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
B66311G0170X127

B66311G0170X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

5,534
B66311G0170X127

Datasheet

E20/10/6 Box Active E E 20 x 10 x 6 - - - N27 Gapped - - - - Uncoated - - - 0.394" (10.00mm) 0.803" (20.40mm) 0.232" (5.90mm)
TX13/7.1/4.8-3C94

TX13/7.1/4.8-3C94

FERRITE CORE TOROID 3C94

Ferroxcube

3,523
TX13/7.1/4.8-3C94

Datasheet

- Bulk Active Toroid TX 13 x 7.1 x 4.8 0.510" (12.95mm) - ±20% 3C94 Ungapped - 2300 2.4 29.5 Epoxy 12.3 361.0 - 0.198" (5.03mm) - -
E25/10/6-3C94

E25/10/6-3C94

FERRITE CORE E 3C94

Ferroxcube

3,506
E25/10/6-3C94

Datasheet

- Bulk Active E E 25 x 10 x 6 - - - 3C94 - - - - - Uncoated - - - 0.380" (9.65mm) 1.000" (25.40mm) 0.250" (6.35mm)
TX14/9/5-3E27

TX14/9/5-3E27

FERRITE CORE TOROID 3E+27

Ferroxcube

8,515
TX14/9/5-3E27

Datasheet

- Bulk Active Toroid TX 14 x 9 x 5 0.561" (14.25mm) - - 3E27 - - - - - Epoxy - - - 0.207" (5.25mm) - -
B66307G0100X127

B66307G0100X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

2,306
B66307G0100X127

Datasheet

E16/8/5 Box Active E E 16 x 8 x 5 - - - N27 Gapped - - - - Uncoated - - - 0.323" (8.20mm) 0.630" (16.00mm) 0.185" (4.70mm)
B66322G0000X127

B66322G0000X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

1,412
B66322G0000X127

Datasheet

E10/5.5/5 Box Active E E 10 x 5.5 x 5 - - - N27 Ungapped - - - - Uncoated - - - 0.216" (5.50mm) 0.402" (10.20mm) 0.189" (4.80mm)
TX14/9/5-3E6

TX14/9/5-3E6

FERRITE CORE TOROID

Ferroxcube

1,275
TX14/9/5-3E6

Datasheet

- Bulk Active Toroid TX 14 x 9 x 5 0.561" (14.25mm) - - - - - - - - Epoxy - - - 0.207" (5.25mm) - -
B64290L0742X038

B64290L0742X038

FERRITE CORE TOROID 6.03UH T38

EPCOS - TDK Electronics

17,029
B64290L0742X038

Datasheet

TX13/7.9/6.4 Box Active Toroid - 0.535" (13.60mm) 6.03 µH ±30% T38 Ungapped - 10000 2.08 31.17 Epoxy 14.96 466.0 - 0.281" (7.15mm) - -
7898400121

7898400121

FERRITE CORE E SET

Fair-Rite Products Corp.

1,636
7898400121

Datasheet

- Bulk Active E - - - ±25% - Ungapped - 2400 109.0 16.6 Uncoated 15.2 252.0 15.0 - 0.551" (14.00mm) 0.197" (5.00mm)
PLT13/9/1-3C95

PLT13/9/1-3C95

FERRITE CORE PLT 3C95

Ferroxcube

22,212
PLT13/9/1-3C95

Datasheet

- Bulk Active PLT PLT 13 x 9 x 1 - - - 3C95 - - - - - Uncoated - - - 0.043" (1.10mm) 0.504" (12.80mm) 0.343" (8.70mm)
5976000211

5976000211

FERRITE CORE TOROID 4.4UH 76

Fair-Rite Products Corp.

2,121
5976000211

Datasheet

- Bag Active Toroid - - 4.4 µH ±30% 76 Ungapped - 10000 286.0 20.7 Parylene 7.2 150.0 - - - -
TX13/7.9/6.4-3C94

TX13/7.9/6.4-3C94

FERRITE CORE TOROID 3C94

Ferroxcube

4,025
TX13/7.9/6.4-3C94

Datasheet

- Bulk Active Toroid TX 13 x 7.9 x 6.4 0.526" (13.35mm) - ±25% 3C94 Ungapped 2300.0 - 2.21 31.2 Epoxy 14.1 442.0 - 0.275" (7.00mm) - -
B64290L0652X830

B64290L0652X830

FERRITE CORE TOROID 2.71UH N30

EPCOS - TDK Electronics

4,007
B64290L0652X830

Datasheet

TX17.4/10.3/7 Box Active Toroid - 0.717" (18.20mm) 2.71 µH ±25% N30 Ungapped - 4300 2.0 42.0 Epoxy 21.04 884.0 - 0.307" (7.80mm) - -
B64290L0743X038

B64290L0743X038

FERRITE CORE TOROID 5.4UH T38

EPCOS - TDK Electronics

8,310
B64290L0743X038

Datasheet

TX16/9/5 Box Active Toroid - 0.661" (16.80mm) 5.4 µH ±30% T38 Ungapped - 10000 2.33 36.75 Epoxy 15.78 580.0 - 0.215" (5.45mm) - -
B66317G0100X187

B66317G0100X187

FERRITE CORE E N87 1PC

EPCOS - TDK Electronics

1,751
B66317G0100X187

Datasheet

E25/13/7 Box Active E E 25 x 13 x 7 - - - N87 Gapped - - - - Uncoated - - - 0.504" (12.80mm) 0.984" (25.00mm) 0.295" (7.50mm)
TX10/6/4-3C90

TX10/6/4-3C90

FERRITE CORE TOROID 3C90

Ferroxcube

3,000
TX10/6/4-3C90

Datasheet

- Bulk Active Toroid - - - - 3C90 - - - - - Epoxy - - - 0.167" (4.25mm) - -
B66307G0240X187

B66307G0240X187

FERRITE CORE E N87

EPCOS - TDK Electronics

2,796
B66307G0240X187

Datasheet

E16/8/5 Box Active E E 16 x 8 x 5 - - - N87 Gapped - 2200 1.87 37.6 Uncoated 20.1 756.0 19.4 0.323" (8.20mm) 0.630" (16.00mm) 0.185" (4.70mm)
B64290L0658X038

B64290L0658X038

FERRITE CORE TOROID 4.42UH T38

EPCOS - TDK Electronics

1,453
B64290L0658X038

Datasheet

TX14/9/5 Box Active Toroid - 0.594" (15.10mm) 4.42 µH ±30% T38 Ungapped - 10000 2.84 34.98 Epoxy 12.3 430.0 - 0.236" (6.00mm) - -
TX13/7.9/6.4-3E27

TX13/7.9/6.4-3E27

FERRITE CORE

Ferroxcube

4,157
TX13/7.9/6.4-3E27

Datasheet

- Bulk Active - - - - - - - - - - - Uncoated - - - 0.311" (7.90mm) - 0.252" (6.40mm)
B64290L0045X035

B64290L0045X035

FERRITE CORE TOROID 3.87UH T35

EPCOS - TDK Electronics

4,118
B64290L0045X035

Datasheet

TX16/9.6/6.3 Bulk Active Toroid - 0.677" (17.20mm) 3.87 µH ±25% T35 Ungapped - 6000 1.95 38.52 Epoxy 19.73 760.0 - 0.287" (7.30mm) - -
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