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
CMC030020010H

CMC030020010H

NANOCRYSTAL CORE TOROID 59.3UH

Magnetics, a division of Spang & Co.

191
CMC030020010H

Datasheet

- Bulk Active Toroid - 1.181" (30.00mm) 59.3 µH ±30% Nanocrystalline Ungapped - 80000 - 78.5 Polyester 41.0 - - 0.394" (10.00mm) - -
E58/11/38-3F36

E58/11/38-3F36

FERRITE CORE E 3F36

Ferroxcube

115
E58/11/38-3F36

Datasheet

- Bulk Active E E 58 x 11 x 38 - - - 3F36 - - - - - Uncoated - - - 0.413" (10.50mm) 2.299" (58.40mm) 1.500" (38.10mm)
C055025A2

C055025A2

MPP 300 PERM GREY 030 SIZE

Magnetics, a division of Spang & Co.

761
C055025A2

Datasheet

- Bulk Active Toroid - 0.335" (8.51mm) 124 nH ±8% MPP Ungapped - 300 - 17.9 Coated 5.99 107.0 - 0.150" (3.81mm) - -
B65811F0630J048

B65811F0630J048

FERRITE CORE RM 630NH N48 2PCS

EPCOS - TDK Electronics

1,197
B65811F0630J048

Datasheet

RM8 Box 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)
B66291K0000X187

B66291K0000X187

FERRITE CORE I N87 1PC

EPCOS - TDK Electronics

780
B66291K0000X187

Datasheet

I43/4/28 Bulk Active I I 43 x 4 x 28 - - - N87 Ungapped - - - - Uncoated - - - 0.161" (4.10mm) 1.700" (43.20mm) 1.098" (27.90mm)
B66395G0000X187

B66395G0000X187

FERRITE CORE ETD N87 1PC

EPCOS - TDK Electronics

287
B66395G0000X187

Datasheet

ETD54/28/19 Box Active ETD ETD 54 x 28 x 19 - - - N87 Ungapped - - - - Uncoated - - - 1.094" (27.80mm) 2.156" (54.50mm) 0.760" (19.30mm)
5977002721

5977002721

FERRITE CORE TOROID 2.25UH 77

Fair-Rite Products Corp.

123
5977002721

Datasheet

- Bulk Active Toroid - 1.449" (36.80mm) 2.25 µH -30%, +25% 77 Ungapped - 2000 1.1361 89.1 Plastic 78.4 6991.0 - 0.539" (13.70mm) - -
C058350A2

C058350A2

FERRITE CORE TOROID 105NH HI FLX

Magnetics, a division of Spang & Co.

477
C058350A2

Datasheet

- Bulk Active Toroid - 0.958" (24.33mm) 105 nH ±8% High Flux Ungapped - 125 - 58.8 Coated 38.8 2280.0 - 0.380" (9.65mm) - -
B65813N0630A048

B65813N0630A048

FERRITE CORE RM 630NH N48 2PCS

EPCOS - TDK Electronics

2,245
B65813N0630A048

Datasheet

RM10 Box Active RM RM 10 - 630 nH ±3% N48 Gapped 254.0 - 0.5 42.0 Uncoated 83.0 3490.0 - 0.368" (9.35mm) 1.122" (28.50mm) 0.531" (13.50mm)
B64290L0674X830

B64290L0674X830

FERRITE CORE TOROID 5.75UH N30

EPCOS - TDK Electronics

785
B64290L0674X830

Datasheet

TX36/23/15 Tray Active Toroid - 1.476" (37.50mm) 5.75 µH ±25% N30 Ungapped - 4300 0.94 89.65 Epoxy 95.89 8597.0 - 0.638" (16.20mm) - -
U67/27/14-3C91

U67/27/14-3C91

FERRITE CORE U 3C91

Ferroxcube

123
U67/27/14-3C91

Datasheet

- Bulk Active U U 67 x 27 x 14 - - - 3C91 - - - - - Uncoated - - - 1.063" (27.00mm) 2.650" (67.30mm) 0.563" (14.30mm)
B66335G1000X187

B66335G1000X187

FERRITE CORE E N87 1PC

EPCOS - TDK Electronics

105
B66335G1000X187

Datasheet

E55/28/21 Box Active E E 55 x 28 x 21 - - - N87 Gapped - - - - Uncoated - - - 1.094" (27.80mm) 2.165" (55.00mm) 0.827" (21.00mm)
0P45716UC

0P45716UC

FERRITE CORE UR 3.061UH P

Magnetics, a division of Spang & Co.

234
0P45716UC

Datasheet

- Bulk Active UR - - 3.061 µH - P Ungapped - 2500 - 163.0 Uncoated 171.0 27900.0 - 1.126" (28.60mm) 2.270" (57.65mm) 0.626" (15.90mm)
B65847A0000R030

B65847A0000R030

FERRITE CORE EP 6.7UH N30 2PCS

EPCOS - TDK Electronics

712
B65847A0000R030

Datasheet

EP20 Box Active EP EP 20 - 6.7 µH -20%, +30% N30 Ungapped 2730.0 5200 0.51 40.0 Uncoated 78.0 3120.0 60.0 0.425" (10.80mm) 0.965" (24.50mm) 0.602" (15.30mm)
T60006L2030W358

T60006L2030W358

FERRITE CORE TOROID 15.5UH

VACUUMSCHMELZE

5,443
T60006L2030W358

Datasheet

- Box Active Toroid - 1.299" (33.00mm) 15.5 µH - - Ungapped - - - 78.5 Uncoated 40.0 - - 0.492" (12.50mm) - -
0070894A7

0070894A7

KOOL MU ULTRA 060 PERM BLACK

Magnetics, a division of Spang & Co.

265
0070894A7

Datasheet

- Tray Active Toroid - 1.060" (26.92mm) 78 nH ±8% Kool Mµ Ungapped - 60 - 63.5 Uncoated 65.4 4150.0 - 0.440" (11.18mm) - -
B65813N0400A048

B65813N0400A048

FERRITE CORE RM 400NH N48 2PCS

EPCOS - TDK Electronics

773
B65813N0400A048

Datasheet

RM10 Box Active RM RM 10 - 400 nH ±3% N48 Gapped 161.0 - 0.5 42.0 Uncoated 83.0 3490.0 - 0.368" (9.35mm) 1.122" (28.50mm) 0.531" (13.50mm)
PQ35/35-3C96

PQ35/35-3C96

FERRITE CORE PQ 3C96 2PC SET

Ferroxcube

333
PQ35/35-3C96

Datasheet

- Bulk Active PQ PQ 35 x 35 - - ±25% 3C96 Ungapped 1700.0 - 0.454 86.1 Uncoated 190.0 16300.0 162.0 1.366" (34.70mm) 1.421" (36.10mm) 1.024" (26.00mm)
B65807N0040A001

B65807N0040A001

FERRITE CORE RM 40NH K1 2PCS

EPCOS - TDK Electronics

2,032
B65807N0040A001

Datasheet

RM6 Box Active RM RM 6 - 40 nH ±3% K1 Gapped 27.4 80 0.86 26.9 Uncoated 31.3 840.0 - 0.246" (6.25mm) 0.701" (17.90mm) 0.323" (8.20mm)
C055848A2

C055848A2

FERRITE CORE TOROID 32NH MPP

Magnetics, a division of Spang & Co.

1,331
C055848A2

Datasheet

- Bulk Active Toroid - 0.800" (20.32mm) 32 nH ±8% MPP Ungapped - 60 - 50.9 Coated 22.1 1.12 - 0.250" (6.35mm) - -
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