0.197" (5.00mm) | 1.55 µH | - | 0.551" (14.00mm) | PC95 | 15 | EI 14 x 5 x 5 | ±25% | 0.197" (5.00mm) | |
TDK Corporation
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- | EP | - | 10.3 | 15.7 | 162 | 2430 | Uncoated | Ungapped | 0.148" (3.75mm) | 2 µH | 4300 | 0.370" (9.40mm) | N30 | 8.5 | EP 7 | -20%, +30% | 0.256" (6.50mm) | |
TDK Corporation
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- | PS | - | - | - | - | - | Uncoated | - | 0.138" (3.50mm) | - | 2300 | - | N22 | - | PS 9 x 3.5 | - | - | |
TDK Corporation
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- | P (Pot Core) | 0.370" (9.40mm) | - | - | - | - | Uncoated | Ungapped | 0.181" (4.60mm) | - | - | - | N22 | - | PCH 9.4 x 4.6 | - | - | |
TDK Corporation
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- | ELP | - | - | - | - | - | Uncoated | Ungapped | 0.138" (3.50mm) | - | - | 0.551" (14.00mm) | PC200 | - | ELP 14 x 3.5 x 5 | - | 0.197" (5.00mm) | |
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | - | 0.394" (10.00mm) | - | - | 0.787" (20.00mm) | PC200 | - | - | - | 0.264" (6.70mm) | |
TDK Corporation
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- | ER | - | 8.81 | 13.6 | 120 | 1032 | Uncoated | Ungapped | 0.098" (2.50mm) | 840 nH | 2300 | 0.374" (9.50mm) | N97 | - | ER 9.5 x 5 | -20%, +30% | 0.197" (5.00mm) | |
TDK Corporation
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- | EP | - | 11.3 | 19.2 | 217 | 2700 | Uncoated | Ungapped | 0.205" (5.20mm) | 2 µH | 4300 | 0.465" (11.80mm) | N30 | 8.5 | EP 10 | -20%, +30% | 0.309" (7.85mm) | |
TDK Corporation
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- | ER | - | 12.4 | 14.1 | 174 | 1050 | Uncoated | Ungapped | 0.098" (2.50mm) | 1.2 µH | 2200 | 0.433" (11.00mm) | N87 | - | ER 11 x 5 | -20%, +30% | 0.236" (6.00mm) | |
TDK Corporation
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- | Toroid | - | - | - | - | - | Uncoated | Ungapped | - | - | - | - | - | - | - | - | - | |
Ferroxcube
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- | RM | - | - | - | - | - | Uncoated | - | 0.354" (9.00mm) | - | - | 0.701" (17.90mm) | 3C95 | - | RM 6 | - | 0.323" (8.20mm) | |
Ferroxcube
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- | Toroid | 0.880" (22.35mm) | 24.8 | 54.2 | 1340 | - | Epoxy | Ungapped | 0.265" (6.75mm) | - | 5200 | - | - | - | TX 22 x 14 x 6.4 | ±30% | - | |
TDK Corporation
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- | RM | - | 20.8 | 20.8 | 433 | 251 | Uncoated | Gapped | 0.207" (5.25mm) | 315 nH | - | 0.575" (14.60mm) | N48 | - | RM 5 | ±3% | 0.268" (6.80mm) | |
Ferroxcube
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- | Toroid | 0.797" (20.25mm) | - | - | - | - | Epoxy | - | 0.291" (7.40mm) | - | - | - | - | - | TX 20 x 10 x 7 | - | - | |
TDK Corporation
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- | E | - | - | - | - | - | Uncoated | Gapped | 0.598" (15.20mm) | - | - | 1.181" (30.00mm) | N27 | - | E 30 x 15 x 7 | - | 0.287" (7.30mm) | |
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) | |
Ferroxcube
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- | ETD | - | - | - | - | - | Uncoated | - | 0.681" (17.30mm) | - | - | 1.378" (35.00mm) | 3C97 | - | ETD 34 x 17 x 11 | - | 0.437" (11.10mm) | |
