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
B65807J0000R035

B65807J0000R035

FERRITE CORE RM 6.2UH T35 2PCS

EPCOS - TDK Electronics

2,318
B65807J0000R035

Datasheet

RM6 Box Active RM RM 6 - 6.2 µH -20%, +30% T35 Ungapped 3860.0 6000 0.78 28.6 Uncoated 36.6 1050.0 31.0 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
5976022121

5976022121

FERRITE CORE TOROID 12.8UH 76

Fair-Rite Products Corp.

939
5976022121

Datasheet

- Bulk Active Toroid - 1.185" (30.10mm) 12.8 µH ±30% 76 Ungapped - 10000 0.978 73.2 Plastic 74.9 5480.0 - 0.630" (16.00mm) - -
FR44310EC

FR44310EC

E-CORE - FLAT BACKS

Magnetics, a division of Spang & Co.

341
FR44310EC

Datasheet

- Bulk Active Planar E/I - - 8.266 µH - R Ungapped - 2300 - 61.1 Uncoated 229.0 18900.0 229.0 0.374" (9.50mm) 1.701" (43.20mm) 1.098" (27.90mm)
PLT38/25/2.7-3C95

PLT38/25/2.7-3C95

FERRITE CORE PLT 3C95

Ferroxcube

880
PLT38/25/2.7-3C95

Datasheet

- Bulk Active PLT PLT 38 x 25 x 2.7 - - - 3C95 - - - - - Uncoated - - - 0.106" (2.70mm) 1.500" (38.10mm) 1.000" (25.40mm)
B65805N0160A048

B65805N0160A048

FERRITE CORE RM 160NH N48 2PCS

EPCOS - TDK Electronics

2,321
B65805N0160A048

Datasheet

RM5 Box Active RM RM 5 - 160 nH ±3% N48 Gapped 127.0 - 1.0 20.8 Uncoated 20.8 433.0 - 0.207" (5.25mm) 0.575" (14.60mm) 0.268" (6.80mm)
B66484K0000X149

B66484K0000X149

FERRITE CORE I N49 1PC

EPCOS - TDK Electronics

126
B66484K0000X149

Datasheet

I25/3/15 Box Active I I 25 x 3 x 15 - - - N49 Ungapped - - - - Uncoated - - - 0.098" (2.50mm) 0.984" (25.00mm) 0.583" (14.80mm)
B65811J0000R087

B65811J0000R087

FERRITE CORE RM 3.3UH N87 2PCS

EPCOS - TDK Electronics

488
B65811J0000R087

Datasheet

RM8 Box Active RM RM 8 - 3.3 µH -20%, +30% N87 Ungapped 1560.0 2200 0.59 38.0 Uncoated 64.0 2430.0 55.0 0.324" (8.25mm) 0.913" (23.20mm) 0.433" (11.00mm)
2861014302

2861014302

FERRITE CORE 2 HOLE 300NH 61

Fair-Rite Products Corp.

1,013
2861014302

Datasheet

- Box Active Multi-Hole (2) - - 300 nH - 61 Ungapped - - - - Uncoated - - - 0.500" (12.70mm) 0.787" (20.00mm) 0.386" (9.80mm)
0077071A7

0077071A7

FERRITE CORE TOROID 61NH KOOL MU

Magnetics, a division of Spang & Co.

717
0077071A7

Datasheet

- Bulk Active Toroid - 1.291" (32.80mm) 61 nH ±8% Kool Mu Ungapped - 60 - 81.4 Coated 65.6 5340.0 - 0.420" (10.67mm) - -
0077553A7

0077553A7

FERRITE CORE TOROID 76NH KOOL MU

Magnetics, a division of Spang & Co.

584
0077553A7

Datasheet

- Bulk Active Toroid - 1.325" (33.66mm) 76 nH ±8% Kool Mu Ungapped - 75 - 81.4 Coated 65.6 5340.0 - 0.450" (11.45mm) - -
B65807J0000R030

B65807J0000R030

FERRITE CORE RM 4.3UH N30 2PCS

EPCOS - TDK Electronics

801
B65807J0000R030

Datasheet

RM6 Box Active RM RM 6 - 4.3 µH -20%, +30% N30 Ungapped 2670.0 4300 0.78 28.6 Uncoated 36.6 1050.0 31.0 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
0077548A7

0077548A7

FERRITE CORE TOROID 127NH KOOLMU

Magnetics, a division of Spang & Co.

578
0077548A7

Datasheet

- Bulk Active Toroid - 1.325" (33.66mm) 127 nH ±8% Kool Mu Ungapped - 125 - 81.4 Coated 65.6 5340.0 - 0.450" (11.45mm) - -
ER32/6/25-3C92

ER32/6/25-3C92

FERRITE CORE ER 3C92

Ferroxcube

810
ER32/6/25-3C92

Datasheet

- Bulk Active ER ER 32 x 6 x 25 - - - 3C92 - - - - - Uncoated - - - 0.236" (6.00mm) 1.264" (32.10mm) 1.000" (25.40mm)
0076894A7

0076894A7

FERRITE CORE TOROID 75NH KOOL MU

Magnetics, a division of Spang & Co.

423
0076894A7

Datasheet

- Bulk Active Toroid - 1.090" (27.69mm) 75 nH ±8% Kool Mu HF Ungapped - 60 - 63.5 Coated 65.4 4150.0 - 0.470" (11.94mm) - -
2661801802

2661801802

61 ROUND SUPPRESSION CORE

Fair-Rite Products Corp.

1,751
2661801802

Datasheet

- Tray Active Toroid - 0.854" (21.70mm) - - 61 Ungapped - - - 54.2 Uncoated 26.1 1415.0 - 0.240" (6.10mm) - -
C058120A2

C058120A2

FERRITE CORE TOROID 72NH HIGH FL

Magnetics, a division of Spang & Co.

2,005
C058120A2

Datasheet

- Bulk Active Toroid - 0.680" (17.27mm) 72 nH ±8% High Flux Ungapped - 125 - 41.2 Coated 19.2 791.0 - 0.280" (7.11mm) - -
B65811J0400A087

B65811J0400A087

FERRITE CORE RM 400NH N87 2PCS

EPCOS - TDK Electronics

639
B65811J0400A087

Datasheet

RM8 Box Active RM RM 8 - 400 nH ±3% N87 Gapped 189.0 2200 0.59 38.0 Uncoated 64.0 2430.0 55.0 0.324" (8.25mm) 0.913" (23.20mm) 0.433" (11.00mm)
E42/21/20-3C94

E42/21/20-3C94

FERRITE CORE E 3C94

Ferroxcube

344
E42/21/20-3C94

Datasheet

- Bulk Active E E 42 x 21 x 20 - - - 3C94 - - - - - Uncoated - - - 0.827" (21.00mm) 1.693" (43.00mm) 0.787" (20.00mm)
B66363G0000X197

B66363G0000X197

FERRITE CORE ETD N97 1PC

EPCOS - TDK Electronics

352
B66363G0000X197

Datasheet

ETD39/20/13 Box Active ETD ETD 39 x 20 x 13 - - - N97 Ungapped - - - - Uncoated - - - 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
B65541T0160G048

B65541T0160G048

FERRITE CORE P 160NH N48 2PCS

EPCOS - TDK Electronics

1,231
B65541T0160G048

Datasheet

P14/8 Box Active P (Pot Core) P 14 x 8 0.563" (14.30mm) 160 nH ±3% N48 Gapped 102.0 - 0.8 20.0 Uncoated 25.0 500.0 20.0 0.167" (4.25mm) - -
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