Ferrite Cores

Manufacturer Series Packaging Part Status Core Type Supplier Device Package Diameter Inductance Factor (Al) Tolerance Material Gap Effective Permeability (µe) Initial Permeability (µi) Core Factor (ΣI/A) mm⁻¹ Effective Length (le) mm Finish Effective Area (Ae) mm² Effective Magnetic Volume (Ve) mm³ Minimum Core Cross Section (Amin) mm² Height Length 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Packaging Part Status Core Type Supplier Device Package Diameter Inductance Factor (Al) Tolerance Material Gap Effective Permeability (µe) Initial Permeability (µi) Core Factor (ΣI/A) mm⁻¹ Effective Length (le) mm Finish Effective Area (Ae) mm² Effective Magnetic Volume (Ve) mm³ Minimum Core Cross Section (Amin) mm² Height Length Width
B65879A0000R087

B65879A0000R087

FERRITE CORE PQ 6.3UH N87 2PCS

EPCOS - TDK Electronics

240
B65879A0000R087

Datasheet

PQ32/20 Box Active PQ PQ 32 x 20 - 6.3 µH -20%, +30% N87 Ungapped 1580.0 2200 0.314 48.4 Uncoated 154.2 7460.0 127.5 0.404" (10.25mm) 1.260" (32.00mm) 0.866" (22.00mm)
B66289K0000X149

B66289K0000X149

FERRITE CORE I N49

EPCOS - TDK Electronics

870
B66289K0000X149

Datasheet

I38/4/25 Tray Active I I 38 x 4 x 25 - - - N49 Ungapped - - - - Uncoated - - - 0.150" (3.81mm) 1.500" (38.10mm) 1.000" (25.40mm)
B66501G0000X197

B66501G0000X197

FERRITE CORE ER N97 1PC

EPCOS - TDK Electronics

1,429
B66501G0000X197

Datasheet

ER32/5/21 Box Active ER ER 32 x 5 x 21 - - - N97 Ungapped - - - - Uncoated - - - 0.201" (5.10mm) 1.260" (32.00mm) 0.827" (21.00mm)
B65813P0000R087

B65813P0000R087

FERRITE CORE RM 5.2UH N87 2PCS

EPCOS - TDK Electronics

1,401
B65813P0000R087

Datasheet

RM10/LP Cut Tape (CT) Active RM RM 10 LP - 5.2 µH -20%, +30% N87 Ungapped 1410.0 2200 0.34 33.9 Uncoated 99.1 3360.0 90.0 0.207" (5.25mm) 1.122" (28.50mm) 0.531" (13.50mm)
B65813J0000Y038

B65813J0000Y038

FERRITE CORE RM 16UH T38 2PCS

EPCOS - TDK Electronics

995
B65813J0000Y038

Datasheet

RM10 Box Active RM RM 10 - 16 µH -30%, +40% T38 Ungapped 5720.0 2300 0.45 44.0 Uncoated 98.0 4310.0 90.0 0.368" (9.35mm) 1.122" (28.50mm) 0.531" (13.50mm)
PQ32/25-3F36

PQ32/25-3F36

FERRITE CORE PQ 3F36 2PC SET

Ferroxcube

671
PQ32/25-3F36

Datasheet

- Bulk Active PQ PQ 32 x 25 - - - 3F36 - - - - - Uncoated - - - 0.984" (25.00mm) 1.299" (33.00mm) 0.866" (22.00mm)
B66335G0000X127

B66335G0000X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

381
B66335G0000X127

Datasheet

E55/28/21 Box Active E E 55 x 28 x 21 - - - N27 Ungapped - - - - Uncoated - - - 1.094" (27.80mm) 2.165" (55.00mm) 0.827" (21.00mm)
P26/16/I-3F46

P26/16/I-3F46

FERRITE CORE P 3F46 2PC SET

Ferroxcube

434
P26/16/I-3F46

Datasheet

- Bulk Active P (Pot Core) P 26 x 16 1.004" (25.50mm) - - 3F46 - - - - - Uncoated - - - 0.638" (16.20mm) - -
B66367Q0100K187

B66367Q0100K187

FERRITE CORE ETD 100NH N87

EPCOS - TDK Electronics

1,382
B66367Q0100K187

Datasheet

ETD49/25/16 Bulk Active ETD ETD 49 x 25 x 16 - 100 nH ±10% N87 Distributed Gapped - - 0.54 114.0 Uncoated 211.0 24100.0 209.0 0.657" (16.70mm) 1.909" (48.50mm) 0.980" (24.90mm)
TX39/20/13-3C94

