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
B66307G0500X187

B66307G0500X187

FERRITE CORE E N87 1PC

EPCOS - TDK Electronics

2,850
B66307G0500X187

Datasheet

E16/8/5 Box Active E E 16 x 8 x 5 - - - N87 Gapped - - - - Uncoated - - - 0.323" (8.20mm) 0.630" (16.00mm) 0.185" (4.70mm)
B66317G1000X187

B66317G1000X187

FERRITE CORE E N87 1PC

EPCOS - TDK Electronics

3,048
B66317G1000X187

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)
B66317G0500X187

B66317G0500X187

FERRITE CORE E N87 1PC

EPCOS - TDK Electronics

2,937
B66317G0500X187

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)
B66319G0000X187

B66319G0000X187

FERRITE CORE E N87 1PC

EPCOS - TDK Electronics

2,479
B66319G0000X187

Datasheet

E30/15/7 Box Active E E 30 x 15 x 7 - - - N87 Ungapped - - - - Uncoated - - - 0.598" (15.20mm) 1.181" (30.00mm) 0.287" (7.30mm)
B64290P0037X049

B64290P0037X049

FERRITE CORE TOROID 330NH N49

EPCOS - TDK Electronics

9,745
B64290P0037X049

Datasheet

TC6.3/3.8/2.5 Box Active Toroid R 6.3 x 3.8 x 2.5 0.248" (6.30mm) 330 nH ±25% N49 Gapped - 1500 4.97 15.21 Parylene 3.06 46.5 - 0.098" (2.50mm) - -
B66417U0100K187

B66417U0100K187

FERRITE CORE EFD N87 1PC

EPCOS - TDK Electronics

3,777
B66417U0100K187

Datasheet

EFD20/10/7 Box Active EFD EFD 20 x 10 x 7 - - - N87 Gapped - - - - Uncoated - - - 0.394" (10.00mm) 0.787" (20.00mm) 0.262" (6.65mm)
B66417U0160K187

B66417U0160K187

FERRITE CORE EFD N87 1PC

EPCOS - TDK Electronics

3,359
B66417U0160K187

Datasheet

EFD20/10/7 Box Active EFD EFD 20 x 10 x 7 - - - N87 Gapped - - - - Uncoated - - - 0.394" (10.00mm) 0.787" (20.00mm) 0.262" (6.65mm)
TX10/6/4-3C94

TX10/6/4-3C94

FERRITE CORE TOROID 3C94

Ferroxcube

2,220
TX10/6/4-3C94

Datasheet

- Bulk Active Toroid - - - - 3C94 Ungapped - - 3.07 24.1 Epoxy 7.8 3.07 - 0.167" (4.25mm) - -
0077040A7

0077040A7

FERRITE CORE TOROID 66NH KOOL MU

Magnetics, a division of Spang & Co.

4,599
0077040A7

Datasheet

- Bulk Active Toroid - 0.425" (10.80mm) 66 nH ±12% Kool Mu Ungapped - 125 - 23.0 Coated 9.57 220.0 - 0.181" (4.60mm) - -
B66311G0090X127

B66311G0090X127

FERRITE CORE E N27 1PC

EPCOS - TDK Electronics

4,135
B66311G0090X127

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)
B66317G0160X187

B66317G0160X187

FERRITE CORE E N87 1PC

EPCOS - TDK Electronics

2,382
B66317G0160X187

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)
0077130A7

0077130A7

FERRITE CORE TOROID 53NH KOOL MU

Magnetics, a division of Spang & Co.

3,605
0077130A7

Datasheet

- Bulk Active Toroid - 0.465" (11.81mm) 53 nH ±12% Kool Mu Ungapped - 125 - 26.9 Coated 9.06 244.0 - 0.181" (4.60mm) - -
B64290P0751X038

B64290P0751X038

FERRITE CORE TOROID 5.5UH T38

EPCOS - TDK Electronics

7,416
B64290P0751X038

Datasheet

TC8/4/4 Box Active Toroid - 0.316" (8.02mm) 5.5 µH ±30% T38 Ungapped - 10000 2.26 17.42 Parylene 7.7 134.0 - 0.158" (4.02mm) - -
5967000301

5967000301

FERRITE CORE TOROID 67

Fair-Rite Products Corp.

19,652
5967000301

Datasheet

- Box Active Toroid - 0.500" (12.70mm) - - 67 Ungapped - 40 - 29.5 Uncoated 12.9 380.0 - 0.188" (4.78mm) - -
B65523J0000R087

B65523J0000R087

FERRITE CORE ER 800NH N87 2PCS

EPCOS - TDK Electronics

15,843
B65523J0000R087

Datasheet

ER9.5 Box Active ER ER 9.5 x 5 - 800 nH -20%, +30% N87 Ungapped 1000.0 2200 1.54 13.6 Uncoated 8.81 120.0 - 0.098" (2.50mm) 0.374" (9.50mm) 0.197" (5.00mm)
B64290L0719X087

B64290L0719X087

FERRITE CORE TOROID 1.66UH N87

EPCOS - TDK Electronics

5,961
B64290L0719X087

Datasheet

TX22/14/7.9 Box Active Toroid - 0.917" (23.30mm) 1.66 µH ±25% N87 Ungapped - 2200 1.66 54.2 Epoxy 32.6 1763.0 - 0.354" (9.00mm) - -
B66311G0500X187

B66311G0500X187

FERRITE CORE E N87 1PC

EPCOS - TDK Electronics

3,766
B66311G0500X187

Datasheet

E20/10/6 Box Active E E 20 x 10 x 6 - - - N87 Gapped - - - - Uncoated - - - 0.394" (10.00mm) 0.803" (20.40mm) 0.232" (5.90mm)
4061287011

4061287011

FERRITE CORE ROD 61

Fair-Rite Products Corp.

3,012
4061287011

Datasheet

- Bulk Active ROD - 0.250" (6.35mm) - - 61 Ungapped 29.0 125 - 25.0 Uncoated 7.07 - - - 0.870" (22.10mm) -
TX10/6/4-3E27

TX10/6/4-3E27

FERRITE CORE TOROID 3E+27

Ferroxcube

2,622
TX10/6/4-3E27

Datasheet

- Bulk Active Toroid - - - - 3E27 Ungapped - - 3.07 24.1 Epoxy 7.8 3.07 - 0.167" (4.25mm) - -
PLT14/5/1.5/S-3C95

PLT14/5/1.5/S-3C95

FERRITE CORE PLT 3C95

Ferroxcube

7,510
PLT14/5/1.5/S-3C95

Datasheet

- Bulk Active PLT PLT 14 x 5 x 1.5 - - - 3C95 - - - - - Uncoated - - - 0.059" (1.50mm) 0.551" (14.00mm) 0.197" (5.00mm)
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