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
P18/11-3C91

P18/11-3C91

FERRITE CORE P 3C91 2PC SET

Ferroxcube

435
P18/11-3C91

Datasheet

- Bulk Active P (Pot Core) P 18 x 11 0.724" (18.40mm) 4000 nH - 3C91 - - - - - Uncoated - - - 0.417" (10.60mm) - -
B66484G0000X149

B66484G0000X149

FERRITE CORE ER N49 1PC

EPCOS - TDK Electronics

1,655
B66484G0000X149

Datasheet

ER25/6/15 Box Active ER ER 25 x 6 x 15 - - - N49 Ungapped - - - - Uncoated - - - 0.216" (5.50mm) 0.984" (25.00mm) 0.583" (14.80mm)
0077930A7

0077930A7

FERRITE CORE TOROID 157NH KOOLMU

Magnetics, a division of Spang & Co.

983
0077930A7

Datasheet

- Bulk Active Toroid - 1.090" (27.69mm) 157 nH ±8% Kool Mu Ungapped - 125 - 63.5 Coated 65.4 4150.0 - 0.470" (11.94mm) - -
PQ20/20-3C95

PQ20/20-3C95

FERRITE CORE PQ 3C95 2PC SET

Ferroxcube

491
PQ20/20-3C95

Datasheet

- Bulk Active PQ PQ 20 x 20 - - - 3C95 - - - - - Uncoated - - - 0.795" (20.20mm) 0.839" (21.30mm) 0.551" (14.00mm)
B66363G0000X187

B66363G0000X187

FERRITE CORE ETD N87 1PC

EPCOS - TDK Electronics

384
B66363G0000X187

Datasheet

ETD39/20/13 Tray Active ETD ETD 39 x 20 x 13 - - - N87 Ungapped - - - - Uncoated - - - 0.787" (20.00mm) 1.531" (38.90mm) 0.504" (12.80mm)
0077932A7

0077932A7

FERRITE CORE TOROID 32NH KOOL MU

Magnetics, a division of Spang & Co.

2,008
0077932A7

Datasheet

- Bulk Active Toroid - 1.090" (27.69mm) 32 nH ±8% Kool Mu Ungapped - 26 - 63.5 Coated 65.4 4150.0 - 0.470" (11.94mm) - -
0077894A7

0077894A7

FERRITE CORE TOROID 75NH

Magnetics, a division of Spang & Co.

1,259
0077894A7

Datasheet

- Bulk Active Toroid - 1.060" (26.92mm) 75 nH ±8% - Ungapped - 60 - 63.0 Coated 65.4 4150.0 - 0.440" (11.18mm) - -
0077934A7

0077934A7

FERRITE CORE TOROID 113NH KOOLMU

Magnetics, a division of Spang & Co.

1,067
0077934A7

Datasheet

- Bulk Active Toroid - 1.060" (26.92mm) 113 nH ±8% Kool Mu Ungapped - 90 - 63.5 Coated 65.4 4150.0 - 0.440" (11.18mm) - -
2631801802

2631801802

31 ROUND SUPPRESSION CORE

Fair-Rite Products Corp.

646
2631801802

Datasheet

- Tray Active Toroid - 0.854" (21.70mm) - - 31 Ungapped - - - 54.2 Uncoated 26.1 1415.0 - 0.240" (6.10mm) - -
PLT32/20/3.2/R-3F36

PLT32/20/3.2/R-3F36

FERRITE CORE PLT 3F36

Ferroxcube

744
PLT32/20/3.2/R-3F36

Datasheet

- Bulk Active PLT PLT 32 x 20 x 3.2 - - - 3F36 - - - - - Uncoated - - - 0.125" (3.18mm) 1.250" (31.75mm) 0.800" (20.32mm)
B66455G0000X608

B66455G0000X608

FERRITE CORE ELP 2100NH PCS200

EPCOS - TDK Electronics

1,100
B66455G0000X608

Datasheet

ELP22/6/16 Box Active ELP ELP 22 x 6 x 16 - 2100 nH ±25% PC200 Ungapped 640.0 800 0.41 32.5 Uncoated 78.3 2540.0 77.9 0.224" (5.70mm) 0.858" (21.80mm) 0.622" (15.80mm)
PLT38/25/3.8-3C95

PLT38/25/3.8-3C95

FERRITE CORE PLT 3C95

Ferroxcube

8,355
PLT38/25/3.8-3C95

Datasheet

- Bulk Active PLT PLT 38 x 25 x 3.8 - - - 3C95 - - - - - Uncoated - - - 0.150" (3.81mm) 1.500" (38.10mm) 1.000" (25.40mm)
B66339G0000X127

B66339G0000X127

FERRITE CORE EC N27 1PC

EPCOS - TDK Electronics

1,048
B66339G0000X127

Datasheet

EC41/20/12 Box Active EC EC 41 x 20 x 12 - - - N27 Ungapped - - - - Uncoated - - - 0.469" (11.90mm) 1.598" (40.60mm) 0.774" (19.65mm)
C055047A2

C055047A2

FERRITE CORE TOROID 90NH MPP

Magnetics, a division of Spang & Co.

5,406
C055047A2

Datasheet

- Bulk Active Toroid - 0.500" (12.70mm) 90 nH ±8% MPP Ungapped - 200 - 31.2 Coated 10.9 340.0 - 0.187" (4.75mm) - -
B65807J0000R087

B65807J0000R087

FERRITE CORE RM 2.4UH N87 2PCS

EPCOS - TDK Electronics

2,082
B65807J0000R087

Datasheet

RM6 Box Active RM RM 6 - 2.4 µH -20%, +30% N87 Ungapped 1490.0 2200 0.78 28.6 Uncoated 36.6 1050.0 31.0 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
0070051A7

0070051A7

KOOL MU ULTRA 060 PERM BLACK

Magnetics, a division of Spang & Co.

409
0070051A7

Datasheet

- Bag Active Toroid - 0.500" (12.70mm) 26 nH ±8% Kool Mµ Ungapped - 60 - 31.2 Uncoated 10.9 340.0 - 0.187" (4.75mm) - -
EQ30-3C95

EQ30-3C95

FERRITE CORE EQ 3C95

Ferroxcube

710
EQ30-3C95

Datasheet

- Bulk Active EQ EQ 30 - - - 3C95 - - - - - Uncoated - - - 0.315" (8.00mm) 1.181" (30.00mm) 0.787" (20.00mm)
RM7/I-3C95

RM7/I-3C95

FERRITE CORE RM 3C95 2PC SET

Ferroxcube

1,250
RM7/I-3C95

Datasheet

- Bulk Active RM RM 7 - - - 3C95 - - - - - Uncoated - - - 0.528" (13.40mm) 0.799" (20.30mm) -
5978002701

5978002701

FERRITE CORE TOROID 78

Fair-Rite Products Corp.

678
5978002701

Datasheet

- Bulk Active Toroid - 1.400" (35.56mm) - ±25% 78 Ungapped - 2300 - 89.0 Uncoated 79.0 7000.0 - 0.500" (12.70mm) - -
B65541D0000R048

B65541D0000R048

FERRITE CORE P 2.1UH N48 2PCS

EPCOS - TDK Electronics

1,466
B65541D0000R048

Datasheet

P14/8 Box Active P (Pot Core) P 14 x 8 0.563" (14.30mm) 2.1 µH -20%, +30% N48 Ungapped 1340.0 - 0.8 20.0 Uncoated 25.0 500.0 20.0 0.167" (4.25mm) - -
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