TX39/20/13-3C94

FERRITE CORE TOROID 3C94

Ferroxcube

246
TX39/20/13-3C94

Datasheet

- Bulk Active Toroid TX 39 x 20 x 13 1.567" (39.80mm) - ±25% 3C94 Ungapped 2300.0 - 0.76 84.9 Epoxy 112.0 9513.0 - 0.535" (13.60mm) - -
B65877B0000R097

B65877B0000R097

FERRITE CORE PQ 5.15UH N97 2PCS

EPCOS - TDK Electronics

215
B65877B0000R097

Datasheet

PQ26/20 Box Active PQ PQ 26 x 20 - 5.15 µH -20%, +30% N97 Ungapped 1480.0 2300 0.363 44.4 Uncoated 122.3 5435.0 108.8 0.397" (10.08mm) 1.043" (26.50mm) 0.748" (19.00mm)
B64290L0022X065

B64290L0022X065

FERRITE CORE TOROID 5.8UH T65

EPCOS - TDK Electronics

252
B64290L0022X065

Datasheet

TX42/26/13 Box Active Toroid - 1.717" (43.60mm) 5.8 µH ±30% T65 Ungapped - 5000 1.08 103.0 Epoxy 95.75 9862.0 - 0.535" (13.60mm) - -
TX39/20/13-3C90

TX39/20/13-3C90

FERRITE CORE TOROID 3C90

Ferroxcube

212
TX39/20/13-3C90

Datasheet

- Bulk Active Toroid TX 39 x 20 x 13 1.567" (39.80mm) - - 3C90 - - - - - Epoxy - - - 0.535" (13.60mm) - -
TX39/20/13-3E27

TX39/20/13-3E27

FERRITE CORE TOROID 3E+27

Ferroxcube

144
TX39/20/13-3E27

Datasheet

- Bulk Active Toroid TX 39 x 20 x 13 1.567" (39.80mm) - - 3E27 - - - - - Epoxy - - - 0.535" (13.60mm) - -
B66461G0000X197

B66461G0000X197

FERRITE CORE ELP N97 1PC

EPCOS - TDK Electronics

2,149
B66461G0000X197

Datasheet

ELP43/10/28 Box Active ELP ELP 43 x 10 x 28 - - - N97 Ungapped - - - - Uncoated - - - 0.374" (9.50mm) 1.700" (43.20mm) 1.098" (27.90mm)
HF90T44.5X13X30

HF90T44.5X13X30

FERRITE CORE TOROID

TDK Corporation

1,682
HF90T44.5X13X30

Datasheet

T Tray Active Toroid - 1.752" (44.50mm) - - - Ungapped - 5000 - - Epoxy - - - 0.512" (13.00mm) - -
B65877B0000R087

B65877B0000R087

FERRITE CORE PQ 5UH N87 2PCS

EPCOS - TDK Electronics

459
B65877B0000R087

Datasheet

PQ26/20 Box Active PQ PQ 26 x 20 - 5 µH -20%, +30% N87 Ungapped 1440.0 2200 0.363 44.4 Uncoated 122.3 5435.0 108.8 0.397" (10.08mm) 1.043" (26.50mm) 0.748" (19.00mm)
0059059A2

0059059A2

FERRITE CORE TOROID 43NH

Magnetics, a division of Spang & Co.

473
0059059A2

Datasheet

- Bulk Active Toroid - 0.930" (23.62mm) 43 nH ±8% - Ungapped - 60 - 56.7 Coated 31.7 1800.0 - 0.330" (8.38mm) - -
B65811D0630J048

B65811D0630J048

FERRITE CORE RM 630NH N48 2PCS

EPCOS - TDK Electronics

128
B65811D0630J048

Datasheet

RM8 Cut Tape (CT) Active RM RM 8 - 630 nH ±5% N48 Gapped 338.0 - 0.68 35.1 Uncoated 52.0 1825.0 - 0.324" (8.25mm) 0.913" (23.20mm) 0.433" (11.00mm)
B66291G0000X197

B66291G0000X197

FERRITE CORE ELP N97

EPCOS - TDK Electronics

1,055
B66291G0000X197

Datasheet

ELP43/10/28 Bag Active ELP ELP 43 x 10 x 28 - - - N97 Ungapped - - - - Uncoated - - - 0.374" (9.50mm) 1.700" (43.20mm) 1.098" (27.90mm)
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