TDK Corporation
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- | EP | - | 10.3 | 15.7 | 162 | 6310 | Uncoated | Ungapped | 0.148" (3.75mm) | 5.2 µH | 10000 | 0.370" (9.40mm) | T38 | 8.5 | EP 7 | -30%, +40% | 0.256" (6.50mm) | |
TDK Corporation
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- | EFD | - | - | - | - | - | Uncoated | Gapped | 0.591" (15.00mm) | - | - | 1.181" (30.00mm) | N87 | - | EFD 30 x 15 x 9 | - | 0.358" (9.10mm) | |
TDK Corporation
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- | EP | - | 11.3 | 19.2 | 217 | 1480 | Uncoated | Ungapped | 0.205" (5.20mm) | 1.1 µH | 2200 | 0.465" (11.80mm) | N87 | 8.5 | EP 10 | -20%, +30% | 0.309" (7.85mm) | |
TDK Corporation
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- | ER | - | 12.4 | 14.1 | 174 | 580 | Uncoated | Ungapped | 0.197" (5.00mm) | - | 800 | 0.433" (11.00mm) | PC200 | 10.3 | ER 11 x 5 | -20%, +30% | 0.236" (6.00mm) | |
Ferroxcube
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- | EFD | - | - | - | - | - | Uncoated | - | 0.591" (15.00mm) | - | - | 1.181" (30.00mm) | 3F46 | - | EFD 30 x 15 x 9 | - | 0.358" (9.10mm) | |
Ferroxcube
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- | EFD | - | - | - | - | - | Uncoated | - | 0.591" (15.00mm) | - | - | 1.181" (30.00mm) | 3F36 | - | EFD 30 x 15 x 9 | - | 0.358" (9.10mm) | |
TDK Corporation
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- | ELP | - | - | - | - | - | Uncoated | Ungapped | 0.224" (5.70mm) | - | - | 0.858" (21.80mm) | N87 | - | ELP 22 x 6 x 16 | - | 0.622" (15.80mm) | |
TDK Corporation
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- | ER | - | 12.4 | 14.1 | 174 | 5600 | Uncoated | Ungapped | 0.098" (2.50mm) | 6.4 µH | 10000 | 0.433" (11.00mm) | T38 | - | ER 11 x 5 | -30%, +40% | 0.236" (6.00mm) | |
TDK Corporation
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- | I | - | - | - | - | - | Uncoated | Ungapped | 0.079" (2.00mm) | - | - | 0.709" (18.00mm) | N87 | - | I 18 x 2 x 10 | - | 0.394" (10.00mm) | |
Ferroxcube
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- | Toroid | 1.007" (25.95mm) | - | - | - | - | Epoxy | - | 0.429" (10.90mm) | - | - | - | 3C90 | - | TX 25 x 15 x 10 | - | - | |
Ferroxcube
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- | Toroid | 1.007" (25.95mm) | 48.9 | 60.2 | 2944 | 2300 | Epoxy | Ungapped | 0.429" (10.90mm) | - | - | - | 3C94 | - | TX 25 x 15 x 10 | ±25% | - | |
TDK Corporation
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- | EP | - | 19.5 | 24.2 | 472 | 1580 | Uncoated | Ungapped | 0.256" (6.50mm) | 1.6 µH | 2200 | 0.504" (12.80mm) | N87 | 14.9 | EP 13 | -20%, +30% | 0.354" (9.00mm) | |
TDK Corporation
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- | ER | - | 17.6 | 19 | 333 | 1290 | Uncoated | Ungapped | 0.116" (2.95mm) | 1.5 µH | 2300 | 0.571" (14.50mm) | N97 | - | ER 14.5 x 6 | -20%, +30% | 0.264" (6.70mm) | |
TDK Corporation
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- | EP | - | 11.3 | 19.2 | 217 | 6490 | Uncoated | Ungapped | 0.205" (5.20mm) | 4.8 µH | 2300 | 0.465" (11.80mm) | T38 | 8.5 | EP 10 | -30%, +40% | 0.309" (7.85mm) |